Made available in DSpace on 2017-07-10T17:36:50Z (GMT). No. of bitstreams: 1 Andre_Luiz_Piva.pdf: 811588 bytes, checksum: 97234f5dc9e691064476da1dcbc72daa (MD5) Previous issue date: 2013-02-26 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / The main methods of obtaining quality seedlings of cape gooseberry involve propagation by seed, softwood and micropropagation, being one of the most important factors for the establishment of new orchards. Given the above, the aim of the present study was to evaluate the soaking of seeds, germination temperature and asexual propagation of cape gooseberry, the production of quality seedlings. The experiments were conducted during the period from October/2011 to May/2012, the Station of Horticulture and Biological Control "Mário César Lopes," at the State University of West Paraná, Marechal Cândido Rondon Brazil. The experimental design used in the experiment with seeds was randomized with the following treatments 15, 20, 25, 30, 35 and 40 °C. The absorption curve was performed using three methods; paper soaked in water, seed submerged in water and paper roll chamber at 30 °C for 72 hours). In asexual propagation experiments used the experimental design in randomized blocks, factorial 3x3 (cutting length of 5, 10 and 15 cm x three species of cape gooseberry, Physalis angulate, P. peruviana and P. pubescens) and a 3x3 factorial (hardwood cuttings, semi-woody and herbaceous x three species of cape gooseberry, Physalis angulata, P. peruviana and P. pubescens), with four replications and 10 cuttings per replicate. At 60 days after implantation of the experiments were carried out assessments phytotechnical. To seeds of P. angulata, are considered optimum temperature for germination in the range 22 to 32 °C, minimum and maximum to 15 °C and 35 °C respectively. Seed imbibition present cape gooseberry raised to 10 ° hour, and early germination from the 48th hour. The size and type of cuttings affect the asexual propagation of cape gooseberry. Cuttings of 15 cm are suitable for the production of seedlings propagated asexually cape gooseberry. Hardwood cuttings show better results in the propagation of cape gooseberry / Os principais métodos de obtenção de mudas de qualidade de fisális envolvem a propagação por sementes, estacas herbáceas e micropropagação, sendo um dos fatores mais importantes para a implantação de novos pomares. Diante do exposto, objetivou-se com o presente trabalho avaliar a embebição de sementes, temperatura na germinação e propagação assexual de fisális, na produção de mudas de qualidade. Os experimentos foram conduzidos durante o período de outubro/2011 a maio/2012, na Estação de Horticultura e Controle Biológico Professor Mário César Lopes , da Universidade Estadual do Oeste do Paraná (Unioeste), Campus Marechal Cândido Rondon, PR. O delineamento experimental utilizado no experimento com sementes foi inteiramente casualizado, com os seguintes tratamentos 15, 20, 25, 30, 35 e 40°C. A curva de embebição foi realizada empregando-se três métodos, sendo papel embebido em água, semente submersa em água e rolo de papel em BOD a 30°C por 72 horas). Nos experimentos de propagação assexuada utilizou-se o delineamento experimental em blocos ao acaso, fatorial 3x3 (comprimento de estacas de 5, 10 e 15 cm x três espécies de fisális, sendo Physalis angulata, P. peruviana e P. pubescens) e fatorial 3x3 (estacas lenhosas, semi-lenhosas e herbáceas x três espécies de fisális, sendo Physalis angulata, P. peruviana e P. pubescens), contendo quatro repetições e 10 estacas por repetição. Aos 60 dias após a implantação dos experimentos, realizaram-se as avaliações fitotécnicas. Para sementes de P. angulata, são consideradas como temperatura ótima para a germinação na faixa de 22 a 32°C, mínima e máxima como 15°C e 35°C respectivamente. Sementes de fisális apresentam embebição elevada até à 10° hora, e início de germinação a partir da 48° hora. O tamanho e o tipo das estacas afetam a propagação assexual de fisális. Estacas de 15 cm são apropriadas para a produção de mudas de fisális propagadas assexuadamente. Estacas lenhosas apresentam melhores resultados na propagação vegetativa de fisális

Sciadopitys verticillata was subjected to three propagation treatments designed to inhibit coagulation of its latex-like sap at the cut ends of the stem cuttings. Twenty-four hour soaking in water prior to rooting hormone application significantly enhanced production of adventitious roots. Old wood stem cuttings from shade-grown trees rooted at higher proportions than stem cuttings collected from sun-grown trees. Height, age, and place of origin of the source trees were not important factors in successful rooting. Antibacterial activity against some human pathogens and soil bacterial species was detected in latex application trials but the antibiotic activity was not related to the bacterial Gram reaction. The latex-like sap inhibited none of four plant pathogens tested. A suspension of the water insoluble latex-like sap of S. verticillata had a pH of 5.8. Antibacterial activity of S. verticillata sap was heat stable, which indicates the activity was not protein-based.

Numerous wild bigtooth maple (Acer grandidentatum Nutt.) specimens in northern Utah have potential for use in landscapes, but improvements in selection and propagation need to be developed before these specimens can be introduced to the green industry. Criteria-based evaluations centered on aesthetics, function, and fall color were performed to objectively select superior bigtooth maple specimens. Out of 56 trees initially selected for red fall color, six were selected for propagation based on all three criteria. Five of the six selected trees yielded viable bud take via chip budding. Optimum time for chip budding propagation was determined by four experiments. Coppiced seedling rootstocks were used with the "return budding" of excised buds as scions to parent stock (2006) and grafting buds from wild trees as scions (2007 and 2009). A fourth experiment examined chip budding of wild scions on 2-year-old, containerized, seedling rootstocks. The general time period identified as the optimum time for budding bigtooth maple was July through mid-August. Propagation by cuttings was also explored as an alternative production method among bigtooth maple selections. Softwood cuttings were taken from six selections of wild bigtooth maples grafted on seedling rootstocks growing in a coppiced stool bed environment. Open-ended, black, velour, drawstring bags were placed over the end of pruned shoots at bud swell to initiate etiolation of the cuttings. The bags were left in place during shoot elongation to insure etiolation of the shoot base. Cuttings were harvested after 3 to 4 weeks, wounded, dipped in auxin, and placed on heating mats under an intermittent mist system. Rooting was evaluated on the cuttings after four weeks. Results showed the effects of etiolation to significantly increase the percentage of rooted cuttings and the number of roots per cutting.

Magistro darbe tiriama žėlimo ypatumai grynuose pušynuose po atvejinių kirtimų Norulių girininkijoje. Darbo objektas - Druskininkų miškų urėdijos Norulių girininkijoje 2005 – 2012 metais neplynaisiais (atvejiniais) kirtimais iškirstos brandžių pušynų kirtavietės. Darbo tikslas - ištirti žėlimo ypatumus atvejinių kirtimų pušynų kirtavietėse nederlingose augavietėse. Darbo metodai – tyrimai vykdyti 1 – 6 metų Norulių girininkijos atvejinių kirtimų kirtavietėse, kuriose buvo tolygiai išdėstytos apskaitos aikštelės sąlyginai – vienodais atstumais sklypų įstrižainių kryptimis, siekiant atlikti žėlinių apskaitą ir įvertinti jų kokybę. Kadangi mūsų vertinami žėliniai buvo reti arba vidutinio tankumo - atitinkamai apskaitos aikštelės buvo imamos po 20 m2 arba 10 m2 . Kiekvienoje apskaitos aikštelėje atlikti šie vertinimai: savaiminkų rūšis ir gausa, savaiminukų gyvybingumas, pažeidimai ir galimos priežastys, žolinės dangos agresyvumo laipsnis. Darbo rezultatai – tirtose 57 kirtavietėse vidutinis žėlinių tankis buvo 860 vnt./ha. Išretintose pušynų kirtavietėse Na augavietėje vyrauja reti beržo ir pušies žėliniai, kurių vidutinis tankis buvo 670 vnt./ha. Nb augavietėje vidutinis žėlinių tankis 1050 vnt./ha. Pušies žėlinių tankis didėjant kirtavietės amžiui kinta nežymiai, o beržo tankis – didėja. Žėlimo skatinimui mineralizuojant dirvą plūgu PKL – 70, pušis intensyviau (60 %) želia vagos viršuje Na augavietėje. Papildomas pušies sėjimas Na augavietėje 50 % padidina žėlinių tankį, Nb... [toliau žr. visą tekstą] / The Master’s thesis analyses peculiarities of pure pine forests after occasional deforestation cases in Noruliai forestry district. Object of the thesis – non smooth cutting zones of mature pines appeared after occasional cuttings in Druskininkai forestry region, Noruliai forestry district in the year 2005 – 2012. Aim of the thesis – to analyse growth peculiarities in the zones of occasional pine deforestation zones in the areas of poor soil. Methods used – researches were performed in the occasional deforestation zones, dating the period of 1 – 6 years, in Noruliai forestry district. Each non smooth cutting area was divided into equal distances in diagonal directions while trying to do accounting as well as to evaluate their quality. As our considered growing areas were gappy or of medium density, the sites were chosen of 20 m2 or 10 m2. The following assessments were performed in each of the recording sites: spontaneous type and their abundance, vitality of spontaneous type, the level of aggression while speaking about grass cover. Results of the thesis – the average growth density in the researched 57 cutting zones was 860 unit/ha. In the researched pine cutting zones, Na growing zones, the most common turned to be birches and pines. Their average density was 670 unit/ha. The average growing density in Nb growing zones turned to be 1050 unit/ha. The density of pine sprouts while enlarging cutting zones changes marginally when the time goes by, but the density of birches... [to full text]

Magistro darbe įvertintos Varėnos rajone Na augavietėje augančių pušynų atsikūrimo galimybės praėjus 2-7 metams po atvejinių kirtimų pirmo atvejo. Darbo objektas – atvejiniais kirtimais išretinti 0,6-0,7 skalsumo pušynai Varėnos miškų urėdijos Zervynų, Ūlos, Marcinkonių ir Musteikos girininkijose. Į apskaitą pateko 7 sklypai, kurių plotas svyravo nuo 0,8 iki 22,7 hektarų. Pušies medynų amžius buvo 100-130 metų, bonitetas II-IV. Darbo tikslas – įvertinti pušynų žėlimo galimybes Varėnos miškų urėdijos pušies medynuose, kirstuose supaprastintais dviejų atvejų atvejiniais kirtimais. Darbo metodai. Matavimai buvo atliekami sistemiškai išdėstytose kvadratinėse 2x2 m apskaitos aikštelėse. Iš viso 7-iuose išretintuose pušies medynuose buvo išskirta 220 apskaitos aikštelių. Kiekvienoje tyrimo aikštelėje buvo nustatomas perspektyvių ir neperspektyvių 2-7 metų savaiminukų skaičius, miško paklotės storis, žolinės dangos agresyvumas žėlimui ir vyraujančios rūšys, trako rūšinė sudėtis ir kiekis aikštelėje, kitų medžių rūšių (B) žėlinių skaičius. Taip pat kiekviename tirtame sklype nustatytas paliktų priedangos medžių skaičius. Darbo rezultatai. Du tirti prieš 2-3 metus išretinti pušies medynai laikomi neatkurtais, juose perspektyvių pušies savaiminukų tankis siekė 1,1-1,4 tūkst. vnt./ha. Kiti trys prieš 4-5 metus išretinti pušies medynai laikomi atkurtais patenkinamai, juose perspektyvių pušies žėlinių skaičius buvo 3,2-3,6 tūkst. vnt./ha. Likę du prieš 6-7 metus išretinti medynai... [toliau žr. visą tekstą] / In this Master's thesis were determined pine's forest capability to restore naturally in mineral soils of normal humidity in Varena district after shelterwood cuttings during 2-7 years period. Also shelterwood trees density, soil scarification, litter thickness and herbaceous plants cover influence to pine's regeneration were estimated. Object of work – pine's forests in seven different sites of Varena district. These pine's forests occupied from 0,8 to 22,7 hectars, were 100-130 years old, 0,6-0,7 stands density and II-IV bonitete. Aim of work – to estimate pine's forests capability to restore naturally in Varena district after shelterwood cuttings. Methods of work. The measurements were performed in 2 to 2 meters accounting fields. In each field perspective and nonperspective pine's seedlings, litter thickness, herbaceous plant's species, undergrowth density and other tree species seedlings were determined. Shelterwood trees density in all pine's forests were determined too. Results. Two pine's forests were not regenerated when 2-3 years period after shelterwood cuttings have passed. In these forests the density of perspective pine's seedlings were 1100-1400 units per ha. Other three pine's forests were regenerated sufficiently when 4-5 years period after shelterwood cuttings have passed. In these forests the density of perspective pine's seedlings were 3200-3600 units per ha. Last two pine's forests were regenerated well when 6-7 years period after shelterwood cuttings... [to full text]

Lietuvoje dekoratyviųjų želdinių poreikio augimas stebimas kasmet. Kartu su augančia rinka daugėja ir įmonių užsiimančių sodinukų prekyba. Deja, jų auginimas Lietuvoje yra kur kas mažiau populiarus. Nežiūrint to, kad pirkėjas dažnai mieliau renkasi vietoje išaugintus sodmenis, dauguma medelynų negali pasiūlyti pakankamos augalų įvairovės. Tokia situacija susidaro dėl gana sudėtingų aplinkybių, susiformuojančių šiame versle. Viena priežasčių yra augalų įšaknydijimui gana nepalankios klimato sąlygos ir brangūs augimo reguliatoriai. Šio darbo tikslas: įvertinti augimo reguliatoriaus „POKON“ poveikį erškėtinių, sausmedinių ir raugerškinių šeimų augalų žaliųjų auginių įsišaknidijimui. Tikslui pasiekti buvo suformuoti tokie uždaviniai: išanalizuoti medelynų veiklą, apibendrinti augalų šaknijimąsi lemiančius veiksnius bei įvertinti augimo reguliatoriaus „POKON“ veiksmingumą pasirinktų augalų šeimų žaliųjų auginių rizogenezei. Eksperimentai buvo atlikti Kaišiadorių rajone, Kalniškių kaime per laikotarpį nuo 2010 birželio 17 dienos iki 2010 rugpjūčio 17 dienos. Vertinant auginių įsišaknijimo potencialą, buvo skaičiuojamas auginių įsišaknijimo procentas, išaugusių šaknų bei naujų ūglių skaičius. Apibendrinus tyrimo rezultatus, padarytos tokios išvados: 1. Bakalauro darbe atliktais eksperimentais parodyta, kad augimo reguliatorius „POKON“ gali būti naudojamos augalų rizogenezei inicijuoti. 2. Nustatytas teigimas „POKON“ poveikis šaknų augimui žaliaisiais auginiais dauginant... [toliau žr. visą tekstą] / In Lithuania ornamental plants demand is growing every year and it is monitored annually. Coupled with the growing of market, the same time is growing and plants marketing. Unfortunately, their production in Lithuania is much less popular in spite of the fact that buyers often prefer to shop locally harvested saplings, most nurseries can not offer a sufficient variety of plants. This situation arises for quite difficult circumstances in this business. One of the reason is that plant roots are growing bad in this climatic conditions, plus expensive growing regulators. The point of this work is: to evaluate the growing regulator „POKON“ impact for rose, honeysuckles and barberry families for green cuttings of plants. In order to achieve the following objectives were set to analyze: the nursery operations, plant roots growing summarize and assess the determinants of „POKON“ the effectiveness for selected plant families. The experiments were carried out at Kaišiadorys district, Kalniškės village during the period from 2010 June 17 until 2010 August 17. The assessment of the cuttings roots potential, was calculated by the percentage increase in the roots and new shoots. Summarizing the results, was made following conclusions: 1. Undergraduate work performed experiments showed that the growing regulator „POKON“ can be used to initiate plant rhizogenesis. 2. Set assertion of „POKON“ for root cuttings by multiplying the sturgeon, honeysuckles and barberry families of plants. 3... [to full text]

Diss. (sammanfattning) Uppsala : Sveriges lantbruksuniv., 2003. / Härtill 5 uppsatser.

Copies no. 3007841664 and 3007841665 are photocopies of the original. / Thesis (MScAgric)-- University of Stellenbosch, 2003. / ENGLISH ABSTRACT: Buchu (Agathosma betulina and A. crenulata) are grown commercially as an aromatic crop and are endemic to the Western Cape of South Africa. Poor rooting of cuttings have limited the development of superior clones. Under standard mist bed conditions terminal, sub-terminal or basal stem cuttings were taken from March to August. When not treated with an auxin, rooting percentages of between 20 and 25 were obtained. Rooting percentages increased to between 40 and 45 after treatment with 500-1000 ppm indolebutyric acid (lBA). Substituting lBA with naphthaleneacetic acid (NAA) did not improve rooting. There was a tendency for cuttings with fewer than four leaf pairs to give lower rooting percentages. Plants of Agathosma betulina x A. crenulata, grown in Paarl, and A. betulina, grown in Piketberg, were used as source plants for making cuttings. Paarl plants were shaded with 80 percent shade and Piketberg plants with 60 or 80 percent shade respectively from February to October 2002. Plants in full sun served as a control. Plants were pruned back initially in February and then two months before samples were taken in March, June, August and October at both locations. New shoots were used as cuttings. Terminal cuttings for rooting and for carbohydrate analyses were collected on four different dates (March, June, August and October). Cuttings were treated with 500 ppm indolebuteric acid (lBA) and placed in misting beds with bottom heating (18-25°C) for a period of three months. Shading reduced rooting of cuttings from the Paarl plants. However, it did not significantly increase rooting of cuttings taken from Piketberg plants. Rooting percentage was the highest in August (43%) for cuttings from sun grown plants in Paarl. No consistent relationship between, respectively, dry mass or carbohydrate content of cuttings and rooting could be established. Terminal current years' growth, taken from Agathosma crenulata x A. betulina (hybrid) softwood cuttings, collected in January 2002, were extracted with methanol and fractioned by thin layer chromatography (Silica gel) in isopropanol: acetic acid: water (4: 1:1 v/v). The chromatographs were divided in ten fractions and were bio-assayed for a rooting co-factor with the mung bean rooting test. Extracts from buchu cuttings showed significant activity at the Rf values of co-factor 3. Co-factors 1,2 and 4 do not seem to be present in significant quantities. However, co-factors with Rf values different from previous reported values were present in significant quantities. No inhibition was found in buchu. In fact, all Rf values stimulated rooting. / AFRIKAANSE OPSOMMING: Boegoe (Agathosma betulina x A. crenulata) word kommersieël verbon as 'n aromatiese gewas en is endemies tot die Wes-Kaap. Die ontwikelling van superieure klonale materiaal word beperk deur swakbeworteling. Terminale, sub-terminale en basale steggies is gesnyonder standaard misbed toestande van Maart tot Augustus. Beworteling was tussen 20 en 25 persent as geen ouksien gebruik word nie. As indolebottersuur (IBS) gebruik word tussen 500-1000 dpm, verhoog die bewortelingspersentasie tot tussen 40 en 45 persent. Die gebruik van naftaleen asynsuur (NAS) in plaas van IBS het nie beworteling verbeter nie. Daar was a tendens dat steggies wat minder as vier blaarpare gehad het 'n verlaging in bewortelingspersentasies gehad het. Plante van Paarl, A. betulina x A. crenulata, en Piketberg, A. betulina, is gebruik as plantmateriaal vir steggies. Plante in die Paarl was onder 80 persent skadu geplaas en plante in Piketberg onder 60 en 80 persent skadu van Februarie tot Oktober 2002. Plante in vol son was as 'n kontrole gebruik. Plante was eers in Februarie teruggesny en dan weer twee mande voor monsters geneem is. Die monsters is in Maart, Junie, Augustus en Oktober geneem in beide liggings. Terminale steggies is vier keer ingesamel (Maart, Junie, Augustus en Oktober) vir beworteling en koolhidraat analises. Die steggies is met 500 dpm IBS behandel. Daarna is die steggies vir drie maande in die misbed geplaas met bodem-verhitting (18- 25°C). Dit is gevind dat die gebruik van skadu die beworteling in Paarl verminder het alhoewel die beworteling in Piketberg nie beduidend beinvloed is nie. Die hoogste bewortelingspresentasies is waargeneem in Augustus (43%) in Paarl van plante wat in vol son was. Geen verband tussen onderskeidelik die droe massa of koolhidraat inhoud en beworteling kon gevind word nie. Terminale steggies van dieselfte jaar se groei van Agathosma betulina x A. crenulata (hibried) is in Januarie 2002 ingesamel. Die materiaal is geëkstraheer en gefraksioneer deur dunlaag kromatografie in isopropanol: asynsuur: water (4: 1:1 v/v). Die kromograaf is in 10 fraksies verdeel. Die fraksies was bioassaieer VIr beworteling ko-faktore met die mungboontjie bewortelingstoets. Die ekstrakte van boegoe het beduidende aktiwiteit by die Rf waardes van ko-faktor 3 getoon. Ko-faktore 1, 2 en 4 is nie in groot genoeg hoeveelhede waargeneem nie. Ko-faktore, wat nie voorheen gevind is nie, is waargeneem in beduidende hoeveelhede. Geen inhibitors is in boegoe gevind nie en al die getoetste ko-faktore het beworteling gestimuleer.

O Pinus elliotti representa o principal produtor atual de exploração de resina no setor florestal brasileiro. Recentemente, plantios de P. elliottii X P. caribaea vêm se destacando, principalmente, pela sua maior produtividade em biomassa. Além disto, a resina do híbrido apresenta características químicas semelhantes aos seus parentais. Porém, poucas são as informações quanto a estaquia de espécies do gênero Pinus, e se focarmos na propagação de árvores adultas, tal carência é ainda maior, principalmente ao se considerar a dificuldade de rejuvenescimento/revigoramento do material genético. Neste contexto, o presente trabalho teve como objetivo geral avaliar o enraizamento adventício do P. elliottii var. elliottii e P. elliottii X P. caribaea adultos. Para tanto, o trabalho foi dividido em três diferentes estudos. O primeiro (Capítulo 2) avaliou o enraizamento adventício de estacas das matrizes adultas de P. elliottii e P. elliottii X P. caribaea no 5° estágio de enxertia seriada com e sem podas sucessivas, sob ação do AIB, talco com fungicida Cerconil® e terebentina. O segundo (Capítulo 3) foi baseado na avaliação do enraizamento adventício de estacas no 2° estágio de enxertia seriada de uma matriz adulta de P. elliottii var. elliottii submetida a um ano de podas sucessivas, sob ação do AIB, terebentina e paclobutrazol. Por sua vez, o terceiro estudo (Capítulo 4) consistiu na avaliação do enraizamento adventício de braquiblastos e brotos de duas matrizes adulta de P. elliottii e P. elliottii X Pinus caribaea, sob ação do AIB e paclobutrazol. Os resultados permitiram inferir que a sobrevivência e o enraizamento adventício aos diferentes tratamentos variaram de acordo com o genótipo e com as características morfológicas das estacas (grau de lignificação e tipo de estacas, brotos e braquiblastos). De maneira geral, os resultados evidenciaram a atuação das enxertias seriadas e das podas sucessivas na restauração da competência rizogênica das estacas dos brotos das matrizes adultas de P. elliottii e P. elliottii X P. caribaea, promovido pelo rejuvenescimento/ revigoramento parcial das matrizes. Além disto, a estaquia de braquiblastos mostrou ser uma ferramenta promissora para a propagação de espécies do gênero Pinus. / Pinus elliottii is the main current resin extraction producer in the Brazilian forest sector. Recently, plantations of P. elliottii X P. caribaea play a great importance in the production systems mainly by its high biomass productivity. In addition, the hybrid resin has chemical characteristics similar to their parents. However, there is little information on obtaining clones, and considering the propagation of mature trees, this lack of information is even greater, mainly concerning the difficulty to achieve the rejuvenation/ reinvigoration of the genetic material. Based on theses information, the present work was aimed to evaluate the adventitious rooting of mature P. elliottii var. elliottii and P. elliottii X P. caribaea cuttings. Therefore, the work was divided into three basic studies. The first study (Chapter 2) was based on the evaluation of adventitious rooting of mature P. elliottii and P. elliottii X caribaea cuttings of grafts up five sequential grafting with and without pruning, under the action of AIB, talc with fungicide and turpentine. The second (Chapter 3) was based on the evaluation of adventitious rooting of mature P. elliottii cuttings of grafts up two sequential grafting with pruning, under the action of IBA, paclobutrazol and turpentine. The third (Chapter 4) evaluated the adventitious rooting of brachyblast and shoots of mature P. elliottii and P. elliottii X caribaea cuttings, under the action of IBA and paclobutrazol. Results showed that the cutting survival and root growth, under the action of different treatments, varied according to the genotype and morphological characteristics of the material (cutting lignifications and type, brachyblast or shoot). Overall, our results showed the performance of serial grafting and pruning on the restoration of rooting competence in P. elliottii and P. elliottii X P. caribaea stem cuttings, promoted by the rejuvenation of trees. Moreover, the cutting of brachyblast can be a promising tool for the propagation of Pinus species.

?rea de concentra??o: Produ??o vegetal. / Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2017-01-03T16:10:54Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) debora_cintia_santos_avelar.pdf: 1075322 bytes, checksum: 956aee85f03869781bc0c12ae661e4f7 (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2017-01-31T16:25:33Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) debora_cintia_santos_avelar.pdf: 1075322 bytes, checksum: 956aee85f03869781bc0c12ae661e4f7 (MD5) / Made available in DSpace on 2017-01-31T16:25:33Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) debora_cintia_santos_avelar.pdf: 1075322 bytes, checksum: 956aee85f03869781bc0c12ae661e4f7 (MD5) Previous issue date: 2016 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / A determina??o da dose de inoculante ? essencial para a obten??o de benef?cios da utiliza??o de fungos ectomicorr?zicos (FEM) em mudas de eucalipto. O objetivo deste estudo foi avaliar a melhor dose de inoculante miceliano de isolados de Pisolithus sp., encapsulados em gel de alginato de c?lcio, visando a promo??o da coloniza??o, nutri??o e do crescimento das mudas de clones de eucalipto em viveiro comercial. Em experimentos independentes e utilizando aduba??o fosfatada reduzida, foram produzidas mudas de dois clones de eucalipto (AEC 2034 e AEC 2233) inoculados com 9, 18 e 36 esferas de inoculante miceliano dos isolados f?ngicos D17, D216, D5 e D95 e um tratamento N?o-inoculado (fatorial 3x5). Al?m disso, foram feitos mais dois tratamentos adicionais com (Controle) e sem (Comercial) redu??o da aduba??o fosfatada do substrato e sem adi??o dos inoculantes. A dose de 36 esferas de inoculante, em geral, promoveu maiores ganhos para as mudas de eucalipto, como maior coloniza??o, massa seca da parte a?rea (MSPA) e de ra?zes (MSR) e teores de K, sendo algumas vezes maior que nas mudas do Controle e Comercial. A maior altura da parte a?rea e di?metro do coleto foram observados com o uso de 18 esferas. A coloniza??o ectomicorr?zica foi maior nas mudas inoculadas e considerada m?dia para os dois clones. A inocula??o pr?via nos dois clones n?o promoveu aumento nos teores de P em rela??o ao Comercial, no entanto para o clone AEC 2233 com a utiliza??o do D216, houve aumento nos teores de P em rela??o ao N?o-inoculado, sendo este isolado o mesmo que proporcionou uma das maiores porcentagens de coloniza??o, contribuindo para maior absor??o desse nutriente. Em rela??o aos isolados, a inocula??o com o D17 em geral aumentou a sobreviv?ncia, altura, MSPA, MSR e teores de K no AEC 2034 e a altura e di?metro no AEC 2233, mas isto foi dependente da dose e do clone de eucalipto. A dose de 18 esferas foi mais apropriada, pois, na maioria dos casos, os maiores benef?cios como sobreviv?ncia, altura, di?metro, MSPA, MSR, coloniza??o, teores de N e K foram obtidos com a adi??o de 18 ou mais esferas por mini-estaca e, em alguns casos, os par?metros altura e coloniza??o foram reduzidos nas maiores doses. O isolado D17 ? promissor para uso em programas de micorriza??o controlada em viveiros comerciais de mudas clonais de eucalipto e a dose de 18 esferas por mini-estaca ? a mais recomendada. / Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Produ??o Vegetal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2016. / The determination of the inoculum dose is essential for obtaining the benefits from the utilization of ectomycorrhizal fungi (EMF) in eucalypt saplings. The aim of this study was to evaluate the best dose of inoculum consists of mycelium from isolates Pisolithus sp., encapsulated in calcium alginate gel, aiming at promoting the colonization, nutrition and growth of the eucalypt rooted cuttings in commercial nursery. In independent experiments and using reduced phosphorus fertilization, were produced rooted cuttings from two eucalypts clones (AEC 2034 e AEC 2233) inoculated with 9, 8 and 36 beads of inoculum from fungal isolates D17, D216, D5 e D95 and one Non-inoculated treatment (factorial 3x5). Furthermore, two more additional treatments were performed with (Control) and without (Commercial) reduction of phosphorus fertilization of the substrate and without the addition of the inoculum.The dose of 36 inoculum beads, in general, has promoted higher benefits for the saplings, such as greater colonization, dry mass of shoot (DMS) and of roots (DMR) and K concentrations, sometimes being higher than in the saplings from Control and Commercial. The greater height of the shoot and collar diameter were observed with the use of 18 beads of inoculum. The ectomycorrhizal colonization was higher in inoculated saplings and considered average for the two clones. The previous inoculation in both clones did not promote an increase in P concentrations in relation to Commercial, however for the AEC 2233 clone with the utilization of D216, there was an increase in the P concentrations in relation to Non-inoculated, this being the same isolate that provided one of the greatest percentages of colonization, contributing to a higher absorption of this nutrient. Regarding the isolates, the inoculation with D17 in general increased the survival, height, DMS, DMR and K concentrations in AEC 2034, and height and diameter in AEC 2233, but this was dependent on the dose and on the eucalypt clone. The dose of 18 beads of inoculum was most appropriate, because in most cases, the greatest benefits as survival, height, diameter, DMS, DMR, colonization, N and K concentrations were obtained with addition of 18 or more beads of inoculum by mini-cutting and, in some cases, the parameters height and colonization were reduced with the highest doses. The isolate D17 is promising for its use in controlled mycorrization programs in commercial nurseries of eucalypt rooted cuttings and the dose of 18 beads by mini-cutting is the most recommended.