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Evaluación de dos técnicas de injertación en dos cultivares de sandía (Citrullus lanatus (Thunb.) Mansf.) sobre dos patrones comerciales (Lagenaria spp. Ser.; Cucurbita máxima x C. moschata)Corradini Santander, Fabio Alfonso January 2011 (has links)
Memoria para optar al título profesional de Ingeniero Agrónomo / Two grafting techniques, the hole insertion (or terminal) and one cotyledon (or slant)
grafting methods, were evaluated in two watermelon (Citrulluslamatus Thunb,) Mansf.)
cultivars grafted on two commercial roootstocks (Lagenaria spp. Ser. and
Cucurbitamaxima x C. moschata) through the survival of plants obtained 30 days following
grafting and under simulated commercial nursery conditions so as to determine which of
the techniques was more suitable for such conditions. A completely randomized design
with two treatments which included the above grafting methods was used. Four
independent experiments were carried out, each of them made up of a different rootstockcultivar
combination. The Delta and Santa Amalia cvs. were used as scions and a
Lagenaria spp. cultivar, known as Aurora, and a Cucurbitamaxima x C. moschata hybrid,
called Tetsukabuto, were used as rootstocks.
Mean survival rates for the four experiments were 58, 74, 60 and 36% for the plants grafted
with hole insertion and 3, 0, 2 and 5% for those grafted with the one cotyledon graft
technique. It was concluded that, for the conditions studied in the four experiments, plant
survival depends on the grafting technique used, the hole insertion technique being more
successful in the number of surviving plants. / Two grafting techniques, the hole insertion (or terminal) and one cotyledon (or slant)
grafting methods, were evaluated in two watermelon (Citrulluslamatus Thunb,) Mansf.)
cultivars grafted on two commercial roootstocks (Lagenaria spp. Ser. and
Cucurbitamaxima x C. moschata) through the survival of plants obtained 30 days following
grafting and under simulated commercial nursery conditions so as to determine which of
the techniques was more suitable for such conditions. A completely randomized design
with two treatments which included the above grafting methods was used. Four
independent experiments were carried out, each of them made up of a different rootstockcultivar
combination. The Delta and Santa Amalia cvs. were used as scions and a
Lagenaria spp. cultivar, known as Aurora, and a Cucurbitamaxima x C. moschata hybrid,
called Tetsukabuto, were used as rootstocks.
Mean survival rates for the four experiments were 58, 74, 60 and 36% for the plants grafted
with hole insertion and 3, 0, 2 and 5% for those grafted with the one cotyledon graft
technique. It was concluded that, for the conditions studied in the four experiments, plant
survival depends on the grafting technique used, the hole insertion technique being more
successful in the number of surviving plants.
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Efecto protector de la almendra de semillas de Cucurbita ficifolia Bouché (calabaza blanca) en el daño hepático inducido por paracetamol en ratones / Materia médica vegetalRosario León, Paul Herz January 2019 (has links)
Evalúa el efecto protector del consumo de la almendra de semillas de Cucurbita ficifolia Bouché (calabaza blanca) inducido a daño hepático por paracetamol en ratones. El estudio es experimental puro, con posprueba y grupo control. Se realizó en el Centro de investigación de Bioquímica y Nutrición, Facultad de Medicina Humana, Universidad Nacional Mayor de San Marcos, Lima, Perú. Como material biológico se utilizaron almendras de semilla de Cucurbita ficifolia Bouché y 35 ratones machos Mus musculus de la cepa Balb/c, de dos meses de edad (27,2 g. ± 3,2), que fueron divididos en 5 grupos (n=7), los cuales recibieron tratamiento por 10 días, al sexto día de tratamiento se les suministró paracetamol 300 mg/kg (excepto al G I): G I y G II, suero fisiológico (10 mL/kg); G III, silimarina (70 mg/kg); los G IV y V, suspensión de almendra 400 mg/kg y 800 mg/kg de Cucurbita ficifolia Bouché, respectivamente. Las principales medidas de resultados fueron índice hepático, lipoperoxidación, glutatión reducido (GSH), GSH total, relación GSH/GSSG y estudio histológico. Se encontró que la suspensión de almendra de semillas de Cucurbita ficifolia Bouché (calabaza blanca) incrementó los niveles del GSH y la relación GSH/GSSG, existe una menor tendencia en los niveles de lipoperoxidación e índice hepático. A nivel histológico, evidencia regeneración del tejido hepático. A partir de estos resultados concluye que el consumo de almendra de semillas de Cucurbita ficifolia Bouché (calabaza blanca) presenta efecto hepatoprotector frente a la toxicidad por paracetamol en ratones. / Tesis
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