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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

CONTROL OF STRESS SPOT IN SOUTHERN ARIZONA APPLES.

Durazo, Jose Uldarico. January 1984 (has links)
No description available.
12

The recognition of biotypes of the woolly aphid, Erisoma lanigerum(Hausmann), in South Australia by their differential ability to colonise varieties of apple rootstock, and an investigation of some possible factors in the susceptibility of varieties to these insects

Sen Gupta, Gokul Chandra January 1969 (has links)
xiv, 253 leaves : ill. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Thesis (Ph.D.) from the Dept. of Entomology, University of Adelaide, 1971
13

Opname van kalsium-45 deur appelbome by verskillende vogpeile en die induksie van bitterpit

Hanekom, Alwyn Nicolaas 25 September 2014 (has links)
Ph.D. (Botany) / Please refer to full text to view abstract
14

Effect of injected antiviral compounds on apple mosaic and other diseases of apple trees.

Cheplick, Susan 01 January 1982 (has links) (PDF)
No description available.
15

The biology and dynamics of Lithocolletis Blancardella Fabr., on apple in Quebec.

Pottinger, Robert Peter. January 1964 (has links)
Animal population ecology has become a rapidly expanding natural science over the past decade. This trend is the result of many interacting factors, not least among them being; the maturation of ecology from a more or less descriptive and a priori science to the beginnings of a quantitative, deductive-inductive approach; and, the need for a better understanding of the effect of pesticides and biological agents on the trend of pest populations. Such knowledge is almost completely lacking, although the work in Canada of R.F. Morris, E.J. LeRoux and their associates forms the basis of such a need. Obviously any quantitative study aimed at understanding the dynamics of any animal population, and hence the causes that account for changes in the rise and fall of such a population, must be a valuable addition to knowledge on this subject. [...]
16

The biology and dynamics of the oystershell scale, Lepidosaphes Ulmi (L.) (Homoptera: Coccidae), on apple in Quebec.

Samarasinghe, Srimathie. January 1965 (has links)
The quantification of population and mortality data for insect pests of apple is necessary if we are to gain fundamental insight in the dynamics of insect populations of the orchard ecosystem. The need to quantify has recently been emphasized (LeRoux, 1964a; 1964b) and the greater application, practical and scientific, or the quantitative results obtained for agricultural and forest insect pests has been demonstrated (LeRoux et al., 1963). [...]
17

Aspects of the biology of Tetranychus urticae (Koch) : with special reference to apples in the Stanthorpe district of Queensland.

Bengston, Mervyn. Unknown Date (has links)
No description available.
18

Opname en metabolisme van kalsium deur die appelvrug met betrekking tot die voorkoms van bitterpit

Rousseau, Gabriel Gideon 25 September 2014 (has links)
D.Sc. (Botany) / Please refer to full text to view abstract
19

The biology and dynamics of the oystershell scale, Lepidosaphes Ulmi (L.) (Homoptera: Coccidae), on apple in Quebec.

Samarasinghe, Srimathie. January 1965 (has links)
No description available.
20

The biology and dynamics of Lithocolletis Blancardella Fabr., on apple in Quebec.

Pottinger, Robert Peter. January 1964 (has links)
No description available.

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