ECOLOGICAL STUDY AND SUSCEPTIBILITY OF SOME APPLE VARITIES TO ATTACK BY Dysaphis reaumuri and Dysaphis pyri
The Results of studying the effect of some ecological factors and Ana and Vestibella apple varieties on seasonal activity of leafroll aphid Dysaphis reanmuri and Dysaphis pyri, showed a significant effect on mean number of the two aphid species a ccording to the season, apple variety and direction,...
Main Authors: | , , |
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Format: | Article |
Language: | Arabic |
Published: |
College of Agriculture
2013-07-01
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Series: | Mesopotamia Journal of Agriculture |
Subjects: | |
Online Access: | https://magrj.mosuljournals.com/article_81131_a0248b96d83f0e9d990f721def87cc2b.pdf |