ECOLOGICAL STUDY AND SUSCEPTIBILITY OF SOME PEAR VARITIES TO ATTACK BY Dysaphis reaumuri and Dysaphis pyri
The results of studying the effect of some Ecological factors and Ana and vestibella pear varities on Seasonal activity of leafroll aphid <em>Dysaphis reanmuri</em> and <em>Dysaphis pyri</em>. showed a significant effect on mean number of the two aphid species a ccording to t...
Main Authors: | Nazar M. Al-Mallah, Haitham M. Mohammed, Abdul Jabar K. AL. Obada |
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Format: | Article |
Language: | Arabic |
Published: |
College of Agriculture
2018-12-01
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Series: | Mesopotamia Journal of Agriculture |
Online Access: | https://magrj.mosuljournals.com/article_161561_3423b4cb27490ab5029710f4a9c2d1fa.pdf |
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