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...

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Bibliographic Details
Main Authors: Nazar M. Al-Mallah, Haitham M. Mohammed, Abdul Jabar K. AL. Obada
Format: Article
Language:Arabic
Published: College of Agriculture 2018-12-01
Series:Mesopotamia Journal of Agriculture
Online Access:https://magrj.mosuljournals.com/article_161561_3423b4cb27490ab5029710f4a9c2d1fa.pdf