Relationship Between Parasitism Rates in Egg Traps and Natural egg Populations of Sunn-pest Eurygaster Integriceps Put
Some researchers have been used sunn-pest egg traps for estimating parasitism rates or population changes of its egg parasitoids (belonging to Scelionidae and Encyrtidae). However, quantitative relationships of these data to absolute field counts have not been studied. It is felt so a need for stand...
Main Authors: | , |
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Format: | Article |
Language: | fas |
Published: |
University of Tabriz
2013-02-01
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Series: | Journal of Agricultural Science and Sustainable Production |
Subjects: | |
Online Access: | http://sustainagriculture.tabrizu.ac.ir/article_831_a008a4736749771bb36f23bec1d5e63c.pdf |