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Yield Loss in Mulberry Due to Sucking Pest Whitefly, Dialeuropora decempuncta Quaintance and Baker (Homoptera: Aleyrodidae)
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  • Yield Loss in Mulberry Due to Sucking Pest Whitefly, Dialeuropora decempuncta Quaintance and Baker (Homoptera: Aleyrodidae)
저자명
Bandyopadhyay. U.K.,Kumar. M.V.Santha,Das. K.K.,Saratchandra. B.
간행물명
International journal of industrial entomology
권/호정보
2001년|2권 1호|pp.75-78 (4 pages)
발행정보
한국잠사학회
파일정보
정기간행물|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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The whitefly, Dialeuropora decempuncta Quaintance and Baker (Homoptera : Aleyrodidae) causing considerable damage to mulberry, Morus alba. Crop loss caused by the whitefly was estimated in mulberry. Quantitative yield loss was estimated on the basis of harvest data from both sprayed and unsprayed plots. Data on pest incidence has been recorded at weekly intervals in both sprayed and unsprayed plots from 30 th day of plant age till harvesting i.e., 60 days after pruning in August October season. An attempt has been made to establish a relationship between whitefly population and percentage of crop loss due to it. Percentage of crop loss due to whitefly has got a linear relationship with the whitefly population. An initial population of 24 adults/top leaf would be able to cause 24% loss (l,630 Kg leaf/ha ) in a period of 30 days. Economic analysis postulates that application of pesticide can stove a net amount of 1,630 Kg leaf/ha which is sufficient to produce 67.65 Kg of additional multivoltine cocoons. This determines the cost/benefit ratio which will enable to workout the economics of management practices.