Determination of economic threshold for Lipaphis erysimi (Kaltenbach) on Indian mustard
Material type: TextPublication details: Ludhiana 1986Description: 72LSubject(s): DDC classification:- 633.84 G28D
Item type | Current library | Call number | Status | Date due | Barcode | |
---|---|---|---|---|---|---|
Theses/ Dissertation | Mohinder Singh Randhawa Library | 633.84 G28D (Browse shelf(Opens below)) | Not for loan | 139607 | ||
Theses/ Dissertation | Mohinder Singh Randhawa Library | 633.84 G28D (Browse shelf(Opens below)) | Not for loan | 139608 |
The aphid population in the untreated plots remained very low up to 9th January followed by a gradual increase reaching to peak incidents in third week of February A positive correlation between the aphid population and per cent plant-infestation indicate
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