Studies on the bionomics and control of the aphid Aphis affinis del Guercio on the Japanese Mint (Mentha arvensis Linn.)

By:

Dharam Paul Singh

Material type: Text

TextPublication details: Ludhiana PAU 1979Edition: PAUDescription: 28cm. 49, 6LSubject(s):

DDC classification:

T 632.752 D38S

Summary: The insect remained active in the field from September to April The young nymphs were dirty white in colour. In the second instar they became little grey. In the third instar adults stage they became blackish grey in colour. The duration of first. second

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Holdings
Item type	Current library	Call number	Status	Date due	Barcode
Theses/ Dissertation	Mohinder Singh Randhawa Library	T 632.752 D38S (Browse shelf(Opens below))	Not for loan		136022

The insect remained active in the field from September to April The young nymphs were dirty white in colour. In the second instar they became little grey. In the third instar adults stage they became blackish grey in colour. The duration of first. second

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