Studies on resistance in cotton to the jassid, Amrasca devastans (Distant )

By:

BALRAJ Singh

Material type: Text

TextPublication details: Ludhiana P. A. U 1970Edition: COADescription: 52, xixLSubject(s):

DDC classification:

T 632.752 B18S

Summary: The desi cotton variety 231-R was found to be resistant. Among the American varieties 320-F was highly susceptible and J-129 and J-150 were least A lower population of nymphs on the 231-R was attributed to lower survival and prolonged nymphal stage and lo

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Holdings
Item type	Current library	Call number	Status	Date due	Barcode
Theses/ Dissertation	Mohinder Singh Randhawa Library	T 632.752 B18S (Browse shelf(Opens below))	Not for loan		35022
Theses/ Dissertation	Mohinder Singh Randhawa Library	T 632.752 B18S (Browse shelf(Opens below))	Not for loan		35023

The desi cotton variety 231-R was found to be resistant. Among the American varieties 320-F was highly susceptible and J-129 and J-150 were least A lower population of nymphs on the 231-R was attributed to lower survival and prolonged nymphal stage and lo

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