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STUDIES ON BIOLOGICAL PARAMETERS OF BROWN PLANTHOPPER, NILAPARVATA LUGENS (STAL) ON RICE IN SCREEN HOUSE

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Title STUDIES ON BIOLOGICAL PARAMETERS OF BROWN PLANTHOPPER, NILAPARVATA LUGENS (STAL) ON RICE IN SCREEN HOUSE
Not Available
 
Creator A.S. TETARWAL
LAKHI RAM
M. K. JAT
S. KUMAR
 
Subject brown planthopper brachypleros
hatchability
macropterous
oviposition
 
Description Not Available
An experiment on biology of brown planthopper (BFR) was carried out in the screen house Choudhary Charan Singh Haryana Agricultural University Rice Research Station, Kaul. Kaithal haryana during Khanf 2012 The maximum (89.35%) eggs were laid on leaf sheath of plant followed by (7.15%) and stem (3.66%). The eggs hatched in 6-10 days with an average of 9.610.24 days. The per canthachability was 80 20 per cent Nymph passed through five instars to become a adult mean erage 1 2 3 4 and 5 instars were 2.35:0 11,325:0.10, 4.55+0.15, 4.1510.17 and 4.000.18 with a range 2-3 3-4 46 3-5 and 3-5 days respectively. The total nymphal period was 18.3 days (16-20 days) The average adult emergence was 8511 87 per cent and the sex ratio was 1.0:1.31 male: The pre-oposition oviposition and post-oviposition period of macropterrous females varied on 24 cas 13-15 days and 3-7 days with an average of 3 140.23. 13.040.29 and 5:0 39 days, ty Longevity of males and female ranged from 14-18 (mean 159) and 18-22 (201) days, y Oran average a female laid 1162(89-146) eggs during its life span
Not Available
 
Date 2021-08-25T08:42:39Z
2021-08-25T08:42:39Z
2015-01-01
 
Type Research Paper
 
Identifier Not Available
070-3837
http://krishi.icar.gov.in/jspui/handle/123456789/60494
 
Language English
 
Relation Not Available;
 
Publisher Indian society for advancement of insect science