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MANAGEMENT OF SEED CAPSULE BORER, HELICOVERPA ARMIGERA IN TOBACCO

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Title MANAGEMENT OF SEED CAPSULE BORER, HELICOVERPA ARMIGERA IN TOBACCO
Not Available
 
Creator U. SREEDHAR
S. GUNNESWARARAO
 
Subject capsule borer, Helicoverpa armigera, IPM, Nicotiana tabacum, management, tobacco
 
Description Not Available
The seed capsule borer, Helicoverpa armigera Hubner is a serious pest of tobacco. Field experiments were conducted for two seasons (201416) to evaluate three different modules viz., bio intensive integrated pest management (BIPM), chemical control (CC) and IPM module along with untreated control for management of H.armigera in chewing tobacco. It was observed that the damage to the seed capsules was significantly less in all the modules compared to untreated control (21.25 28.40%). The capsule damage was least in chemical control module (4.50 - 9.70%) followed by IPM module (5.02 - 10.81%) both of which were superior to BIPM module (12.67 - 20.68%). The data on per cent plants infested with the pest also showed similar trend. The activity of the predator mired bug, Nesidiocoris tenuis was the highest in untreated control module followed by BIPM and IPM modules. The highest mean seed yield of 679 kg/ha was recorded in chemical control plot followed by IPM module (658 kg/ha) as against 569 kg/ha in BIPM module and 520 kg/ha in untreated check during the experimental period. The pest incidence, capsule damage and the seed yield was at par in chemical control and IPM modules. However, the population of predator, Nesidiocoris tenuis was more in IPM compared to CC module. Hence, IPM module can be adopted for management of the seed capsule borer, H.armigera in tobacco.
Not Available
 
Date 2020-12-01T05:01:03Z
2020-12-01T05:01:03Z
2020-02-01
 
Type Research Paper
 
Identifier 13
0379 - 055X
http://krishi.icar.gov.in/jspui/handle/123456789/42827
 
Language English
 
Relation Not Available;
 
Publisher INDIAN SOCIETY OF TOBACCO SCIENCE