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- Title
Management of the major pests of french bean through development and validation of certain IPM modules, Assam, India.
- Authors
Sharmah, D.; Rahman, S.
- Abstract
The present investigation was carried out in the ICR farm, Assam Agricultural University, Jorhat during 2013-14 and 2014-15 for management of the major pests through development and validation of certain IPM modules. Lesser per cent incidence of aphid (0.60 %) was seen in Module-I than Module-III (2.58 %) and Module-II (6.0 %) and has significant at 5 % probability level. But highest percentage of aphid incidence (13.40 %) was registered in Module-IV. The mean population of thrips varied from 1.0 to 10.0 per cent among the modules. Module-I was found to be superior by recording significantly less incidence of thrips (1.04 %) than Module-III (2.6 %) and Module-II (4.0 %). Considerably higher per cent incidence of thrips was observed in Module-IV (10.0 %). The per cent population of mite was least (1.0 %) in Module-I compared to Module-III (3.0 %) and Module-II (7.6 %). Maximum incidence of mites was recorded in Module-IV (9.0 %). Whitefly incidence was recorded to be minimum (1.2% in Module -I compared to Module-III (2.80 %) and Module-II (4.0 %). The highest percent incidence of whitefly was registered in Module -IV (10.8 %). Module-I was found to be superior by recording significantly less incidence of pod borer (0.40 %) and was significantly differed from Module-III (3.2 %) and Module-II (5.8 %). The highest healthy green bean yield ha-1 was achieved in Module-I (13.99 tha-1) followed by Module-III (13.91 tha-1), Module-II (13.56 tha-1) and Module-IV (9.88 tha-1). The effectiveness of IPM Modules in respect to B:C ratio were obtained to be 2.06, 1.95 and 1.97 from Module-I, II and III respectively. The present experimental findings can be used as alternative for chemical pesticides at farmer's field and will certainly be reduce the detrimental effect of insecticides application.
- Subjects
COMMON bean varieties; BEAN plant irrigation; BEANS -- Harvesting; APHID host plants; BIOLOGICAL control of aphids
- Publication
Journal of Applied & Natural Science, 2017, Vol 9, Issue 2, p674
- ISSN
0974-9411
- Publication type
Article
- DOI
10.31018/jans.v9i2.1256