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Potential changes in number of generations of oriental fruit fly, Bactrocera Dorsalis (Diptera: Tephritidae) on mango in India in response to climate change scenarios

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Title Potential changes in number of generations of oriental fruit fly, Bactrocera Dorsalis (Diptera: Tephritidae) on mango in India in response to climate change scenarios
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Creator Jaipal S. Choudhary
M.S. Rao
Santosh S. Mali
Bikash Das
A. Kumari
D. Mukherjee
A.K. Singh
B. P. Bhatt
 
Subject climate change scenarios
Mango
B. dorsalis
degree days
generation time
 
Description Not Available
The oriental fruit fly, Bactrocera dorsalis (Hendel) is a major pest of mango crop in India and the
present studies conducted to estimate the number of generations in relation to changing temperature
on mango fruits across eight different geographically isolated major mango growing locations of India.
The prediction of insect pest generations and generation time was done for baseline (1961 to 1990),
present (1969 to 2005), near future (2021 to 2050) and distant future (2071 to 2098) periods using A1B
emission scenario data from the regional circulation model (RCM), Providing Regional Climates for
Impacts Studies (PRECIS) model. The degree days models using minimum and maximum temperature
were used to obtain cumulative degree days (DD) for each generation of B. dorsalis using a temperature
threshold of 13°C. It was estimated that faster accumulation of degree days would make possible for
occurrence of one or two additional generations with shortened mean life cycle (5 to 7 days less) in near
and distant future climate change periods compared to baseline and present periods at majority of
locations. Increased number of generations and reduction of generation time at majority of mango
growing locations of India suggest that the incidence of B. dorsalis may likely to increase due to projected
increase in temperatures during future climate change scenarios.
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Date 2021-08-03T07:07:44Z
2021-08-03T07:07:44Z
2017-09-01
 
Type Research Paper
 
Identifier Jaipal S. Choudhary, M.S. Rao, S.S. Mali, B. Das, A. Kumari, D. Mukherjee, A.K. Singh, and B.P. Bhatt, (2017). Potential changes in number of generations of oriental fruit fly, Bactrocera Dorsalis (Diptera: Tephritidae) on mango in India in response to climate change scenarios, Journal of Agrometeorology, 19 (3): 200-206.
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http://krishi.icar.gov.in/jspui/handle/123456789/52507
 
Language English
 
Relation Not Available;
 
Publisher Not Available