International Journal of Plant Protection

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Species Diversity and Population Dynamics of Fruit Flies in Bitter Gourd Ecosystem


Affiliations
1 Agricultural and Horticultural Research Station, Kapikad, Ullal, Mangaluru (Karnataka), India
2 Department of Entomology, College of Horticulture, University of Horticultural Sciences, Bagalkot (Karnataka), India
     

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Studies related to species diversity and seasonal incidence of fruit flies in drumstick ecosystems were conducted at University of Horticultural Sciences (UHS), Udyanagiri, Bagalkot, India during Rabi 2015-16 and Kharif 2016. During Rabi 2015 Shannon Wiener index (H’) of diversity of the fruit fly population was maximum (H’=0.64) during 6th SMW of (February) 2016. The Pielou’s evenness (J’) value was maximum during 6th SMW of (February) 2016 and 52nd SMW of (December) 2015 (0.92 and 0.79, respectively). The maximum Simpson diversity index value (0.66) was recorded during 6th SMW of (February) 2016. During 2016 maximum H value (H’=0.61) was recorded during 38th followed by 36th SMW of (September) 2016 (0.79). The Pielou’s evenness (J’) ranged from 0.33 to 0.88. Maximum (J’) value was recorded during 38th SMW of (September) 2016 (0.88) and 36th SMW of (September) 2016 (0.79).

Keywords

Bitter Gourd, Species Diversity, Population Dynamics, Bactrocera cucurbitae, Bactrocera Spp.
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  • Species Diversity and Population Dynamics of Fruit Flies in Bitter Gourd Ecosystem

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Authors

Mahesh Math
Agricultural and Horticultural Research Station, Kapikad, Ullal, Mangaluru (Karnataka), India
Y. K. Kotikal
Department of Entomology, College of Horticulture, University of Horticultural Sciences, Bagalkot (Karnataka), India
Venkateshalu
Department of Entomology, College of Horticulture, University of Horticultural Sciences, Bagalkot (Karnataka), India

Abstract


Studies related to species diversity and seasonal incidence of fruit flies in drumstick ecosystems were conducted at University of Horticultural Sciences (UHS), Udyanagiri, Bagalkot, India during Rabi 2015-16 and Kharif 2016. During Rabi 2015 Shannon Wiener index (H’) of diversity of the fruit fly population was maximum (H’=0.64) during 6th SMW of (February) 2016. The Pielou’s evenness (J’) value was maximum during 6th SMW of (February) 2016 and 52nd SMW of (December) 2015 (0.92 and 0.79, respectively). The maximum Simpson diversity index value (0.66) was recorded during 6th SMW of (February) 2016. During 2016 maximum H value (H’=0.61) was recorded during 38th followed by 36th SMW of (September) 2016 (0.79). The Pielou’s evenness (J’) ranged from 0.33 to 0.88. Maximum (J’) value was recorded during 38th SMW of (September) 2016 (0.88) and 36th SMW of (September) 2016 (0.79).

Keywords


Bitter Gourd, Species Diversity, Population Dynamics, Bactrocera cucurbitae, Bactrocera Spp.

References