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Gandhi Gracy, R.
- Differential Parasitism by Cotesia plutellae (Kurdjumov) on Plutella xylostella (L.) in Artificially Infested Host Plants
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Authors
Affiliations
1 Division of Entomology, Indian Agricultural Research Institute, New Delhi 110 012, IN
1 Division of Entomology, Indian Agricultural Research Institute, New Delhi 110 012, IN
Source
Journal of Biological Control, Vol 24, No 1 (2010), Pagination: 22-27Abstract
The parasitic potential of Cotesia plutellae (Kurdjumov) on diamondback moth larva was studied under laboratory and field conditions. The results revealed that the parasitism under field conditions was 27% lower than the caged laboratory conditions. Cauliflower, cabbage and mustard plants were more attractive to the gravid females establishing 56%, 53% and 45% parasitism, respectively, compared to other tested host plants. These were followed by Brussels sprout and broccoli. Lowest level of parasitism was recorded in knol-khol and kale under both field and caged laboratory conditions. The role played by host plants, herbivore induced volatiles and larval byproducts as well as the phyllotaxy of host plants in sheltering the host larvae are implicated for the observed variation in parasitism and discussed in a tri-trophic context.Keywords
Cotesia plutellae, Larval Parasitoid, Parasitism, Plutella xylostella, Field Efficiency, Host Plant Volatiles, Biological Control.Full Text
- In silico Docking Studies on Cytochrome P450 Enzymes of Helicoverpa armigera (Hubner) and Trichogramma cacoeciae Marchal and Implications for Insecticide Detoxification
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PDF Views:149
Authors
K. P. Dhanya
1,
Madhusmita Panda
1,
S. K. Jalali
1,
N. K. Krishna Kumar
1,
R. Gandhi Gracy
1,
T. Venkatesan
1,
M. Nagesh
1
Affiliations
1 Molecular Entomology Laboratory, National Bureau of Agriculturally Important Insects, Post Bag No. 2491, H. A. Farm Post, Bellary Road, Hebbal, Bangalore 560 024, Karnataka, IN
1 Molecular Entomology Laboratory, National Bureau of Agriculturally Important Insects, Post Bag No. 2491, H. A. Farm Post, Bellary Road, Hebbal, Bangalore 560 024, Karnataka, IN
Source
Journal of Biological Control, Vol 27, No 1 (2013), Pagination: 1-9Abstract
In silico docking of cytochrome P450 monooxygenase (CYP450) of an insect, Helicoverpa armigera (Hübner) and a parasitoid, Trichogramma cacoeciae Marchal was studied with two insecticides, monocrotophos and fenvalerate. The CYP450 sequences of H. armigera (CYP9A12), T. cacoeciae (CYP4G12) and a human microsomal sequence CYP3A4, as positive control were retrieved from NCBI’s GenBank database. The structure, as predicted by SOPMA, of CYP450 in H. armigera contained 78.7% helix and 43.3% sheets, while that of T. cacoeciae contained 60.6% helix and 68.5% sheets. The three-dimensional molecular models of CYP450 of H. armigera and T. cacoeciae indicated that 96.5 and 97.2% residues, respectively, were in the most favored region. The docking studies revealed that the binding energy of H. armigera was -3.50 and -7.65 kcal/mole compared to the binding energy of T. cacoeciae -2.96 and -5.28 kcal/mole for monocrotophos and fenvalerate, respectively, inferring stronger interaction of H. armigera CYP450 with the insecticides and thereby higher potential for resistance in H. armigera.Keywords
Cytochrome P450, Helicoverpa armigera, Trichogramma cacoeciae, In silico Molecular Docking.Full Text
References
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- Okra Shoot and Fruit Borer, Earias vittella (F.), A New Host Record for the Egg Parasitoid, Trichogramma Chilotraeae Nagaraja and Nagarkatti from India
Abstract Views :237 |
PDF Views:133
Authors
Affiliations
1 Indian Institute of Vegetable Research, Varanasi 221 305, Uttar Pradesh, IN
2 Central Research Institute for Jute and Allied Fibres, Barrackpore 700 120, West Bengal, IN
1 Indian Institute of Vegetable Research, Varanasi 221 305, Uttar Pradesh, IN
2 Central Research Institute for Jute and Allied Fibres, Barrackpore 700 120, West Bengal, IN
Source
Journal of Biological Control, Vol 25, No 2 (2011), Pagination: 146-147Abstract
An in situ survey on native natural enemies of okra shoot and fruit borer, Earias vittella was conducted during September-October 2008, at IIVR research farm, Varanasi, Uttar Pradesh, India. The survey revealed that Trichogramma chilotraeae Nagaraja and Nagarkatti is a potential egg parasitoid which was occurring naturally in the okra ecosystem in spite of the pubescence of the okra plant. This is the first record of natural parasitism of T. chilotraeae on E. vittella.Keywords
Earias vittella, Trichogramma chilotraeae, Okra, Record.Full Text
- New Record of Carinostigmus Tsuneki (Hymenoptera: Crabronidae: Pemphredoninae) Species in India and Identity of its Species using DNA Barcoding
Abstract Views :272 |
PDF Views:158
Authors
Affiliations
1 Division of Genomic Resources, ICAR - National Bureau of Agricultural Insect Resources,Bangalore - 560024, Karnataka, IN
1 Division of Genomic Resources, ICAR - National Bureau of Agricultural Insect Resources,Bangalore - 560024, Karnataka, IN
Source
Journal of Biological Control, Vol 33, No 1 (2019), Pagination: 70-75Abstract
Specimens of the aphid hunting wasp Carinostigmus Tsuneki (Hymenoptera: Crabronidae: Pemphredoninae) were collected from South India. Morphological identification revealed three species, and one of them, C. griphus Krombein, is new for India. Identification of the species is supported through COI partial gene-DNA Barcoding.Keywords
Carinostigmus, DNA Barcoding, Molecular Phylogeny, Sphecidae.Full Text
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- Molecular Phylogeny of Scymnus latifolius, A Predator Species of Mealy Bug Shows Divergent Evolution among Scymnus Species
Abstract Views :236 |
PDF Views:83
Authors
Affiliations
1 Central Sericultural Research and Training Institute, Central Silk Board, Berhampore 742 101, IN
2 Palli Siksha Bhavana, Visva-Bharati University, Santiniketan 731 236, IN
3 ICAR-National Bureau of Agricultural Insect Resources, Hebbal, Bengaluru 560 068, IN
1 Central Sericultural Research and Training Institute, Central Silk Board, Berhampore 742 101, IN
2 Palli Siksha Bhavana, Visva-Bharati University, Santiniketan 731 236, IN
3 ICAR-National Bureau of Agricultural Insect Resources, Hebbal, Bengaluru 560 068, IN
Source
Current Science, Vol 120, No 5 (2021), Pagination: 763-765Abstract
No Abstract.Full Text
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