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Eapen, Santhosh J.
- Effect of Temperature on the Infectivity of Entomopathogenic Nematodes against Shoot Borer (Conogethes punctiferalis Guen.) Infesting Ginger (Zingiber officinale Rosc.)
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Authors
Affiliations
1 Division of Crop Protection, ICAR-Indian Institute of Spices Research, Kozhikode (Kerala) 673 012, IN
1 Division of Crop Protection, ICAR-Indian Institute of Spices Research, Kozhikode (Kerala) 673 012, IN
Source
Journal of Biological Control, Vol 29, No 4 (2015), Pagination: 187-193Abstract
The attachment, penetration, infectivity and multiplication of eight native isolates of Entomopathogenic nematodes (EPNs), Heterorhabditis sp. (IISR-EPN 01), Steinernema sp. (IISR-EPN 02), Steinernema sp. (IISR-EPN 03), S. carpocapsae (IISR-EPN 06), Oscheius spp. (IISR-EPN 04, 05, and 08) and O. gingeri were tested against larvae of Conogethes punctiferalis at different temperatures viz., 20, 25, 30 and 35°C. The temperature significantly affected attachment, penetration, pathogenicity and multiplication ability of infective juveniles (IJs) of all tested EPNs. Among the test temperatures, maximum mortality of larvae was found at 30°C followed by 25°C, whereas the least mortality was recorded at 20 and 35°C. Maximum number of infective juveniles was multiplied at 30°C, however minimum multiplication was recorded at 35°C. Among the test EPNs, no multiplication of Heterorhabditis sp. (IISR-EPN 01), Steinernema sp. (IISR-EPN 03) and O. gingeri was recorded at 20°C. IJs attached to larvae of C. punctiferalis in higher number after 6 h at 25 and 30°C. Whereas, maximum number of IJs penetrated into C. punctiferalis larvae at 30°C. Therefore, the optimal temperature for infection and development for all promising EPNs was 30°C.Keywords
Entomopathogenic Nematodes, Ginger, Shoot Borer, Temperature.Full Text
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- Piperpep - A Database of Experimentally Generated Peptides from Black Pepper (Piper nigrum L.)
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Authors
Affiliations
1 Division of Crop Improvement, ICAR-Indian Institute of Spices Research, Kozhikode 673 012, IN
2 Division of Crop Protection, ICAR-Indian Institute of Spices Research, Kozhikode 673 012, IN
1 Division of Crop Improvement, ICAR-Indian Institute of Spices Research, Kozhikode 673 012, IN
2 Division of Crop Protection, ICAR-Indian Institute of Spices Research, Kozhikode 673 012, IN
Source
Current Science, Vol 111, No 9 (2016), Pagination: 1453-1455Abstract
The Piperpep database is a compilation of peptide data from mass spectrometry analysis of a medicinally important export oriented crop - black pepper, developed by the fact that any mass spectrometry derived data would be an excellent source for genome annotation in future. This database has 1001 peptides, including 36 antimicrobial peptides annotated from the leaf of black pepper. The user friendly browsing and search tools would help the researcher with crop improvement in black pepper and also in other crops via peptide or protein data. The information on antimicrobial peptides in this database is expected to cater towards development of new drugs for agricultural and medicinal uses.Full Text
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