NDLI: Bioevaluation of Subabul (Leucaena leucocephala) proteinase inhibitors on Helicoverpa armigera

Content Provider	Springer Nature Link
Author	Bhavani, P. Bhattacherjee, Chumki Theertha Prasad, D.
Copyright Year	2007
Abstract	Helicoverpa armigera, a highly polyphagous pest, has a broad host spectrum, causes significant levels of yield loss in many agriculturally important crops. Serine primarily responsible for most of the proteolytic activity in the larval gut of lepidopteron insects. Neonate larvae were reared on artificial diet and chickpea seeds smeared with Subabul Trypsin Inhibitor. Larvae fed with artificial diet showed reduction in larval weight up to 21% (HSTI) and 43% (LSTI). However, larvae fed on seeds showed significant reduction in weight, 52.4% (HSTI) and 60.3% (LSTI), suggesting that the diet also plays a vital role on the effectiveness of the inhibitors on larval growth and development. HSTI and LSTI inhibited the gut proteinases from larvae fed on artificial diet significantly (41.40% and 64.36%) compared to the gut proteinases (27.80% and 38.90%) from larvae fed on chickpea seeds. Seeds smeared with 10,000 TIU resulted in complete mortality of larvae while there was no mortality observed in artificial diet. The results reveal that LSTI is a stronger inhibitor of insect gut proteinases and for larvae fed with poor nutrition in the natural ecosystems, low level expression of inhibitor would be enough to affect the growth and development.
Starting Page	255
Ending Page	261
Page Count	7
File Format	PDF
ISSN	18728855
Journal	Arthropod-Plant Interactions
Volume Number	1
Issue Number	4
e-ISSN	18728847
Language	English
Publisher	Springer Netherlands
Publisher Date	2007-10-13
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Serine Proteinase inhibitors Subabul Helicoverpa armigera Plant Pathology Behavioural Sciences Ecology Plant Sciences Entomology Invertebrates
Content Type	Text
Resource Type	Article
Subject	Ecology Ecology, Evolution, Behavior and Systematics Insect Science Agronomy and Crop Science

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