Exploitation of Wild Cicer reticulatum Germplasm for Resistance to Helicoverpa armigera
نویسندگان
چکیده
منابع مشابه
Exploitation of wild relatives of pigeonpea and chickpea for resistance to Helicoverpa armigera
Wild relatives continue to evolve in nature, and live by a different rule than the crop plants – which is survival of the fittest. Wild species have evolved to survive droughts, floods, extremes of heat and cold, and have the capability to withstand damage by insect pests and diseases that cause heavy damage to cultivated species. Many improved cultivars of crops are vulnerable to insect pests ...
متن کاملgenetic engineering for increasing resistance of chickpea (cicer arietinum l.) to pod borer (helicoverpa armigera)
pod borer is one of the main factors for yield decrease of chickpea. therefore, breeding of chickpea for resistance to this pest is important. modified cry1ac gene of bacillus thuringiensis in pcry1ac-nptii plasmid containing twin t-dna for cry1ac and nptii genes have been used for transformation of chickpea. at last 38 plants had nptii gene that 36 plants of them had cry1ac gene and two plants...
متن کاملPurification and characterization of trypsin inhibitor from Cicer arietinum L. and its efficacy against Helicoverpa armigera
Protease inhibitors in legumes are one of the most promising weapons that confer resistance against insects by inhibiting proteases present in the gut of insect larvae. In the present study, trypsin inhibitor activity was detected in the seed flour extracts of 10 selected varieties of chickpea. The presence of inhibitor was confirmed by dot blot analysis. All the varieties showed inhibitory act...
متن کاملResistance of Australian Helicoverpa armigera to fenvalerate is due to the chimeric P450 enzyme CYP337B3.
Worldwide, increasing numbers of insects have evolved resistance to a wide range of pesticides, which hampers their control in the field and, therefore, threatens agriculture. Members of the carboxylesterase and cytochrome P450 monooxygenase superfamilies are prominent candidates to confer metabolic resistance to pyrethroid insecticides. Both carboxylesterases and P450 enzymes have been shown t...
متن کاملExpression of a Chimeric Gene Encoding Insecticidal Crystal Protein Cry1Aabc of Bacillus thuringiensis in Chickpea (Cicer arietinum L.) Confers Resistance to Gram Pod Borer (Helicoverpa armigera Hubner.)
Domain swapping and generation of chimeric insecticidal crystal protein is an emerging area of insect pest management. The lepidopteran insect pest, gram pod borer (Helicoverpa armigera H.) wreaks havoc to chickpea crop affecting production. Lepidopteran insects were reported to be controlled by Bt (cryI) genes. We designed a plant codon optimized chimeric Bt gene (cry1Aabc) using three domains...
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ژورنال
عنوان ژورنال: Journal of Economic Entomology
سال: 2005
ISSN: 1938-291X,0022-0493
DOI: 10.1093/jee/98.6.2246