The genus Gossypium is one of the largest havingnearly 50 species of which two are tetraploidcultivars and two are diploid cultivars with 2n =52 and 26 chromosome respectively and the restare wild to semi-wild at both...The genus Gossypium is one of the largest havingnearly 50 species of which two are tetraploidcultivars and two are diploid cultivars with 2n =52 and 26 chromosome respectively and the restare wild to semi-wild at both these ploidy levels.The tetraploids(AD)are supposed to containthe Asiatic cotton(A)and American diploid(D)species genomes.展开更多
Genotype independent transformation andregeneration of Indian cotton(Gossypiumhirsutum L.)cultivar was standardized with Bt-Cry 1A(b)gene by Agrobacterium-mediation.Apical meristem of elite G.hirsutum cultivarLRK-516 ...Genotype independent transformation andregeneration of Indian cotton(Gossypiumhirsutum L.)cultivar was standardized with Bt-Cry 1A(b)gene by Agrobacterium-mediation.Apical meristem of elite G.hirsutum cultivarLRK-516 and LRA 5166 were co-cultivated withA.tumefaciens LBA 4404 carrying synthetic Bt-展开更多
RAPD analysis was carried out in germplasmlines CNH 123(RCLCuV),CNH 1012(RCLCuV),CNH 1020(SCLCuV)and CNH120(SCLCuV)to establish polymorphismamong the cotton leaf curl virus(CLCuV)resistant and susceptible genotypes.Th...RAPD analysis was carried out in germplasmlines CNH 123(RCLCuV),CNH 1012(RCLCuV),CNH 1020(SCLCuV)and CNH120(SCLCuV)to establish polymorphismamong the cotton leaf curl virus(CLCuV)resistant and susceptible genotypes.These lineswere characterized using 80 decamer primers byamplification.Eighty primers amplified 392scorable DNA fragments out of which 20% werepolymorphic.The lines CNH 123 and CNH 120have similarity(85%)as obtained by the Neiand Lies coefficient of similarity.The展开更多
向日葵霜霉病Plasmopara halstedii(Farl.)Berl.& de Toni是一个经济重要性很大的种传兼土传的毁灭性病害。在适宜的气候条件下,它能致使田间植株死亡70％～80％,并严重降低种子萌发。在北美地区向日葵是Plasmopara halstedii的主...向日葵霜霉病Plasmopara halstedii(Farl.)Berl.& de Toni是一个经济重要性很大的种传兼土传的毁灭性病害。在适宜的气候条件下,它能致使田间植株死亡70％～80％,并严重降低种子萌发。在北美地区向日葵是Plasmopara halstedii的主要寄主,它已传播到南北美洲的许多国家、欧洲和苏联(英联邦真菌学研究所植物病害分布图№266),但是在澳大利亚和印度还没有发生的报道。在近15年中。展开更多
文摘The genus Gossypium is one of the largest havingnearly 50 species of which two are tetraploidcultivars and two are diploid cultivars with 2n =52 and 26 chromosome respectively and the restare wild to semi-wild at both these ploidy levels.The tetraploids(AD)are supposed to containthe Asiatic cotton(A)and American diploid(D)species genomes.
文摘Genotype independent transformation andregeneration of Indian cotton(Gossypiumhirsutum L.)cultivar was standardized with Bt-Cry 1A(b)gene by Agrobacterium-mediation.Apical meristem of elite G.hirsutum cultivarLRK-516 and LRA 5166 were co-cultivated withA.tumefaciens LBA 4404 carrying synthetic Bt-
文摘RAPD analysis was carried out in germplasmlines CNH 123(RCLCuV),CNH 1012(RCLCuV),CNH 1020(SCLCuV)and CNH120(SCLCuV)to establish polymorphismamong the cotton leaf curl virus(CLCuV)resistant and susceptible genotypes.These lineswere characterized using 80 decamer primers byamplification.Eighty primers amplified 392scorable DNA fragments out of which 20% werepolymorphic.The lines CNH 123 and CNH 120have similarity(85%)as obtained by the Neiand Lies coefficient of similarity.The
文摘向日葵霜霉病Plasmopara halstedii(Farl.)Berl.& de Toni是一个经济重要性很大的种传兼土传的毁灭性病害。在适宜的气候条件下,它能致使田间植株死亡70％～80％,并严重降低种子萌发。在北美地区向日葵是Plasmopara halstedii的主要寄主,它已传播到南北美洲的许多国家、欧洲和苏联(英联邦真菌学研究所植物病害分布图№266),但是在澳大利亚和印度还没有发生的报道。在近15年中。
