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首页> 外文期刊>Oryza >Genetics of resistance to brown planthopper (Nilaparvata lugens Stal.) in rice (Oryza sativa L.)
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Genetics of resistance to brown planthopper (Nilaparvata lugens Stal.) in rice (Oryza sativa L.)

机译:水稻(Oryza sativa L.)对褐飞虱(Nilaparvata lugens Stal。)的抗性遗传。

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摘要

Studies on genetics of resistance to brown planthopper (Nilaparvata lugens Stal.) in rice (Oryza sativa L.) at IGKV, Raipur indicated that resistance is controlled by a single dominant gene in cultivars OR 1334-8, CRK-7-2-8, TTB 148-174-3-2-1, RP 1597-1662-72-52, RP 1976-18-6-4-2, RP 1597-1627-32-220 and B-6932-MR 25-1 and a single recessive gene in cultivars Basangi (B: 2682), Bakada (B:2699-I), Barhi (B:1253-H) and Budhiya Banko (B:57-II). In the cross combinations LaI Basant (L 289-I)/Budhiya Banko (B:57-II), Lai Basant (L 289-I)/Basangi (B:2682), Barhi (B:1253-II)/Budhiya Banko (B:57-II), Barhi (B:1253-I)/Lal Basant (L:289-I) and Barhi (B:1253-II)/Basangi (B:2682), resistance is governed by two independent recessive genes and in OR 1334-8/TTB-148-174-3-2-1 resistance is governed by duplicate dominant genes. Identical alleles were also found for resistance to BPH in cross combinations RP1579-1662-72-52/RP 1976-18-6-4-2, B-6932-MR25-I/CRK-7-2-8, RP 1579-1627-32-220/RP 1976-18-6-4-2 and Bakada (B: 2699-I)/Barhi (B: 1253-I).
机译:在赖普尔的IGKV对水稻(Oryza sativa L.)的褐飞虱(Nilaparvata lugens Stal。)的抗性遗传研究表明,抗性由OR 1334-8,CRK-7-2-8的一个单一优势基因控制,TTB 148-174-3-2-1,RP 1597-1662-72-52,RP 1976-18-6-4-2,RP 1597-1627-32-220和B-6932-MR 25-1和品种Basangi(B:2682),Bakada(B:2699-I),Barhi(B:1253-H)和Budhiya Banko(B:57-II)的单个隐性基因。在交叉组合LaI Basant(L 289-I)/ Budhiya Banko(B:57-II),Lai Basant(L 289-I)/ Basangi(B:2682),Barhi(B:1253-II)/ Budhiya Banko (B:57-II),Barhi(B:1253-I)/ Lal Basant(L:289-I)和Barhi(B:1253-II)/ Basangi(B:2682),抵抗力由两个独立的隐性在OR 1334-8 / TTB-148-174-3-2-1中,抗性由重复的显性基因控制。在交叉组合RP1579-1662-72-52 / RP 1976-18-6-4-2,B-6932-MR25-I / CRK-7-2-8,RP 1579-RP中也发现了对BPH抗性相同的等位基因1627-32-220 / RP 1976-18-6-4-2和Bakada(B:2699-I)/ Barhi(B:1253-I)。

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