Genetic Analysis of Resistance to Gall Midge (<i>Orseolia oryzae</i> Wood Mason) in Rice

Tomar, J. B.; Prasad, Shambhoo

doi:10.1111/j.1439-0523.1992.tb00166.x

Cited by 9 publications

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“…The Gm10 gene identified in the present study in BG 380‐2 (BG 90‐2/Ob677), a breeding line from Bettalgoda, Sri Lanka, derives its resistance from Ob 677. The other lines deriving their resistance from Ob 677 (Tomar and Prasad, 1992), such as BG 404‐1 and BG 276‐5, have shown resistance against the gall midge population prevalent in Sri Lanka (Kudagamage and Gunawardena, 1989) as well as in the Huaxian, Gaozhou (biotype 1), and Xinhui (biotype 2) regions of China (Huang et al, 1998). Ob 677 provides resistance against biotypes 1 and 2 prevalent in India (All India Co‐ordinated Rice Improvement Programme, 1999) but like other differentials from India is susceptible to the African rice gall midge ( Orseolia oryzivora Harris and Gagné) (Ukwungwu and Joshi, 1992).…”

Section: Resultsmentioning

confidence: 99%

Genetic Analysis of Resistance Genes for the Rice Gall Midge in Two Rice Genotypes

et al. 2005

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spect to specific host plant resistance genes (Gallun et al., 1961). Asian rice gall midge (Orseolia oryzae Wood-Mason) is the mostNine nonallelic resistant genes were identified in indestructive pest of rice (Oryza sativa L.) in several regions of South heritance studies of gall midge resistance using approxiand Southeast Asia. Resistance to gall midge is primarily governed mately 100 different rice lines as donors. The Gm1 (gall by single dominant genes in rice, thus newly evolving biotypes are able to overcome resistance genes rendering these genes ineffective.midge resistant) gene identified in 'Samridhi' and Gm2

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Section: Resultsmentioning

confidence: 99%