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Author Kumar A., Shrivastava M.N., Sahu R.K., Shukla B.C., Shrivastava S.K.
Title Inheritance and allelic relationships of rice gall midge resistance genes in some new donors
The Asian rice gall midge, Orseolia oryzae Wood Mason (Diptera: Cecidomyiidae), is a major pest of rice in several South and Southeast Asian countries. The maggots feed internally on the growing tips of the tillers and transform them into tubular, onion-like structures called “silvershoots,” resulting in severe yield loss to the rice crop. We studied the mode of inheritance and allelic relationships of resistance against gall midge in four resistant donors.Abhaya, ARC 5984, RP2068-18-3-5, and RP2333-156-8. The segregation behavior of F1, F2, and F3 confirmed the presence of a single dominant gene for resistance in Abhaya, ARC 5984, and RP2333-156-8 and a single recessive gene for resistance in RP2068-18-3-5. Allelic relationship studies with known genes for resistance (Gm1, Gm2) and among themselves confirmed the presence of nonallelic genes for resistance in Abhaya, ARC 5984, RP2068-18-3-5, and RP2333-156-8. The recessive gall midge resistance gene present in donor RP2068-18-3-5 could be designated as gm3. The dominant genes for gall midge resistance present in donors Abhaya, ARC 5984, and RP2333-156-8 can be designated as Gm4, Gm5, and Gm7, respectively.
Journal Advances in rice genetics. Supplement to Rice genetics IV. Proceedings of the Fourth International Rice Genetics Symposium, 2000, IRRI, Los Baños, Philippines.
Country India
Pages 51-54
Year 2003
PubMed ID -
PubMed Central ID -
Gene GM1 GM2 GM3 GM4 GM5 GM6 GM7
Strain Wild Core Collection -
Induced Mutation Lines(NIG Collection) -
Sterile Seed Strain -
Lethal Embryo
Mutantion Strain
Stages in Each Organ
- Muant Lines (Gene)
Cultivated Varieties(NIG Collection) -
Stages in Each Organ -