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New blast-resistant cultures from India

, : New blast-resistant cultures from India. International Rice Research Newsletter 7(6): 6

TM8089, TM8090 and TM8091, which are single-plant rice selections from high-yielding but blast-susceptible TKM9, gave higher yields than TKM9 (3.8, 3.7 and 4.1 t/ha, respectively, vs. 3.4) and were markedly more resistant to Pyricularia oryzae in trials during 1981-82.

Accession: 001101883

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Related references

Anonymous, 1985: New blast resistant cultures of paddy. Six rice lines resistant to both leaf and neck blast (Pyricularia oryzae) and moderately resistant to Rhynchosporium oryzae have been developed at the Complex (Shillong-793001, India). The lines have IR42, IR34 or IR4683-54-2 as one parent and car...

Pandurangegowda, K.T.; Vidyachandra, B.; Vasanthakumar, H.L.; Poonacha, N.M., 1986: Promising blast resistant cultures. Of 43 rice genotypes tested, after transplanting, under natural infection with Pyricularia oryzae in 1984, 11 showed satisfactory resistance to leaf and neck blast and yielded over 3 t/ha. Of the resistant genotypes, IET7191 and IET7193 showed goo...

Manuel, W.W.; Vairavan, S.; Sivasubramaniam, S.; Srinivasalu, N., 1973: Useful additions of blast resistant cultures to germ-pool. The rice strains Co4, Co25 and ADT25, which are resistant to Pyricularia oryzae, and Co19, Co6 and ADT8 were used in crosses, and twelve crosses were compared for yield. Some were superior to Co25 in yield and protein content. Yield and protein co...

Mahadevappa, M.; Shivanandappa, N.; Ravi, P.C., 1977: Intan - a blast-resistant semidwarf rice for Karnataka, India. Intan, which is photosensitive, has already been described.

Narasingarao, M.B.V., 1955: A note on short duration blast resistant paddy cultures for Andhra state. Cultures 6522 and 6517, developed at Coimbatore from crosses of a short-duration Co. strain with the blast-resistant variety Co. 4, have displayed a high degree of resistance to this disease in Andhra.

Shivanandappa, N.; Mahadevappa, M., 1974: Paddy cultures CR-10-4181-1, RP-5-17, RP-5-2, Sigadis, Intan, IR-618 and MR-81 are resistant to blast reaction throughout the plant period. In tests of 214 lines and varieties of rice, the following were resistant to Pyricularia oryzae as young and mature plants: CR10-4181-1, RP5-17, RP5-2, Sigadis, Intan, IR618 and MR81.

Mathur S.C.; Srivastava D.P., 1981: Blast reaction in certain groups of rice cultivars from northeast india and allelic relationship for resistance in 2 resistant genotypes. The reaction to Pyricularia oryzae Cav. in 59 entries from 5 groups of rice cultivars from northeast India varied from resistant to highly susceptibile. The resistance to rice blast was not related to the morphological characters distinguishing th...

Mathur, S.C.; Srivastava, D.P., 1981: Blast reaction in certain groups of rice cultivars from north-east India and allelic relationship for resistance in two resistant genotypes. Fifty-nine varieties representing semidwarf, japonica, beaded-grain, thin-culm and thick-culm types were screened against Pyricularia oryzae race IC17. Four were resistant, two were moderately resistant and seven had both resistant and susceptible...

Mathur, S.; Srivastava, D., 1981: Blast reaction in certain groups of rice cultivars from north-east India and allelic relationship for resistance in two resistant genotypes Pyricularia oryzae. Oryza 18(4): 204-207

Sridhar, R.; Singh, U.D.; Agrawal, P.K.; Reddy, J.N.; Sanger, R.B.S.; Bhatt, J.C.; Rathaiah, Y.; Row, K.V.S.R.K., 1999: Usefulness of blast resistance genes and their combinations in different blast-endemic locations in India. Thirty rice lines were evaluated for blast (Pyricularia grisea [Magnaporthe grisea]) resistance genes in 6 blast-endemic locations in 5 states of India. Effectiveness of individual resistance genes varied between locations. Lines containing resist...