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Vol. 12, Special Issue 12 (2023)

Evaluation of gall midge interaction and yield attributes of promising genotypes of rice

Author(s):
Lokesh Kumar Singh, KL Painkra, GP Painkra, PK Bhagat and Neelam Chouksey
Abstract:
A set of 10 promising genotypes of rice i.e. CUL M9, CR 3006-8-2, CR DHAN 317, Akshayadhan PYL, RP 5587-273-1-B-B-B, KMR3, Suraksha, W1263, RP2068 and TN 1 were assessed against rice gall midge in the field at RMD College of Agriculture and Research Station Ambikapur during Kharif 2022. The result revealed that the rice gall midge infestation as silver shoot was recorded between 0.50 to 21.39% at 30 DAT and 50 DAT. Among 10 genotypes of rice, only two genotypes viz., CUL M9 and W1263 were reacted as resistance with <1% SS. Whereas, five genotypes viz., CR 3006-8-2, CR Dhan 317, RP5587-273-1-B-B-B, KMR 3 and TN1 were exhibited susceptible with 11-25% SS infestation, and rest of the three genotypes viz., Akshayadhan PYL, Suraksha and RP2068 were reacted as moderately resistant with 1-5% SS. The various qualitative characters viz., plant height, leaf length, leaf width, No. of trichomes, trichomes position, trichomes length, penical length and No. of grain were showed with wide range of variation in different promising genotypes of rice. The correlation analysis showed that the infestation of rice gall midge at 30 DAT revealed highly significant and positive correlation with incidence of gall midge at 50 DAT (r=0.950**). The infestation of gall midge at 50 DAT showed significant and negative correlation with plant height (r=-0.717*), however trichomes length exhibited significant and negative correlation (r=-0673*) to gall midge infestation. The correlation between plant height and leaf length showed positive correlation (r=0.731*) with each other, however highly significant and negative correlation (r=-0.767**) with leaf width. The correlation between leaf length and number of grain/plant showed positive correlation (r=0.734*) with each other.
Pages: 679-683  |  58 Views  33 Downloads
How to cite this article:
Lokesh Kumar Singh, KL Painkra, GP Painkra, PK Bhagat and Neelam Chouksey. Evaluation of gall midge interaction and yield attributes of promising genotypes of rice. The Pharma Innovation Journal. 2023; 12(12S): 679-683.
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