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Study of morphological and floral traits of different lines in rice (oryza sativa l.)

Author:

Tejbir Singh

Subject Area:

Life Sciences

Abstract:

In the present study, an attempt has been made to study the morphological and floral characters of the parental lines of the released hybrids. The morphological and floral traits of cms lines, their maintainers and restorer lines indicated that both the cms lines were morphologically different. All the parental lines had erect altitude of flag leaf blade, except MTU 9992R and IR 40750R which had horizontal and reflexed altitude of leaf blade. The floret opening angle in cms lines lR 58025A (38.8°) and PMS 2A (37.9°) was higher than their maintainers, lR 580258 (24.8°) and PMS 2B (31.7°) which is desirable for higher out crossing rate. The flag leaf angle of cms lines lR 58025A (33.7) and PMS 2A (23.5) was greater than restorer lines. The flag leaf angle of the restorer lines ranged from 11.0 (MTU 9992R) to 34.0 (BR 827-35R).

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