In rice, high silicon content, in shoot confers resistance to_________________? April 23, 2025 by admin A. Leaf borer B. Stem borer C. Root borer D. All the above
Oka (1975) has suggested that me population size suitable for maintenance and seed production of a commercial crop of a self pollinated species should be________________? April 23, 2025 by admin A. 100 plants B. 200 plants C. 300 plants D. 400 plants
Who described the method of estimating seed vigor on the basis of colour intensity of stained seed________________? April 23, 2025 by admin A. Woodstock (1976) B. Kittock and Law (1969) C. Maguire (1962) D. Nicolls & Heu Decker (1968)
Seeds of wheat, paddy and maize showed positive correlation germination (%) and viability (%) as determined by________________? April 23, 2025 by admin A. Grow put test B. Tz test C. Test of genetic purity of seeds D. Ageing test
Who the a method of estimating seed vigour on the basis of color intensity of the stained seeds ? April 23, 2025 by admin A. Nicolls & Hey Decker (1968) B. Kittock &. Law (1953) C. Moore (1973) D. Germ (1949)
Who gave the formula for speed of germination_______________? April 23, 2025 by admin A. Maguire (1962) B. Baskin (1972) C. Moore (1973) D. Germ (1949)
Progeny of nucleus seed is called__________________? April 23, 2025 by admin A. Foundation seed B. Breeder seed C. Certified seed D. Registered seed
Seed dormancy of nee seeds can be successfully broken by heat treatment at________________? April 23, 2025 by admin A. 50°c for 3-7 days B. 45°c for 3-8 days C. 54°c for 2-6 days D. None of the above
Abnormal seeding growth in rice may be due to_________________? April 23, 2025 by admin A. Intrinsic Mechanism B. Lack of integrity in seed cells C. Endogenous inhibitors D. Al the above
Abnormal seeding growth in rice is more closely related, with______________? April 23, 2025 by admin A. IID grains B. LD grains C. Both a & b D. None of the above