A. Woodstock (1973)
B. Moore (1973)
C. Maguire (1962)
D. Germ (1950)
Related Mcqs:
- Who showed a positive correlation between tetrazolium staining with seed quality in soybean seeds ?
A. Maguire (1963)
B. Barries ei al. (1969)
C. Moore (1973)
D. Woodstock (1976) - 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________________?
A. 100 plants
B. 200 plants
C. 300 plants
D. 400 plants - Breeders seed production is taken up from the nucleus seed B and A lines are pollinated in an isolation of 1 Km in a ratio of_________________?
A. 1:2
B. 1:3
C. 1:4
D. 1:5 - The seed dormancy of rice seed can be broken by putting into the oven at____________________?
A. 50°c for 5 hrs
B. 53°c for 6 hrs
C. 45°c for 6 hrs
D. none of the above - Hitting the seed with force against a hard surface to break seed dormancy is called_______________?
A. Impaction
B. Abrasion
C. Stratification
D. Scarification - genetic purity of seed is determined by________________?
A. Ageing test
B. Grow out test
C. Tz test
D. All the above - Who described. the use of letrazolium for assessing, seed quality and the basis of topographical patterns___________________?
A. Moore (1973)
B. Burries etc (1969)
C. Maguare (1962)
D. Kotowski (1926) - Precise assessment of pest pressure to evaluate Economic risk from pest infestations is called_________________?
A. Economic threshold
B. Crop scouting
C. Economic mjury level
D. None of the above - The deficient level of N(%) in plants suggested by various workers is_________________?
A. <2%
B. <1%
C. <5%
D. 10% - Use of linear measurements of plumule growth as a vigour test was first suggested by_______________?
A. Woodstock (1976)
B. Germ (1949)
C. Baskin (1972)
D. Maguire (1962)
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