A. Condition of cell membrane
B. Cracking of seed test
C. Both a & b
D. None of the above
Agronomy
Vigor index of seedings in rice can be determined on……………….?
A. Quantitative basis
B. Qualitative basis
C. Both a & b
D. None of the above
The higher leachate conductivity is associated with………………?
A. Mature seeds
B. Immature seed?
C. Abnormal seeds
D. All the above
Better crop establishment especially for direct seeded rice can be obtained by using…………….?
A. High density grain
B. Low density grain
C. Both a & b
D. None of the above
High density grains are found mostly at……………….?
A. Top of panicle
B. Middle of panicle
C. Bottom of panicle
D. All the above
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
genetic purity of seed is determined by…………….?
A. Ageing test
B. Grow out test
C. Tz test
D. All the above
Who gave the formula for coefficient of velocity of germination ?
A. Kotowski (1926)
B. Germ (1949)
C. Deloucle & Baskin (1972)
D. Moore (1973)
Who gave the formula for mean germination time?
A. Nicolls &Heydecker (1968)
B. Kotowski (1962)
C. Baskin (1972)
D. Maguire (1962)
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)