The breeding tool used for commercial hybrid seed production in rice is
Commercial hybrid rice seed production requires stable male sterility.
Cytoplasmic Genetic Male Sterility (CGMS) system is widely adopted.
It involves A, B and R lines for hybrid development.
CGMS ensures large-scale hybrid seed production without manual emasculation.
Hand pollination is impractical for rice. Thus, CGMS is the most suitable breeding tool.
Therefore, option (b) is correct.
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Moisture content of grains can be determined by which methods?
Minimum genetic purity standard for foundation seed class is
How many minimum field counts are required for an area of 10 hectares in seed certification?
The breeding tool used for commercial hybrid seed production in rice is
Find out the odd one in the list of containers used for seed storage
Match the crops with seed hardening chemicals
| crops | seed hardening chemicals |
| (a) Pearl millet | 1. Cycocel |
| (b) Maize | 2. CaCl₂ |
| (c) Cotton | 3. KH₂PO₄ |
| (d) Groundnut | 4. KCl |
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Development of embryo without embryo sac is called as
Harrington Thumb Rule says that storage potential of seed doubles for every °F decrease in temperature of
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