In plant breeding, a variety that serves as a source of characteristic such as insect resistance. A target parent in the crossing program expected to contribute the desired characteristics, e.g. donor for resistance, quality, etc. dormancy . A physical or physiological condition of a viable seed that suspends or prevents germination even in the presence of otherwise favorable germination conditions. Two crops grown in sequence on the same land in a production cycle. A cross between first generation hybrids of four separate inbred lines.
Spikelets have awns developing on both lemma and palea.
The awns may have unequal length. Used when seedlings once transplanted are uprooted again some 2-4 weeks after the first transplanting and planted in the final field. Homozygous diploid plants produced from anther or microspore culture. The stage in rice development which occurs during the ripening phase when the milky caryopsis inside the developing grain turns into soft dough and later into hard dough. To wet thoroughly by covering with water or another liquid.