afterripening


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afterripening

[′af·tər‚rī·pən·iŋ]
(botany)
A period of dormancy after a seed is shed during which the synthetic machinery of the seed is prepared for germination and growth.
References in periodicals archive ?
With highly dormant seeds, an afterripening treatment is required to distinguish genotypic differences in dormancy strength and to realistically estimate genetic variance (Gu et al.
Germination of seeds at different days of afterripening (DAR) or nonafterripened caryopses and the characteristics shattering, awn, and black hull and red pericarp colors in weedy strain-derived B[C.
Cirsium pitcheri may be yet another member of the Asteraceae for which the m inimum temperatures for germination decrease during afterripening (Type 2 response of Vegis, 1964), observed in 22 of 32 species of the family tested (Baskin and Baskin, 1988; Buchele et al.
Forty, 55, 60, and 75 d of afterripening were required to achieve 50% germination for N22, LD, TKN12-2, and SS18-2, respectively.
The differences may be due to the additional afterripening of the Utah seeds, differences in preconditioning (Baskin and Baskin, 1973), or the two populations from different parts of the species range may be displaying adaptations to significant locally selective pressures (Thompson, 1981).
Afterripening for 12 mo at 30 [degrees] C did not release all seeds from primary dormancy, especially at the lowest MC.
Role of endogenous ethylene and inhibitory regulators during natural and induced afterripening of dormant Virginia-type peanut seeds.