摘要
在冰草(Agropyroncristatum)种子发育过程中,随着种子的发育成熟,种子含水量逐渐下降,种子的干物质不断增加,直到盛花期后第30天达到生理成熟,含水量降到25.04%,干重达到最大为1.754mg/粒。采用7种活力测定方法的研究结果表明,随着种子的发育成熟,种子活力不断增加,在盛花期后第35天,种子活力达到最高水平。
Seed moisture content gradually decreased and seed dry matter increased during the seed development of Agropyron cristatum . Seed physiological maturity was achieved 30 days after peak anthesis with seed moisture content reduced to about 25.04% and dry matter reaching about 1.754 mg/seed. Seven test methods were used to study seed vigour of A. cristatum during seed development. Seed vigour continually increased with seed development, reaching maximum vigour 35 days after peak anthesis.
出处
《草业学报》
CSCD
2004年第2期94-98,共5页
Acta Prataculturae Sinica
基金
农业部948项目(202099)
高等学校博士点专项科研基金资助课题(2000001906)内容。
关键词
冰草
种子发育
活力变化
Agropyron cristatum
seed development
vigour changes
