双穗雀稗 Paspalum distichum ; Paspalum paspaloides ; kotgrass ; Paspalum paspaloides Scribn
双穗麻黄 Ephedra distachya
双穗雀稗群丛 Ass Paspalum paspaloides
双穗发育 double ear development
双穗求米草 undulatifolius beauv. var. binatus s.l.chen et y.x.jin
穗花双黄酮 Didemethyl-ginkgetin ; Amentoflavone
穗花杉双黄酮 amen to
长穗双剑 double long-eared swords
四倍体双穗雀稗兼性无孢子生殖的研究。
增产的主要贡献是双穗率提高，空秆率下降——每公顷有效穗数的增加。
The increasement of double ears and the decrease of empty stalk were main reason for obtaining high yield because their agronomical characters did not obviously changed.
结果表明，玉米双穗抽丝同步性和成穗同步性的加性、显性及其与环境互作的遗传效应均达到极显著水平。
The results showed that the additive and dominant effects and their interaction effects with environments are significant for the traits of double-ear silking and kernel bearing.
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