元宵贺词
Reproductive biology of tree lucerne
(Chamaecytisus palmensis, Leguminosae)期刊名称: New Zealand Journal of Botany
熊猫的拼音作者: C. J. Webb,Juliet E. Shand思维的乐趣
年份: 1985年怎么隐藏qq等级
期号: 第4期
关键词: tree lucerne;tagasaste;Chamaecytisus财务管理实训报告>处女和双鱼
palmensis;Leguminosae;reproductive biology;pollination;fruit production;ed production;fruit abortion;ed abortion
段落摘要:The reproductive biology of tree lucerne or tagasaste, Chamaecytisus palmensis (Leguminosae), was investigated for two populations, one naturalid and one cultivated, on the Port Hills, Canterbury. The populations flowered in late winter and spring. The numerous white flag blossom
s contained nectar and were visited by a variety of incts, but only bumble-bees were effective in operating the flowers: both bumble-bees and honey bees rob the flowers of nectar through the calyx but this does not usually directly damage the ovary. Self-pollination was recorded at the late bud stage and pollen germinated on the stigmas and penetrated the styles of the unvisited, untripped flowers. The species is lf-compatible. Under open pollination, fruit production varied from 4 to 55% for individual trees. Although many ovules began to
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