文献类型：期刊文献

中文题名：柿花粉生活力及雌花可授期

英文题名：Viability Test with Persimmon Pollen with Reference to Receptivity of the Female Flower

作者：龚榜初[1] 洪月明[2] 吴士元[3] 吴连梅[3]

第一作者：龚榜初

机构：[1]中国林科院亚林所;[2]浙江安吉灵峰寺林场;[3]浙江庆元县林业局

年份：2000

卷号：18

期号：1

起止页码：26-28

中文期刊名：经济林研究

外文期刊名：ECONOMIC FOREST RESEACHES

收录：CSTPCD

基金：国家林业局亚热带林木培育重点实验室基金;浙江省林业厅种苗站资助

语种：中文

中文关键词：柿;花粉生活力;发芽条件;授粉适期

外文关键词：Persimmon ( Diospyros spp.); pollen viability; germination conditions; receptivity time.

分类号：S665.203.5;S334.22

摘要：柿不同物种品种的花粉粒大小、发芽率有极显著差异,花粉发芽率一般在40%以上,但完全甜柿、涩柿品种的发芽率较低。花粉在常温下仅能贮藏5d～10d,而常温干燥,低温干燥可分别贮藏15d～20d、30d以上。温度、庶糖浓度高低影响花粉发芽率,适宜硼浓度明显促进花粉萌发,柿花粉发芽适宜条件为温度25℃、2%琼脂+25%蔗糖+5～50mg·L-1硼砂。雌花开放后在1天～2天内授粉坐果率最高。
The size of persimmon pollen and the percent germination varied very significantly with species and varieties. Generally, germination of the pollen studied was over 40 percent; however, the pollination constant non-astringent type and the astringent type of persimmon showed a lower percent of germination. At room temperatures, the pollen could last for 5 to 10 days without losing its viability, and the storage time could be lengthened to 15 to 20 days at room temperatures under dry conditions and up to 30 days at low temperatures under dry conditions. The temperature and concentration of sucrose applied had a strong effect on germination, and boric acid with a proper concentration could promote germination to a remarkable extent. The optimal temperature for persimmon pollen to germinate properly was 25℃, and the satisfactory medium was composed of 2% agarose added with 25% sucrose and 5~50mg/L of boric acid. The female flowers showed the best receptivity when they were one to two days old.