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当前位置: 首页 > 文章 > 沙芥花粉萌发特性和柱头可授性的研究 园艺学报 2008,35 (10) 1473-1478
Position: Home > Articles > Pollen Germination Characteristic and Stigma Receptivity of Pugionium cornutum Acta Horticulturae Sinica 2008,35 (10) 1473-1478

沙芥花粉萌发特性和柱头可授性的研究

作  者：
黄修梅;郝丽珍;胡宁宝;赵清岩;张进文;王六英;田志来
单  位：
内蒙古农业大学生态环境学院;内蒙古农业大学农学院
关键词：
沙芥;花粉;萌发特性;柱头可授性;温度;培养基
摘  要：
用培养基发芽法研究沙芥花粉萌发特性;用人工异株授粉法和联苯胺—过氧化氢法测定柱头可授期。结果表明:沙芥花粉萌发的最佳培养基是20%蔗糖+0.001%硼酸+0.5%琼脂;花粉能够萌发的温度范围为15～38℃,最适萌发温度为25℃;从花蕾充分膨大期至开花后16h花粉活力较强,开花后48h花粉基本无活力;花粉储藏的适宜条件为低温(4℃),储藏期为7d。柱头可授期为开花前48h至开花后96h,开花后24～72h可授性强。
译  名：
Pollen Germination Characteristic and Stigma Receptivity of Pugionium cornutum
作  者：
HUANG Xiu-mei1, HAO Li-zhen1, HU Ning-bao1, ZHAO Qing-yan1, ZHANG Jin-wen1, WANG Liu-ying2, and TIAN Zhi-lai1(1College of Agronomy, Inner Mongolia Agricultural University, Hohhot 010019,China;2College of Ecology and Environment, Inner Mongolia Agricultural University, Hohhot 010019,China)
关键词：
Pugionium cornutum; pollen; germination characteristic; stigma receptivity; temperature; medium
摘  要：
Pollen germination characteristic of Pugionium cornutum (L.) Gaertner was evaluated by germination method on culture medium, its stigma receptivity was estimated by the hand cross-pollination and benzidine-H2O2 method. The results showed the optimal pollen germination of P.cornutum was on the culture medium added 20% sucrose, 0.001% boric acid and 0.5% agar. The effective temperature of pollen germination was from 15 ℃ to 38 ℃ and the optimal temperature was 25 ℃. The pollen germination rate was very higher from the biggest bud stage to 16 h after blooming, and the pollen viability was disappeared 48 h after blooming. The suitable condition of storing pollen was low temperature(4 ℃), and storing period was 7 d. The stigma of P.cornutum had receptivity from 48 h before blooming to 96 h after blooming,the strong receptivity in 24-72 h after blooming.

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