Preliminary Study of Low Self-fertile Rate of ‘Kuijin' Apricot  

魁金杏自花结实率低的初步探讨（英文）

作　　者：韩雪平[1] 薛晓敏[1] 王金政[1] 

机构地区：[1]山东省果树研究所,山东泰安271000

出　　处：《Agricultural Science & Technology》2016年第4期810-813,共4页农业科学与技术（英文版）

基　　金：Supported by the National Key Technology R&D Program in the"12thFive-Year Plan"of China(2013BAD02B03-3-3);the Subtopic of Agricultural Seeds Engineering Projects of Shandong Province"Breeding of New Species of Stone Fruits and Berries"~~

摘　　要：To research the self-sterility of apricot, the pollen germination of ‘Kuijin＇apricot was conducted in vitro, and pollen viability was determined by germination on solid medium. Meanwhile, the effects of different media on its pollen germination and the growth of pollen tubes were analyzed. The results showed that the optimum media for pollen germination and growth of pollen tubes were 10% sucrose ＋0.1% boric acid and 5% sucrose ＋ 0.01% boric acid respectively. The self-pollination setting rate of ‘Kuijin＇ apricot was 4.70%, indicating that ‘Kuijin＇ apricot was self-incompatible. The reasons for the self-incompatibility of ‘Kuijin＇ were explored according to its pollen weight and pollen quantity. The results showed that self-pollinate setting rate of ‘Kuijin＇ apricot was closely related to the length of pollen tubes,but it had no direct correlation with pollen quantity.花粉活力测定采用固体培养基法,通过不同培养基组分对魁金花粉萌发和花粉管生长的影响进行了比较研究,最适花粉离体萌发和花粉管生长培养基组合分别为10%蔗糖+0.1%硼酸和5%蔗糖+0.01%硼酸;根据自花结实率4.70%证明魁金杏为自交不亲和类型,结合花粉重量和花粉量测定,初步探讨魁金杏自花结实率低的原因。结果表明:魁金杏自花结实率与花粉管长度关系最为密切,与花粉量没有直接的相关性。

关 键 词：APRICOT Pollen quantity Pollen viability Self-fertile setting 

分 类 号：S662.2[农业科学—果树学]