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CRITERION ON CLASSIFICATION OF POLLEN FERTILITY IN SOYBEAN(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2006年04期
Page:
339-343
Research Field:
Publishing date:

Info

Title:
CRITERION ON CLASSIFICATION OF POLLEN FERTILITY IN SOYBEAN
Author(s):
Sun Huan　Zhao Limei 　 Wang Shuming 　Wang Yueqiang 　Peng Bao 　Zhang Jingyong
(J ilin Academy of Agricultural Sciences , Gongzhuling , 136100)
Keywords:
Soybean ; Pollen sterility ; Criterion of classification
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2006.04.0339
Abstract:
　Complete male-sterile CMS A line, male-fertile B line , R line and 5 segregating populations wereused as genetic stocks in this experiment. 11 classes of percent sterile pollen rate was adopted to analyzedthe distribution of pollen sterility. The percentage of sterile pollen grains of male-sterile CMS A lines wasall above 95. 1 %. T he actual observed value was over 99%. The percentage of sterile pollen grains ofmale-fertile lines was within 10%and the actual observed value was within 5%. There were three peaks ofpercentage of sterile pollens in segregating populations. The first peak appeared at sterile pollen rate of 0～10%. All plants at this class showed highly fertile and 95%of those plants had 0～ 5%sterile pollens. Thesecond peak appeared at sterile pollen rate of 95. 1%～ 100% and actual observed percentage was above98%. The plant at this class were highly sterile. Another peak located between 40. 1%to 60%. It is typi-cal semi-sterility. Centered at this peak the number of the plants decrease progressively toward both ofmore sterile and more fertile directions. 10%and 95%were two cutting points. Based on the distributionof percent sterile pollen rates four classes of pollen fertility in soybean were suggested. Fertile :0 ～ 5%,Sterile :95. 1%～ 100%, Semi-sterile :10. 1 %～ 95%, Typical semi-sterile :40. 1 %～ 60%.

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Last Update: 2016-12-16