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Qualitative evaluation of low-ALA linseed mutants and the utilization technology of half-seed method
Author(s): HUANG Fenglan, ZHENG Wei, HU Guofu, LI Xinwen, HU Baozhong
Pages: 82-
85
Year: 2004
Issue:
4
Journal: CHINESE JOURNAL OF OIL CROP SCIENCES
Keyword: 胡麻; 单粒选择; 印迹法; 半粒法;
Abstract: 用印迹法和半粒法对胡麻脂肪酸变异系E1747与内亚3号正、反交后代种子无胚端亚麻酸含量进行了定性鉴定,并使入选的低亚麻酸含量种子的胚芽端再生幼苗.实验结果表明,采用印迹法定性鉴定正、反交后代种子,筛选无胚端油斑染色后颜色明显比亲本内亚3号浅的,即亚麻酸含量低的材料,再采用半粒法使其胚芽端再生幼苗,这是进行低亚麻酸材料筛选、保存与繁育的一种可靠方法.半粒法再生幼苗过程如下:无菌条件下将种子横切成两半→胚芽端接种到有无菌湿滤纸的培养皿内→20℃、光照培养16h和15℃、黑暗培养8h→将幼苗移至小营养钵中→在室内阴暗处缓苗1d→移至室温光照条件下培养→幼苗至5cm高度时移至大营养钵中.
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