中国蔬菜Issue(4)：29-33,5.
秋水仙素注射大蒜花苞诱导四倍体的研究
Studies on Tetraploid Induction of Garlic Bud by Colchicine Injection
摘要
Abstract
In order to acquire tetraploid garlic(Allium sativum L.),diploid garlic buds were injected with 0.05%,0.10%,0.15% and 0.20% colchicine,respectively.Then the aerial bulbils in garlic buds were cultured in MS medium combined by different growth regulators.After a regeneration system was constructed,polyploid appraisal was conducted on the root tip.The result indicated that more aerial bulbils were able to germinate on the MS basic culture medium adding 0.05 mg·L-1 NAA and 2.0 mg·L-1 KT.The aerial bulbils with 4-5 mm diameter had the highest germination rate.The germination rate of‘Cangshancaosuan’bulbils was higher than that of‘Jinsuan No.3’.When the garlic buds were injected with colchicines,the mortality of‘Jinsuan No.3’ bud was much higher than that of‘Cangshancaosuan’.The number and size of the formed aerial bulbils were decreased and the rate of doubled chromosome was increased along with the increase of colchicine concentration. The highest doubling rate of‘Cangshancaosuan’was obtained by the treatment of injecting the buds with colchicine concentration at 0.20%,and its induction rate was 7.69%.The highest doubling rate of‘Jinsuan No.3’was obtained by injecting the buds with colchicine concentration at 0.15%,then its induction rate could reach the highest - 11.76%.关键词
大蒜花苞/气生鳞茎/组织培养/四倍体/秋水仙素Key words
Garlic bud/Aerial bulbil/Tissue culture/Tetraploid/Colchicine引用本文复制引用
薛小艳,刘世琦,郭会平,孙亚丽,于新会,连海峰..秋水仙素注射大蒜花苞诱导四倍体的研究[J].中国蔬菜,2014,(4):29-33,5.基金项目
“十二五”农村领域国家科技计划项目 （）
