通过组织培养筛选番茄抗早疫病突变体  

SELECTION OF TOMATO MUTANT-RESISTANT TO ALTERNARIA SOLANI BY TISSUE CULTURE

作　　者：赵晓明[1] 李明山[1] 宋秀英[1] 

机构地区：[1]山西农业大学园艺系

出　　处：《山西农业大学学报》1996年第4期350-353,共4页

基　　金：山西省青年科学基金

摘　　要：用感病番茄品种的子叶进行组织培养，以早疫病菌培养滤液为选择剂进行了抗病突变体筛选。经７次继代筛选，获得５１块抗性愈伤组织，分化出８株再生植株。经人工接种抗病性鉴定表明８株再生植株均为抗病植株，病情指数为６．２５。４９株对照再生植株病情指数为８９．２９，其中有一株也是抗病植株。原品种的病情指数为９３．３３。Resistance to A.solani culture filtrate was selected in tissue cultures derived from cotyledon in a susceptible tomato cultivar.Fifty-one resistant calli were obtained after 7 selecting cycles,and 8 plants were regenerated from these calli.All of the 8 plants demonstrated resistance to A.solani when they were inoculated with the fungal spores.The infect index was 6 25.Among 49 regenerated plants from control calli,which infect index was 89 29,one plant was also resistance to the disease.The infect index of the selected cultivar was 93 33.

关 键 词：番茄 早疫病 突变体 组织培养 抗病性 

分 类 号：S641.203.5[农业科学—蔬菜学]