【摘要】 利用33个已知基因型的马铃薯晚疫病菌对云南省的马铃薯主栽品种及加工型品种进行抗病性分析及基因型推导。结果表明,参试品种合作88对含有8号小种的病原基因感病,表明品种合作88中含有抗性基因R8;M ira对含有3号小种的病原基因感病,说明品种M ira含有的抗性基因为R3;大多数供试品种已丧失了对晚疫病的抗病性;滇薯6号对87.9%的菌株表现高度的抗性。更多还原

【Abstract】 33 isolates of Phytophthora infestans known genotype were tested to analyse the resistance of the dominant and processing varieties to late blight in Yunnan province and infered the resisitance gene of these varieties.The result showed that the resistance gene of Mira and Hezuo88 is R3 and R8 respectively,most tested varieties have already lost their resistance to late blight."Dianshu 6 potato"can resist majority isolates with frequence of 87.9%.更多还原