花生耐冷综合评价体系构建及耐冷种质筛选

张鹤, 蒋春姬, 殷冬梅, 董佳乐, 任婧瑶, 赵新华, 钟超, 王晓光, 于海秋

Establishment of comprehensive evaluation system for cold tolerance and screening of cold-tolerance germplasm in peanut

ZHANG He, JIANG Chun-Ji, YIN Dong-Mei, DONG Jia-Le, REN Jing-Yao, ZHAO Xin-Hua, ZHONG Chao, WANG Xiao-Guang, YU Hai-Qiu

表2 花生幼苗期耐冷性分级标准

Table 2 Classification criteria for cold tolerance of peanut seedlings

级别 Rank 耐冷表现 Phenotype 耐冷性标记 Marker 9 所有叶片青绿或接近青绿 All leaves are green or close to green 极强 High tolerance (HT) 7 叶片有一点脱色或黄色 Leaves are slightly discolored or yellow 强 Tolerance (T) 5 叶片大部分黄化 Most of the leaves are yellow 中 Middle (M) 3 50%叶片干枯, 有些苗死亡 Fifty percent of the leaves are withered and some seedlings die 弱 Sensitive (S) 1 大部分或者全部苗死亡 Most or all seedlings die 极弱 High sensitive (HS)