草莓属植物种质资源对炭疽病抗性的离体评价

韩永超,曾祥国,向发云,过聪,张庆华,陈丰滢,关伟

In vitro Evaluation of Strawberry Germplasm Resources for Resistance to Anthracnose

YongChao HAN,XiangGuo ZENG,FaYun XIANG,Cong GUO,QingHua ZHANG,FengYing CHEN,Wei GUAN

表2 不同种类草莓资源接种果生炭疽菌后的病情指数

Table 2 Disease index of different strawberry resources after inoculated with C. fructicola

种类 Species 倍性 Chromosome ploidy 份数 Number of accessions 叶面病斑数量 Lesion number on leaf surface 叶面病斑直径 Lesion diameter on leaf surface (cm) 叶柄病斑长度 Lesion length on petiole (cm) 叶柄病情指数 Disease index of petiole 东北草莓F. mandschurica 2x 3 0 0 0.03 (0.02-0.04) 3.09a (1.85-4.94) 黄毛草莓F. nilgerrensis 2x 3 0.93 (0-2.00) 0.24 (0-0.69) 0.27 (0.02-0.40) 20.99ab (14.81-28.40) 绿色草莓F. viridis 2x 4 0.06 (0-0.25) 0.02 (0-0.07) 0.05 (0.02-0.09) 6.48a (2.47-9.88) 森林草莓F. vesca 2x 2 0.51 (0.44-0.58) 0.29 (0.10-0.49) 0.11 (0.11-0.12) 12.35 (11.11-13.58) 西藏草莓F. nubicola 2x 1 2.00 0.28 0.24 30.86 五叶草莓F. pentaphylla 2x 2 0.94 (0.56-1.33) 0.09 (0.09-0.09) 0.38 (0.33-0.43) 31.48 (28.40-34.57) 东方草莓F. orientalis 4x 2 0.08 (0-0.17) 0.01 (0-0.01) 0.04 (0.02-0.07) 6.17 (2.47-9.88) 伞房草莓F. corymbosa 4x 1 3.50 2.22 5.62 100.00 西南草莓 F. moupinensis 4x 2 1.38 (0.44-2.31) 0.06 (0-0.11) 0.10 (0.09-0.10) 11.11 (11.11-11.11) 麝香草莓F. moschata 6x 1 0.11 0.01 0.11 11.11 弗州草莓F. virginiana 8x 2 0.11 (0-0.22) 0.01 (0-0.02) 0.13 (0.11-0.16) 11.73 (11.11-12.35) 智利草莓F. chilioensis 8x 1 1.08 0.47 0.14 11.11 凤梨草莓F. × ananassa 8x 41 1.34 (0-7.44) 0.10 (0-0.59) 0.46 (0.04-2.22) 33.75b (4.94-85.19) 种间杂交种Interspecific hybrids 8x, 10x 6 0.26 (0-0.89) 0.02 (0-0.05) 0.14 (0.07-0.20) 19.14ab (6.17-28.40)