嫁接对马铃薯种间杂交亲和性的影响及生理调控机制

翟鑫娜, 杨佳伟, 许春江, 祁利潘, 田再民, 冯琰, 尹江, 龚学臣

Effects of Grafting on Interspecific Hybridization Compatibility of Potato and Its Physiological Regulation Mechanism

Zhai Xinna, Yang Jiawei, Xu Chunjiang, Qi Lipan, Tian Zaimin, Feng Yan, Yin Jiang, Gong Xuechen

表1 亲本预先嫁接对各种间杂交组合坐果率的影响

Table 1 Effects of parental pre grafting on fruit setting rate of various inter hybrid combinations

母本 Female parent 父本 Male parent 处理 Treatment 授粉花朵数 Number of pollinated flowers 坐果数 Fruit setting number 坐果率 Fruit setting rate (%) 实生籽数 Number of seeds 单果结实数 Single fruit real number G8 Z1703 对照 191 13 6.81 0 0.00 嫁接 100 46 46.00 6 0.13 G8 Z1701 对照 188 36 19.15 12 0.33 嫁接 112 7 6.25 1 0.14 G12 Z1703 对照 265 27 10.19 9 0.33 嫁接 108 24 22.22 6 0.25 G12 Z1701 对照 160 10 6.25 2 0.20 嫁接 154 6 3.90 0 0.00