四倍体小麦与六倍体小麦杂种的染色体遗传特性

罗江陶, 郑建敏, 蒲宗君, 范超兰, 刘登才, 郝明

Chromosome transmission in hybrids between tetraploid and hexaploid wheat

LUO Jiang-Tao, ZHENG Jian-Min, PU Zong-Jun, FAN Chao-Lan, LIU Deng-Cai, HAO Ming

表1 各杂交组合F1套袋自交结实率

Table 1 Self-crossing seed-setting rate of F1 population of each hybrid combination

组配类型 Combination type 杂交组合 Cross combination 小穗数 Number of spikelets 结实数 Solid number 结实率 Seed-setting rate (%) 六倍体/四倍体 Hexaploid/tetraploid P1561/PI185192* — — — 13L2069/PI113961* — — — 亲2142/PI415152 Qin 2142/PI415152 64 5 7.8 亲2122/PI34945 Qin 2122/PI34945 404 288 71.3 亲2120/PI223171 Qin 2120/PI223171 389 161 41.4 亲2120/CITR14139 Qin 2120/CITR14139 431 267 62.0 贵协2号/PI185192 Guixie 2/PI185192 141 21 14.9 贵协011-2/PI190973 Guixie 011-2/PI190973 91 4 4.4 Li-50/PI185192 302 4 1.3 Li-50/PI113961 128 25 19.5 Li-22/PI190973 634 18 2.8 13L2071-2/PI190973 340 24 7.1 总计Total 2924 817 27.9 四倍体/六倍体 Tetraploid/hexaploid PI185192/WJN1428* — — — PI94666/川麦608 PI94666/Chuanmai 608 480 90 18.8 PI352369/贵协011-1 PI352369/Guixie 011-1 182 49 26.9 PI191808/WJN1428 230 72 31.3 PI185192/亲2147 PI185192/Qin 2147 417 106 25.4 PI185192/亲2122 PI185192/Qin 2122 223 142 63.7 CITR14139/WJN1428 125 184 147.2 AS2255/亲2120 AS2255/Qin 2120 83 63 75.9 总计 Total 1740 706 40.6