外源ABA对两粒色小麦品种穗发芽及品质的影响

张雪,杨洪坤,郑亭,肖云,莫飘,樊高琼

Effects of Exogenous ABA on Pre-Harvest Sprouting Resistance and Quality of White and Red Wheat Cultivars

ZHANG Xue,YANG HongKun,ZHENG Ting,XIAO Yun,MO Piao,FAN GaoQiong

表2 喷施时期和ABA浓度对两粒色小麦品种穗发芽与粒发芽的影响

Table 2 Effects of ABA concentration and spraying period on spike germination and grain germination of white and red wheat cultivar

年份 Year 处理 Treatment 田间自然穗发芽率 Spike germination rate in field (%) 生理成熟期Physiological maturity (35DAA) 蜡熟期Dough stage (45DAA) 穗发芽率 Spike germination rate (%) 粒发芽率 Grain germination rate (%) 穗发芽率 Spike germination rate (%) 粒发芽率 Grain germination rate (%) ZKM138 MM367 ZKM138 MM367 ZKM138 MM367 ZKM138 MM367 ZKM138 MM367 2018 喷施时期 Spraying period B1 45.4a 2.9b 11.3b 10.6b 32.9b 12.7b 72.4b 62.0b 91.7a 91.0a B2 47.3a 3.9a 17.5a 12.4a 51.2a 19.3a 82.9a 72.5a 96.2a 91.3a ABA浓度 ABA concentration CK 51.9a 7.2a 22.7a 16.7a 49.8a 30.0a 85.1a 81.2a 95.3a 95.2a C1 42.8b 0.9c 8.8c 7.2c 36.0c 6.5c 70.0c 53.2c 91.5b 85.5b C2 44.4b 2.1b 11.7b 10.7b 40.3b 11.5b 77.9b 67.3b 95.0a 92.8a 平均Mean 46.4a 3.4b 14.4a 11.5b 42.1a 16.0b 77.6a 67.3b 93.9a 91.2a 2019 喷施时期 Spraying period B3 65.7a 17.1b 29.6a 19.7b 38.6ab 29.9a 76.0a 66.6a 83.6a 82.9a B1 65.6a 16.8b 23.2b 17.3c 34.4b 28.7a 67.1b 62.1b 73.0b 73.2b B4 66.5a 24.2a 30.4a 22.0a 43.8a 30.9a 79.7a 67.8a 87.7a 85.7a ABA浓度 ABA concentration CK 81.3a 32.4a 38.6a 28.6a 49.1a 35.0a 87.2a 75.0a 92.2a 85.9a C1 67.6b 14.8b 27.9b 17.5b 41.1b 29.4b 72.3b 65.7b 79.4b 82.0a C2 48.9c 11.0c 16.7c 12.8c 26.6c 25.0c 63.3c 55.8c 72.6c 73.9b 平均Mean 65.9a 19.4b 27.7a 19.7b 38.9a 29.8b 74.3a 65.5b 81.4a 80.6a