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5 施药时期和ABA浓度对面粉总淀粉及其组分含量的影响

Table 5 Effects of ABA concentration and spraying period on the contents of total starch and its components in wheat flour

处理 Treatment 直链淀粉含量 Amylase content (%) 支链淀粉含量Amylopectin content (%) 直/支比 Amylase/Amylopectin ratio 总淀粉含量 Starch content (%) 品种 Cultivars ZKM138 13.2b 54.6a 0.24b 67.8a MM367 15.2a 42.5b 0.36a 57.5b 喷施时期 Spraying period B3 14.2a 48.9a 0.30b 63.0a B1 14.1a 50.7a 0.29c 64.6a B4 14.2a 46.1b 0.32a 60.4b ABA浓度 ABA concentration CK 14.4a 44.4c 0.33a 58.8c C1 14.2b 48.8b 0.30b 62.7b C2 13.9c 52.5a 0.27c 66.4a F值 F-value 品种Cultivar (A) 1080.0** 191.3** 157.8** 129.8** 喷施时期Spraying period (B) 1.8ns 15.6** 27.1** 13.7** ABA浓度ABA concentration (C) 27.4** 65.0** 79.5** 51.3** 品种×喷施时期 A×B 9.0** 1.9ns 0.4ns 2.5ns 品种×ABA浓度 A×C 4.3* 4.6* 1.7ns 5.1* 喷施时期×ABA浓度 B×C 1.9ns 2.4ns 5.4** 2.0ns 品种×喷施时期×ABA浓度A×B×C 1.6ns 3.2* 2.7ns 2.6ns