不同时期施用脱落酸对玉米籽粒灌浆和脱水的影响

王兴亚, 陈宇涵, 张孟雯, 孙琳琳, 陈利容, 郭玉秋, 龚魁杰

The Effects of ABA Application at Different Stages on Maize Grain Filling and Dehydration

Wang Xingya, Chen Yuhan, Zhang Mengwen, Sun Linlin, Chen Lirong, Guo Yuqiu, Gong Kuijie

表1 大田试验不同生育期施用ABA对不同玉米品种产量及其构成因素的影响

Table 1 Effects of ABA application at different growth stages on yield and its components of different maize varieties in field experiment

时期 Stage 品种 Variety 处理 Treatment 产量 Yield (kg/hm2) 穗粒数 Kernel number per ear 千粒重 1000-grain weight (g) 收获指数 Harvest index 灌浆中期Mid-filling stage ZD958 CK 13 801.4±435.8b 530.7±19.5a 296.2±2.5b 0.53±0.00b ABA 14 517.0±92.6a 530.0±7.3a 320.5±1.8a 0.55±0.01a JNK728 CK 12 655.5±205.4b 445.3±11.8a 333.5±1.8b 0.53±0.00b ABA 13 800.1±366.2a 453.2±8.7a 375.1±11.5a 0.57±0.01a DK517 CK 11 167.4±17.4b 460.9±8.6b 316.4±2.6b 0.53±0.01b ABA 11 826.1±9.7a 497.1±3.0a 328.4±2.7a 0.56±0.01a 灌浆后期Late-filling stage ZD958 CK 13 840.7±101.5a 528.6±1.1a 299.5±1.0a 0.49±0.02a ABA 13 116.5±298.3b 520.8±2.1b 298.1±1.0a 0.48±0.01a JNK728 CK 12 541.4±171.9a 449.0±1.0a 339.6±3.5a 0.52±0.02a ABA 12 798.1±174.1a 453.2±1.3a 343.2±1.0a 0.53±0.03a DK517 CK 10 870.2±221.7a 447.2±1.0a 311.7±1.7a 0.51±0.01a ABA 11 021.5±436.8a 451.6±2.0a 306.8±1.5a 0.51±0.01a