不同施氮量对半干旱区糯玉米主要营养品质及产量的影响

吴凤婕, 侯楠, 齐翔鲲, 杨克军, 付健, 王玉凤

Effects of Different Nitrogen Application Rates on Main Nutritional Quality and Yield of Waxy Corn in Semi-Arid Area

Wu Fengjie, Hou Nan, Qi Xiangkun, Yang Kejun, Fu Jian, Wang Yufeng

表4 不同施氮量下糯玉米直链淀粉含量

Table 4 Amylose content of waxy corn under different nitrogen application rates %

品种 Variety 处理 Treatment 吐丝后天数Days after silking 15 d 20 d 25 d 30 d 35 d 40 d 45 d 金糯262 Jinnuo 262 N0 0.58a 1.08a 1.23a 1.61a 2.27a 2.56a 3.22a N1 0.35b 0.62c 0.91c 1.16b 1.42b 1.72b 2.32c N2 0.40b 1.12a 1.33a 1.49a 2.18a 2.40a 3.12a N3 0.37b 0.77b 1.06b 1.24b 2.13a 2.57a 2.75b 京科糯2000 Jingkenuo 2000 N0 0.66b 1.04a 1.31a 1.68a 2.25a 2.92a 3.09a N1 0.77a 0.95a 1.09b 1.81a 2.24a 2.30b 2.96ab N2 0.54c 1.00a 1.29a 1.76a 1.96b 2.16c 2.82b N3 0.28d 0.33b 1.25a 1.77a 1.89b 2.11c 2.46c FV ** * ** ** ns ** ns FN ** ** ** ** ** ** ** FV×N ** ** * ** ** ** **