施氮量与氮磷钾配比对小粒型杂交稻源库特性的影响

潘群肖, 龙超, 卓乐, 殷超, 肖敏, 周文新, 易镇邪

Effects of Nitrogen Application Rate and N-P-K Ratio on Source-Sink Characteristics of Small-Seed Hybrid Rice

Pan Qunxiao, Long Chao, Zhuo Le, Yin Chao, Xiao Min, Zhou Wenxin, Yi Zhenxie

表4 施氮量与氮磷钾配比对小粒杂交稻叶片SPAD值的影响

Table 4 Effects of nitrogen application rate and N-P-K ratio on SPAD value of small-seed hybrid rice

处理 Treatment 2023 2024 分蘖期 Tillering stage 孕穗期 Booting stage 齐穗期 Full heading stage 灌浆中期 Mid-filling stage 分蘖期 Tillering stage 孕穗期 Booting stage 齐穗期 Full heading stage 灌浆中期 Mid-filling stage N1 39.46c 42.57b 42.22b 38.20b 39.92b 43.14b 41.45b 38.29b N2 41.91b 44.68ab 43.64ab 39.03b 41.34b 43.53b 42.35b 39.58b N3 42.40ab 45.30a 44.40a 40.61ab 42.08ab 45.53ab 44.41ab 41.53ab N4 44.33a 46.37a 45.11a 41.14a 43.50a 46.23a 45.35a 42.40a F1 41.86a 44.46a 43.73a 39.53a 41.67a 44.41a 43.18a 40.24a F2 42.04a 44.68a 43.96a 39.81a 41.50a 44.46a 43.51a 40.53a F3 42.18a 45.05a 43.84a 39.90a 41.97a 44.79a 43.48a 40.58a N1F1 39.13c 41.67b 41.63b 37.43b 39.83b 42.89b 40.85b 37.45c N1F2 39.43c 42.83b 42.47b 38.80b 39.87b 43.03b 41.56b 38.46bc N1F3 39.83c 43.20b 42.57b 38.37b 40.07b 43.51b 41.95b 38.95bc N2F1 41.77bc 44.63ab 43.71ab 38.80b 41.53ab 43.37b 42.12b 39.34b N2F2 41.93b 44.43ab 43.43ab 38.47b 40.73b 43.24b 42.39b 39.61b N2F3 42.03b 44.97ab 43.77ab 39.83ab 41.77ab 43.98b 42.54b 39.79b N3F1 42.37ab 45.21a 44.53ab 40.43ab 42.10a 44.81ab 44.02ab 41.23ab N3F2 42.41ab 45.17ab 44.77a 40.78ab 41.72ab 45.34ab 44.53ab 41.62ab N3F3 42.43ab 45.53a 43.90ab 40.63ab 42.43a 45.78ab 44.67a 41.73ab N4F1 44.17ab 46.33a 45.03a 41.47a 43.23a 46.57a 45.74a 42.93a N4F2 44.39a 46.27a 45.17a 41.17a 43.67a 46.23a 45.57a 42.43a N4F3 44.43a 46.51a 45.13a 40.78ab 43.60a 45.89ab 44.74a 41.84ab N ** ** ** ** ** ** ** ** F ns * ns ns ns ns ns ns N×F ns ** ns * ns ns * ns