长江下游稻区不同类型双季晚粳稻产量与生育特性差异

殷敏,刘少文,褚光,徐春梅,王丹英,章秀福,陈松

Differences in Yield and Growth Traits of Different Japonica Varieties in the Double Cropping Late Season in the Lower Reaches of the Yangtze River

Min YIN,ShaoWen LIU,Guang CHU,ChunMei XU,DanYing WANG,XiuFu ZHANG,Song CHEN

表4 不同类型晚稻2017-2018年生育期差异

Table 4 Differences in growth period of different types of late rice from 2017 to 2018 (d)

年份 Year 类型 Type 营养生长期 Vegetative stage 穗发育期 Reproductive stage 灌浆期 Grain filling stage 全生育期 Growth period 2017 IR 58a 24a 35c 117c IJR 58a 21a 47b 126b HJR 58a 22a 48b 128ab IJHR 58a 23a 50a 131a 2018 IR 58a 25a 42b 125c IJR 57b 22ab 58a 136b HJR 59a 19b 62a 140ab IJHR 56b 24a 64a 143a ANOVA 品种类型 Type (T) 12.81** 4.93** 64.32** 41.02** 年份 Years (Y) 11.18** 0.00ns 115.18** 94.65** T×Y 12.81** 1.18ns 2.16ns 0.80ns