水稻机械精量有序抛秧栽培的产量形成和生长发育特征研究

王慰亲, 唐启源, 陈元伟, 贾巍, 罗友谊, 王小卉, 郑华斌, 熊娇军

Evaluation of orderly mechanical seedling-broadcasting on yield formation and growth characteristics of rice

WANG Wei-Qin, TANG Qi-Yuan, CHEN Yuan-Wei, JIA Wei, LUO You-Yi, WANG Xiao-Hui, ZHENG Hua-Bin, XIONG Jiao-Jun

表3 黄华占和甬优1538在不同种植方式下的产量构成因子

Table 3 Yield components of Huanghuazhan and Yongyou 1538 under different rice establishment methods

年份 Year	品种 Variety	种植方式 Establishment methods	单位面积有效穗数 Panicle numbers per m²	每穗粒数 Spikelets per panicle	结实率 Seed setting rate (%)	千粒重 1000-grain weight (g)
2018	黄华占	手插秧 Manual transplanting	254.7 b	164.0 a	88.3 a	19.4 a
	Huanghuazhan	手抛秧 Manual seedling-broadcasting	340.0 a	156.6 a	85.6 a	19.7 a
		机抛秧 Mechanical seedling-broadcasting	308.0 a	158.7 a	88.5 a	19.4 a
		平均值 Mean value	300.9 A	159.8 A	87.5 A	19.5 A
	甬优1538	手插秧 Manual transplanting	190.7 b	320.6 a	70.5 b	20.0 a
	Yongyou 1538	手抛秧 Manual seedling-broadcasting	310.7 a	312.7 a	76.3 ab	20.7 a
		机抛秧 Mechanical seedling-broadcasting	313.3 a	307.7 a	79.7 a	20.3 a
		平均值 Mean value	271.6 A	313.7 A	77.6 A	20.9 A
2019	黄华占	手插秧 Manual transplanting	282.7 b	170.0 a	78.4 b	18.1 a
	Huanghuazhan	手抛秧 Manual seedling-broadcasting	372.0 a	146.8 b	79.3 ab	18.9 a
		机抛秧 Mechanical seedling-broadcasting	377.3 a	151.7 ab	83.4 a	19.1 a
		平均值 Mean value	344.0 A	156.2 A	80.4 B	18.7 A
	甬优1538	手插秧 Manual transplanting	193.3 b	303.4 a	76.2 b	21.1 a
	Yongyou 1538	手抛秧 Manual seedling-broadcasting	289.3 a	261.6 b	76.3 b	20.9 a
		机抛秧 Mechanical seedling-broadcasting	286.7 a	263.9 b	80.4 a	20.9 a
		平均值 Mean value	256.4 A	276.3 A	75.5 A	20.3 A