Comparison of Yield and its Components between Machine-transplanted Seedlings Rice and Dry Direct Seeded Rice in Saline-alkali Soil

doi:10.3969/j.issn.1006-8082.2021.06.010

China Rice ›› 2021, Vol. 27 ›› Issue (6): 50-52.DOI: 10.3969/j.issn.1006-8082.2021.06.010

• Special Thesis & Basic Research • Previous Articles Next Articles

Comparison of Yield and its Components between Machine-transplanted Seedlings Rice and Dry Direct Seeded Rice in Saline-alkali Soil

Xiuru WU¹, Jian LIU^1,^*(), Fei ZHAO^1,^*(), Yakun YANG¹, Gaoyi CAO¹, Jin DU¹, Chunyang XIANG¹, Shuling GUO²

¹College of Agronomy & Resources and Environment, Tianjin Agricultural University, Tianjin 300384, China
²Tianjin Baodi Biological Center,Tianjin 301800, China

Received:2021-07-20 Online:2021-11-20 Published:2021-11-20
Contact: Jian LIU, Fei ZHAO

盐碱地条件下机插秧与旱直播水稻产量及其构成因子比较

吴秀茹¹, 刘建^1,^*(), 赵飞^1,^*(), 杨娅坤¹, 曹高燚¹, 杜锦¹, 向春阳¹, 郭淑玲²

¹天津农学院农学与资源环境学院,天津 300384
²天津市宝坻区生物中心,天津 301800

通讯作者: 刘建,赵飞
基金资助:
天津市科学技术局农村科技帮扶工程（18ZXBFNC00300;19ZXBTSN00160）;天津市武清区科技计划项目（WQKJ20193）

Abstract

Abstract:

Four main rice varieties in Tianjin were used as test materials, and two models of machine-transplanted seedling and dry direct seeding were used for planting, the yield, yield component factors and economic benefits of the two cultivation models were compared. The results showed that the plant height of dry direct seeded rice was significantly lower than that of machine-transplanted seedling rice, the effective panicle number per unit area, panicle length, 1 000 grain weight, number of grains per panicle, seed setting rate and actual yield varied with varieties. In terms of economic benefits, the dry direct seeding mode is higher than the machine transplanting mode.

Key words: rice, machine-transplanted seedling, dry direct seeding, yield, yield components

摘要：

以天津市4个水稻主栽品种为供试材料,采用机插秧和旱直播两种模式进行种植,比较了两种栽培模式水稻的产量、产量构成因子以及经济效益。结果表明,旱直播条件下的水稻株高显著低于机插秧,两种模式下水稻单位面积有效穗数、穂长、千粒重、每穗粒数、结实率和实际产量因品种而异。从经济效益来看,旱直播高于机插秧。

关键词: 水稻, 机插秧, 旱直播, 产量, 产量构成因子

CLC Number:

S511.048

Xiuru WU, Jian LIU, Fei ZHAO, Yakun YANG, Gaoyi CAO, Jin DU, Chunyang XIANG, Shuling GUO. Comparison of Yield and its Components between Machine-transplanted Seedlings Rice and Dry Direct Seeded Rice in Saline-alkali Soil[J]. China Rice, 2021, 27(6): 50-52.

吴秀茹, 刘建, 赵飞, 杨娅坤, 曹高燚, 杜锦, 向春阳, 郭淑玲. 盐碱地条件下机插秧与旱直播水稻产量及其构成因子比较[J]. 中国稻米, 2021, 27(6): 50-52.

Figures/Tables 2

References 23

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Comparison of Yield and its Components between Machine-transplanted Seedlings Rice and Dry Direct Seeded Rice in Saline-alkali Soil

盐碱地条件下机插秧与旱直播水稻产量及其构成因子比较

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