WANG Cheng,ZHENG Hai-yan,ZHANG Xi-juan,et al.Screening and Matching Techniques of Rice Direct-seeding in Cold RegionⅡ. Variety Screening for Direct-seeding Japonica Rice[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(08):23-26.[doi:10.11942/j.issn1002-2767.2016.08.0023]
寒地直播稻品种筛选及配套技术研究Ⅱ.直播粳稻品种筛选
- Title:
- Screening and Matching Techniques of Rice Direct-seeding in Cold RegionⅡ. Variety Screening for Direct-seeding Japonica Rice
- 文章编号:
- 1002-2767（2016）08-0023-04
- Keywords:
- rice; direct seeding; emergence rate; variety screening; yield
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 为确保寒地水稻直播获得高产,采用盆栽方法对粳稻品种在水旱直播、高低温度条件下进行出苗率分析，结合田间产量鉴定，筛选适宜直播的粳稻品种。结果表明：水直播32个供试品种出苗率表现较好的有6个品种：龙粳29、龙粳31、龙粳39、绥粳4号、龙育1号、龙育2号；旱直播22个供试品种出苗率表现较好的有龙粳14、龙粳20、龙粳26、龙粳27、龙粳36、龙粳39、龙粳42、龙1356共8个品种。低温条件下，水直播的出苗率明显好于旱直播，旱直播同一品种高温区的出苗率明显高于低温区。田间表现，旱直播产量可达7 500.0 kg?hm-2以上。
- Abstract:
- In a pot trial,analysis on japonica rice emergence rate under the water and dry direct seeding and the high and low temperature, selected optimal direct-seeding varieties. The test results showed that six varieties had good emergence rate including Longjing 29,Longjing 31,Longjing 39,Suijing 4,Lorgyu 1 and Longyu 2 in water planting field;eight varieties in dry planting had good emergence rate induding Longjing 14,Longjing 20,Longjing 26,Longjing 27,Longjing 36,Longjing 39,Longjing 42 and Long 1356.In low temperature,emergence rate of water planting field was significant better than of dry planting, the same variety emergence of dry planting in the high temperature was higher than of the low temperature,dry direct seeding of the yield was 7 500.0 kg?hm-2.
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备注/Memo
收稿日期：2016-06-16