豫南再生稻研究进展与发展对策
收稿日期: 2024-08-23
网络出版日期: 2025-05-14
基金资助
国家现代农业产业技术体系建设专项资金“国家水稻产业技术体系信阳综合试验站”(CARS-01-101);河南省现代农业产业技术体系建设项目“河南省水稻产业技术信阳综合试验站”(HARS-22-03-Z02);河南省科技攻关项目“豫南再生稻提质增效关键技术研究与应用”(232102110035)
Research Progress and Development Straitegies on Ratoon Rice in Southern Henan
Received date: 2024-08-23
Online published: 2025-05-14
本文介绍了豫南地区再生稻的生产现状，综述了近年来该区域在再生稻生态适应性、品种鉴定、高产栽培技术以及栽培模式创新等方面的研究进展，并提出了豫南稻区再生稻“四早一高”栽培策略，即“选择早中熟品种、适期提早播种育秧、适时早移栽、及时早收获头季稻，以及头季稻收获时高留桩”等。同时，明确了适宜在豫南稻区作再生稻品种的具体农艺指标：生育期120~136 d，每穗粒数129~173粒，单株分蘖数达到或超过11.5个，且头季稻收割后第5天再生芽出鞘率≥75.3%。此外，文章还指出了豫南地区再生稻生产中面临的挑战，包括早春育秧时易受低温冷害影响、促芽肥施用难以到位、机械收割损失率高以及稻谷补贴政策难以有效落实等问题。针对这些问题提出了相关解决方案。
余贵龙, 赵海英, 李歌星, 刘祥臣, 谷孟轩, 丰大清, 胡杨, 张强, 彭廷, 刘亚丽, 扶定 . 豫南再生稻研究进展与发展对策[J]. 中国稻米, 2025 , 31(3) : 14 -20 . DOI: 10.3969/j.issn.1006-8082.2025.03.003
This paper introduces the current production status of ratoon rice in southern Henan and provides a comprehensive overview of recent research progress in this region concerning the ecological adaptability, variety identification, high-yield cultivation techniques, and innovation in cultivation models of ratoon rice. It also proposes a “four-early and one-high” cultivation strategy for ratoon rice in southern Henan, which involves “selecting early- to mid-maturing varieties, sowing and nurturing seedlings earlier at an appropriate time, transplanting seedlings early in a timely manner, harvesting the main crop early, and maintaining a high stubble height at the time of main crop harvest”. Meanwhile, specific agronomic indicators suitable for ratoon rice varieties in southern Henan are clarified: a growth duration of 120 to 136 days, 129 to 173 grains per panicle, a tiller number per plant reaching or exceeding 11.5, and a ratooning bud sheath emergence rate of ≥75.3% on the 5th day after the main crop harvest. Furthermore, the paper highlights the challenges faced in ratoon rice production in southern Henan, including vulnerability to low-temperature and cold damage during early spring seedling raising, difficulties in effectively applying bud-promoting fertilizer, high loss rates during mechanical harvesting, and the ineffective implementation of rice subsidy policies. To address these issues, relevant solutions are proposed.
Key words： ratoon rice; research progress; development straitegy; Henan
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