| 不同放鸭与种植密度对有机栽培水稻干物质积累、转运及产量的影响 |
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| 引用本文： | 卢苇,周璇,许桂玲,冯跃华,罗强鑫,李杰,韩志丽,王晓珂,彭金凤.不同放鸭与种植密度对有机栽培水稻干物质积累、转运及产量的影响[J].中国稻米,2022,28(4):67-73. |
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| 作者姓名： | 卢苇 周璇 许桂玲 冯跃华 罗强鑫 李杰 韩志丽 王晓珂 彭金凤 |
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| 作者单位： | 1.贵州大学 农学院,贵阳 550025;2.普定县农业农村局,贵州 普定 562100;3.贵州大学 山地植物资源保护与种质创新教育部重点实验室,贵阳 550025 |
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| 基金项目： | 国家自然科学基金(31360311);国家自然科学基金(31160263);公益性行业（农业）科研专项子项目(201503118-03);贵州省农业科技攻关项目(黔科合支撑[2019]2303号);贵州省农业科技攻关项目(黔科合支撑[2016]2563号);贵州省农业科技攻关项目(黔科合NY[2013]3005号);贵州省农业科技攻关项目(黔科合NY[2011]3085号);贵州省特色粮油作物栽培与生理生态研究科技创新人才团队(黔科合平台人才[2019]5613号);贵州省高层次创新型人才项目(黔科合平台人才[2018]5632);贵州省高层次创新型人才项目(黔科合平台人才[2018]5632-2);贵州省普通高等学校粮油作物遗传改良与生理生态特色重点实验室项目(黔教合KY字[2015]333);贵州省生物学一流学科建设项目(GNYL[2017]009) |
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| 摘 要： | 为探明不同放鸭与种植密度对有机栽培水稻干物质生产特性的影响,于2020年在贵州省三穗县以宜香优2115为材料,开展了放鸭密度为主区、种植密度为副区的两因素裂区设计试验。结果表明,随着放鸭密度的增加,水稻孕穗期和抽穗期的叶面积指数均呈现先升高后下降的趋势,且以450只/hm2处理最高。同时放鸭处理提高了水稻生育前期、后期干物质积累,但减少了中期干物质积累。相对于不放鸭处理,放鸭处理明显提升每穗粒数。水稻产量随放鸭密度的增加呈现先上升后下降的趋势。高种植密度可提高最高茎蘖数,提升叶面积指数,提高各生育时期干物质积累和转运,并可显著提高产量。放鸭密度为634只/hm2、栽培密度为19.1万丛/hm2时可获得最高产量7 131.12 kg/hm2。
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| 关 键 词： | 水稻 有机栽培 放鸭密度 种植密度 干物质积累 产量 |
| 收稿时间： | 2021-12-25 |
Effects of Different Duck Density and Planting Density on Dry Matter Accumulation,Translocation and Yield of Organic Cultivation Rice |
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| LU Wei,ZHOU Xuan,XU Guiling,FENG Yuehua,LUO Qiangxin,LI Jie,HAN Zhili,WANG Xiaoke,PENG Jin feng.Effects of Different Duck Density and Planting Density on Dry Matter Accumulation,Translocation and Yield of Organic Cultivation Rice[J].China Rice,2022,28(4):67-73. |
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| Authors: | LU Wei ZHOU Xuan XU Guiling FENG Yuehua LUO Qiangxin LI Jie HAN Zhili WANG Xiaoke PENG Jin feng |
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| Institution: | 1.College of Agronomy, Guizhou University, Guiyang 550025, China;2.Puding County Agricultural and Rural Bureau, Puding, Guizhou 563300, China;3.Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region, Ministry of Education, Guiyang 550025, China |
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| Abstract: | In order to ascertain the effects of different duck density and planting density on dry matter production characteristics of organic cultivation rice, a two-factor split plot design experiment was carried out with Yixiangyou 2115 as the material in Sansui County in 2020, in which duck density was the main plot factor and planting density was the sub plot factor. The results showed that the leaf area index of rice at booting and heading stage increased first and then decreased with the increase of duck density, and the highest value was found at 450 ducks/hm2. At the same time, stoching duck increased dry matter accumulation in early and late growth period of rice, but reduced dry matter accumulation in middle growth period. Compared with the treatment without duck, the spikelet number per panicle was significantly improved in the treatment with duck. The yield of rice increased first and then decreased with the increase of duck density. High planting density increased the highest tiller number, leaf area index, dry matter accumulation and translocation at different growth stages, and significantly increased yield. The highest yield was 7 131.12 kg/hm2 when the stocking density was 634 ducks/hm2 and the planting density was 191 000 clumps/hm2. |
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| Keywords: | rice organic cultivation duck density planting density dry matter accumulation yield |
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