High Yield Cultivation Model of New Rice Varieties Qianxiangyou 616 and Qianyou 531
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摘要:
水稻良种良法配套作为我国水稻产量提高的重要经验和法宝在水稻产量增长中发挥重要作用。2022年四川省内江市农业科学院利用联合选育的高产水稻品种千乡优616、千优531，开展人工移栽、机械移栽（机插秧）和直播3种不同栽培模式对比试验，对品种不同栽培模式的优劣性、适应性和经济性进行分析，找出适合品种自身的高产稳产种植模式，为千乡优616、千优531的推广应用提供一定参考。
Abstract:As an important experience and magic weapon to increase rice yield, matching of rice varieties and methods plays an important role in increase of rice yield．In 2022, Neijiang Academy of Agricultural Sciences conducted comparative experiments on three different cultivation modes: manual transplanting, mechanical transplanting（machine transplanting）, and direct seeding, using jointly selected high-yield rice varieties Qianxiangyou 616 and Qianyou 531．Advantages, disadvantages, adaptability, and economy of different cultivation modes of variety were analyzed, suitable high and stable yield planting mode for the variety itself were identified, to provide certain reference for promotion and application of Qianxiangyou 616 and Qianyou 531．
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Keywords:
- rice /
- Qianxiangyou 616 /
- Qianyou 531 /
- cultivation model
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表 1 不同栽培模式试验数据比较
Table 1. Comparison of experimental data of different cultivation modes
种植模式 千乡优616 千优531 直播 机插秧 人工插秧 直播 机插秧 人工插秧 生育期/d 146 156 153 145 153 151 株高/cm 113.6 120.2 120.5 111.7 115.8 116.2 基本苗/（万株·hm−2） 63.0 72.0 70.5 64.5 76.5 73.5 最高苗/（万株·hm−2） 480.0 274.5 280.5 525.0 283.5 288.0 有效穗/（万穗·hm−2） 264.0 222.0 217.5 271.5 226.5 228.0 穗着粒/粒 175.4 196.9 198.8 187.6 200.5 201.3 结实率/% 82.5 82.5 82.9 82.6 83.5 83.3 千粒质量/% 28.4 28.6 28.5 26.1 26.2 26.2 倒伏率/% 12 1 2 0 0 0 理论产量/（kg·hm−2） 10849.35 10313.85 10215.90 10980.60 9935.10 10016.70 实收产量/（kg·hm−2） 10089.90 9591.90 9500.70 10211.85 9239.55 9315.60 
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