长江中下游地区常规中熟粳稻产量、品质及氮素吸收性状的相互关系分析
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刘秋员, 周磊, 田晋钰, 程爽, 陶钰, 邢志鹏, 刘国栋, 魏海燕, 张洪程
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Relationships among grain yield, rice quality and nitrogen uptake of inbred middle-ripe japonica rice in the middle and lower reaches of Yangtze River
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LIU Qiu-Yuan, ZHOU Lei, TIAN Jin-Yu, CHENG Shuang, TAO Yu, XING Zhi-Peng, LIU Guo-Dong, WEI Hai-Yan, ZHANG Hong-Cheng
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表2 供试品种(系)稻米品质的变异
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Table 2 Variation of tested varieties (lines) in rice quality traits
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指标 Trait | 2017 | 2018 | 最小值 Minimum | 最大值 Maximum | 平均值 Mean | 变异系数 CV (%) | 最小值 Minimum | 最大值 Maximum | 平均值 Mean | 变异系数 CV (%) | 糙米率 BR (%) | 82.00 | 86.58 | 85.52 | 0.93 | 83.43 | 86.75 | 85.28 | 0.90 | 精米率 MR (%) | 67.50 | 78.10 | 73.97 | 2.70 | 63.74 | 75.54 | 70.09 | 3.65 | 整精米率 HR (%) | 47.18 | 74.86 | 63.89 | 8.47 | 39.22 | 70.79 | 58.14 | 12.09 | 垩白粒率 CKR (%) | 10.23 | 88.70 | 35.80 | 51.18 | 11.20 | 90.73 | 33.98 | 49.89 | 垩白大小 CA (%) | 15.44 | 41.29 | 26.19 | 17.01 | 20.54 | 50.77 | 28.03 | 16.97 | 垩白度 CKD (%) | 1.57 | 36.63 | 9.75 | 64.22 | 2.29 | 46.07 | 9.89 | 68.44 | 蛋白质 PC (%) | 8.25 | 10.30 | 9.17 | 4.12 | 7.20 | 10.05 | 8.53 | 6.99 | 直链淀粉 AC (%) | 6.59 | 20.13 | 14.07 | 28.74 | 7.35 | 19.98 | 14.60 | 27.54 | 食味值 Taste value | 45.07 | 76.00 | 58.96 | 13.10 | 42.83 | 80.67 | 61.59 | 12.36 |
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