海岛棉氮高效品种筛选与氮效率综合评价

段松江, 木丽迪尔·拜波拉提, 彭增莹, 申莹莹, 吴一凡, 付锦程, 郭仁松, 张巨松

Screening of Nitrogen High-Efficiency Varieties and Comprehensive Evaluation of Nitrogen Efficiency of Sea Island Cotton

Duan Songjiang, Mulidier∙Baibolati, Peng Zengying, Shen Yingying, Wu Yifan, Fu Jincheng, Guo Rensong, Zhang Jusong

表3 不同氮处理下海岛棉主要性状的变异统计

Table 3 Variation statistics of main traits of island cotton under different nitrogen treatments

指标 Index N0 N1 N2 平均值 Average 变幅 Range 变异系数 CV (%) 平均值 Average 变幅 Range 变异系数 CV (%) 平均值 Average 变幅 Range 变异系数 CV (%) PH (cm) 82.35 64.20~102.50 1.00 85.92 70.70~110.00 14.27 87.61 62.80~113.40 17.43 NFB 10.26 7.70~12.00 12.87 11.14 8.60~12.30 8.91 11.20 9.10~12.10 7.84 SPAD 56.67 54.10~59.10 2.92 56.18 53.40~60.20 3.10 55.56 53.20~57.50 2.47 SLB (g/plant) 27.82 16.20~44.50 28.15 31.57 17.30~42.20 23.93 30.86 23.30~43.80 20.95 ROB (g/plant) 40.02 29.40~48.90 15.21 48.61 36.70~75.90 19.23 50.72 36.00~61.30 16.22 APB (g/plant) 67.31 50.70~90.00 17.83 80.98 59.70~116.20 17.76 81.58 59.30~99.00 16.58 SLNA (g/plant) 0.33 0.19~0.58 33.08 0.45 0.32~0.63 23.70 0.44 0.33~0.63 20.94 RONA (g/plant) 0.36 0.29~0.50 15.07 0.52 0.39~0.84 21.48 0.54 0.39~0.70 17.37 APNA (g/plant) 0.69 0.52~1.07 22.12 0.98 0.73~1.41 19.18 0.98 0.74~1.29 16.90 BNP 6.73 6.10~8.40 10.49 7.36 6.50~8.60 8.09 7.28 6.30~9.30 9.39 BW (g) 3.25 3.00~3.40 3.63 3.29 3.00~3.60 5.09 3.32 3.10~3.80 6.33 LP (%) 0.33 0.32~0.34 2.13 0.33 0.32~0.34 1.60 0.33 0.32~0.37 3.69 SCY (kg/hm2) 4339.13 3707.70~5507.20 11.38 5002.96 4224.20~6201.50 9.66 5002.08 4513.80~6015.10 7.97 LCY (kg/hm2) 1426.60 1210.80~1742.70 10.40 1621.20 1381.80~2039.96 9.75 1639.30 1484.20~1928.40 6.87 aNUE (kg/kg) － － － 2.77 1.00~4.20 34.57 1.38 0.68~2.48 36.14 NPFP (kg/kg) － － － 20.85 17.60~25.80 9.66 10.42 9.40~12.53 7.97 NRE (%) － － － 28.36 7.43~51.71 49.72 14.19 8.07~21.15 36.81 pNUE (kg/kg) － － － 12.05 5.00~21.90 49.90 11.49 3.21~25.91 58.87 iNUE (kg/kg) － － － 7.14 5.90~9.40 17.00 7.27 5.97~8.86 12.70