耐低氮糜子品种的筛选及农艺性状的综合评价

陈凌,王君杰,王海岗,曹晓宁,刘思辰,田翔,秦慧彬,乔治军

Screening of Broomcorn Millet Varieties Tolerant to Low Nitrogen Stress and the Comprehensive Evaluation of Their Agronomic Traits

CHEN Ling,WANG JunJie,WANG HaiGang,CAO XiaoNing,LIU SiChen,TIAN Xiang,QIN HuiBin,QIAO ZhiJun

表1 2年内不同糜子农艺性状和氮素吸收的方差分析

Table 1 Analysis of variance of F values of agronomic traits and N content in broomcorn millet varieties in 2017 and 2018

变异来源 Source of variation 自由度 DF 株高 Plant height (cm) 茎粗 Stem diameter (cm) 主茎节数 Number of main-stem nodes 穗长 Panicle length (cm) 草重 Straw weight (g) 单株穗重 Panicle weight per plant (g) 单株粒重 Grain weight per plant (g) 千粒重 1000-grain weight (g) 叶面积 Leaf area (cm2) 氮含量 N content (%) 氮素吸收 N absorption (g/plant) 品种 Variety 99 66.351** 9.306** 5.871** 26.045** 20.522** 13.967** 32.053** 90.525** 8.760** 3.526** 53.195** 氮水平 N level 1 548.835** 156.044** 94.846** 116.326** 57.198** 120.483** 193.874** 9.286* 254.216** 13.336** 108.061** 年度 Year 1 604.433** 8.235* 7.923* 495.393** 113.788** 43.833** 68.045** 71.738** 13.256** 171.373** 322.841** 品种×氮水平 V×N 99 3.882** 0.774 0.996 1.557** 7.102** 5.802** 10.891** 1.136 3.028** 2.204** 20.466** 品种×年度 V×Y 99 7.210** 0.002 0.010 3.006** 8.107** 8.755 19.005** 1.151 3.345** 2.238** 37.244** 氮水平×年度 N×Y 1 432.984** 0.641 1.172 8.699* 36.478** 1.172 0.366 73.540** 1.454 146.356** 35.192** 品种×氮水平×年度 V×N×Y 99 4.572** 0.000 0.000 2.096** 8.208** 6.462** 11.925** 1.157 2.862** 2.666** 21.435**