行距和密度对高粱籽粒灌浆、淀粉及氮磷钾累积特征的影响

董二伟, 王劲松, 武爱莲, 王媛, 王立革, 韩雄, 郭珺, 焦晓燕

Effects of row space and plant density on characteristics of grain filling, starch and NPK accumulation of sorghum grain of different parts of panicle

DONG Er-Wei, WANG Jin-Song, WU Ai-Lian, WANG Yuan, WANG Li-Ge, HAN Xiong, GUO Jun, JIAO Xiao-Yan

图3 行距和密度对各部位单穗籽粒重的影响 30-13.5: 行距30 cm, 密度13.5万株 hm-2; 30-16.5: 行距30 cm, 密度16.5万株 hm-2; 30-19.5: 行距30 cm, 密度19.5万株 hm-2; 30-22.5: 行距30 cm, 密度22.5万株 hm-2; 50-13.5: 行距50 cm, 密度13.5万株 hm-2; 50-16.5: 行距50 cm, 密度16.5万株 hm-2; 50-19.5: 行距50 cm, 密度19.5万株 hm-2; 50-22.5: 行距50 cm, 密度22.5万株 hm-2; 60-13.5: 行距60 cm, 密度13.5万株 hm-2; 60-16.5: 行距60 cm, 密度16.5万株 hm-2; 60-19.5: 行距60 cm, 密度19.5万株 hm-2; 60-22.5: 行距60 cm, 密度22.5万株 hm-2。a: 上部穗位; b: 中部穗位; c: 下部穗位。

Fig. 3 Effects of row space and planting densities on grain weight of different portions per panicle 30-13.5: row space 30 cm, density 135 thousand plants hm-2; 30-16.5: row space 30 cm, density 165 thousand plants hm-2; 30-19.5: row space 30 cm, density 195 thousand plants hm-2; 30-22.5: row space 30 cm, density 225 thousand plants hm-2; 50-13.5: row space 50 cm, density 135 thousand plants hm-2; 50-16.5: row space 50 cm, density 165 thousand plants hm-2; 50-19.5: row space 50 cm, density 195 thousand plants hm-2; 50-22.5: row space 50 cm, density 225 thousand plants hm-2; 60-13.5: row space 60 cm, density 135 thousand plants hm-2; 60-16.5: row space 60 cm, density 165 thousand plants hm-2; 60-19.5: row space 60 cm, density 195 thousand plants hm-2; 60-22.5: row space 60 cm, density 225 thousand plants hm-2. a: upper part of panicle; b: middle part of panicle; c: lower part of panicle.