华南主栽高产籼稻根系形态特征及其与产量构成的关系
陈达刚, 周新桥, 李丽君, 刘传光, 张旭, 陈友订*
广东省农业科学院水稻研究所 / 广东省水稻育种新技术重点实验室 / 国家水稻改良中心广州分中心, 广东广州 510640
CHEN Da-Gang, ZHOU Xin-Qiao, LI Li-Jun, LIU Chuan-Guang, ZHANG Xu, CHEN You-Ding*
Rice Research Institute, Guangdong Academy of Agricultural Sciences / Guangdong Key Laboratory of New Technology in Rice Breeding / Guangzhou Branch of National Rice Improvement Center, Guangzhou 510640, China
Rice Research Institute, Guangdong Academy of Agricultural Sciences / Guangdong Key Laboratory of New Technology in Rice Breeding / Guangzhou Branch of National Rice Improvement Center, Guangzhou 510640, China
Rice Research Institute, Guangdong Academy of Agricultural Sciences / Guangdong Key Laboratory of New Technology in Rice Breeding / Guangzhou Branch of National Rice Improvement Center, Guangzhou 510640, China
Rice Research Institute, Guangdong Academy of Agricultural Sciences / Guangdong Key Laboratory of New Technology in Rice Breeding / Guangzhou Branch of National Rice Improvement Center, Guangzhou 510640, China
Rice Research Institute, Guangdong Academy of Agricultural Sciences / Guangdong Key Laboratory of New Technology in Rice Breeding / Guangzhou Branch of National Rice Improvement Center, Guangzhou 510640, China
Rice Research Institute, Guangdong Academy of Agricultural Sciences / Guangdong Key Laboratory of New Technology in Rice Breeding / Guangzhou Branch of National Rice Improvement Center, Guangzhou 510640, China
图1 供试品种组合抽穗期的根系分枝特性 1: 合美占; 2: 玉香油占; 3: 桂农占; 4: 粤晶丝苗2号; 5: 五优308; 6: 天优998; 7: 天优122。图中大写字母分别表示分枝根总长度与不定根长度比A、粗分枝根与不定根长度比B、细分枝根与不定根长度比C、粗分枝根与细分枝根长度比D、粗分枝根表面积与总根表面积比E、细分枝根表面积与总根表面积比F、粗分枝根与细分枝根表面积比G、粗分枝根体积与总根体积比H、细分枝根体积与总跟体积比I。不同的小写字母表示差异达到5%显著水平。
Fig. 1 Root branching characteristics of the cultivar and combinations at heading stage 1: Hemeizhan; 2: Yuxiangyouzhan; 3: Guinongzhan; 4: Yuejingsimiao 2; 5: Wuyou 308; 6: Tianyou 998; 7: Tianyou 122.Capital letters denote: length ratio of branched to adventitious roots A, length ratio of coarse branched to adventitious roots B, length ratio of fine branched to adventitious roots C, length ratio of coarse to fine branched roots D, surface ratio of coarse branched to total roots E, surface ratio of fine branched to total roots F, surface ratio of coarse to fine branched roots G, volume ratio of coarse branched to total rootsH, volume ratio of fine branched to total roots I, respectively. Bars superscripted by different lowercase letters are significantly different at 5% probability level.