西南弱光地区机插杂交籼稻“减穴稳苗”栽培的群体冠层质量特征

陶有凤,蒲石林,周伟,邓飞,钟晓媛,秦琴,任万军

Canopy Population Quality Characteristics of Mechanical Transplanting Hybrid Indica Rice with “Reducing Hills and Stabilizing Basic-Seedlings” in Low-Light Region of Southwest China

TAO YouFeng,PU ShiLin,ZHOU Wei,DENG Fei,ZHONG XiaoYuan,QIN Qin,REN WanJun

表3 田间配置对关键生育时期一次分蘖角度的影响

Table 3 Effect of field allocation pattern on the angle of primary tillerings at different stages (°)

年份 Year 处理 Treatment 分蘖盛期 TS 拔节期 JS 孕穗期 BS 齐穗期 HS 齐穗20d 20dAHS 2016 F优498 Fyou498 CFC 8.42a 20.82a 12.01b 7.32b — RHSB 4.33b 17.57b 13.97a 9.53a — 宜香优2115 Yixiangyou2115 CFC 5.89a 15.51a 10.26a 7.25a — RHSB 4.32b 15.04a 10.30a 5.89a — 平均值 Mean F优498 Fyou498 6. 37a 19.20a 12.99a 8.43a — 宜香优2115 Yixiangyou2115 5.11b 15.28b 10.28b 6.57b — CFC 7.16a 18.17a 11.14a 7.29a — RHSB 4.32b 16.31b 12.14a 7.71a — ANOVA 品种 V 28.65** 33.41** 25.06** 9.77* — 配置 C 142.82** 7.52* 3.43 0.51 — 品种×配置V×C 28.35** 4.24 3.16 9.01* — 2017 LB CFC 6.72a 19.40a — 13.62a 11.75a RHSB 5.41b 15.16b — 11.12a 9.88b HB CFC 5.74a 14.37a — 10.38a 7.87a RHSB 4.68b 12.47a — 8.90a 8.01a 平均值Mean LB 6.07a 17.28a — 12.37a 10.81a HB 5.21b 13.42b — 9.64a 7.94b CFC 6.23a 16.89a — 12.00a 9.81a RHSB 5.04b 13.82b — 10.01a 8.94b ANOVA 基本苗 B 8.11* 10.59* — 3.72 137.34** 配置C 15.76** 6.68* — 1.98 12.53* 基本苗×配置B×C 0.18 0.97 — 0.13 16.78**