玉米-大豆带状种植中套作高光效玉米窄行穂位叶光合特性对弱光胁迫的响应

任永福,陈国鹏,蒲甜,陈诚,曾瑾汐,彭霄,马艳玮,杨文钰,王小春

Responses of photosynthetic characteristics to low light stress in ear leaves of high photosynthetic efficiency maize at narrow row of maize-soybean strip intercropping system

Yong-Fu REN,Guo-Peng CHEN,Tian PU,Cheng CHEN,Jin-Xi ZENG,Xiao PENG,Yan-Wei MA,Wen-Yu YANG,Xiao-Chun WANG

表3 不同处理对玉米产量构成因素的影响

Table 3 Effects of different treatments on yield components of maize

品种 Variety	行距 Row spacing	2015年			2016年
品种 Variety	行距 Row spacing	穗粒数 Grain number per ear	千粒重 1000-kernel weight (g)	穗数 Ear number (×10⁴ hm^-2)	穗粒数 Grain number per ear	千粒重 1000-kernel weight (g)	穗数 Ear number (×10⁴ hm^-2)
众望玉18	20 cm	406.20 e	290.00 b	49764.30 b	429.12 d	324.04 a	50330.00 e
Zhongwangyu 18	40 cm	449.30 d	294.30 b	50357.10 b	420.80 d	316.20 b	54000.00 d
	单作MM	507.20 b	289.10 b	57142.90 a	519.66 b	309.64 c	56000.00 c
川单418	20 cm	347.60 f	300.50 b	49521.40 b	459.47 c	263.06 e	54000.00 d
Chuandan 418	40 cm	468.70 c	292.60 b	57732.12 a	527.37 b	256.00 e	57330.00 b
	单作MM	479.00 c	308.00 a	58992.90 a	588.85 a	255.46 e	59330.00 a
荣玉1210	20 cm	452.00 d	295.70 b	49764.30 b	394.54 e	294.60 d	56660.00 c
Rongyu 1210	40 cm	563.80 a	294.00 b	55512.25 ab	442.91 d	305.86 c	57660.00 b
	单作MM	588.10 a	295.40 b	56664.30 a	472.68 c	310.20 c	57660.00 b
众望玉18-avg. Zhongwangyu 18-avg.		454.23 b	291.13 a	52421.43 b	456.52 b	316.62 a	53443.33 c
川单418-avg. Chuandan 418-avg.		431.76 b	300.36 a	55415.47 a	525.23 a	258.17 c	56886.66 b
荣玉1210-avg. Rongyu 1210-avg.		534.63 a	295.03 a	53980.28 a	436.71 c	303.55 b	57326.66 a
20 cm-avg.		401.93 c	295.40 a	49683.33 c	427.71 c	293.90 a	53663.33 c
40 cm-avg.		493.93 b	293.63 a	54533.82 b	463.69 b	292.68 a	56330.00 b
MM-avg.		524.76 a	297.50 a	57600.03 a	527.06 a	291.76 a	57663.33 a
F值 F-value
品种 Varieties (V)		25.78^**	185.89^**	1.32^**	16.72^**	66.00^**	5.51^**
行距 Row spacing (RS)		24.35^**	3.49^**	38.66^*	27.18^**	3.55	4.59^*
品种×行距 V×RS		24.92^**	76.45^*	23.72^**	1.63	2.00	0.72