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1 不同处理对玉米窄行穂位叶叶绿素荧光参数的影响

Table 1 Effects of different treatments on chlorophyll fluorescence parameters in ear leaves of maize at narrow row

品种 Variety	行距 Row spacing	F_o		F_m		F_v/F_m		F_v′/F_m′
品种 Variety	行距 Row spacing	抽雄期 Tasseling stage	灌浆期 Filling stage	抽雄期 Tasseling stage	灌浆期 Filling stage	抽雄期 Tasseling stage	灌浆期 Filling stage	抽雄期 Tasseling stage	灌浆期 Filling stage
众望玉18	20 cm	3788.00 a	3438.00 b	19501.00 a	16201.00 a	0.76 c	0.77 c	0.13 a	0.14 b
Zhongwangyu 18	40 cm	2595.00 d	3370.00 c	13788.00 e	15819.00 b	0.78 ab	0.79 b	0.12 ab	0.13 bc
	单作MM	2161.00 e	2600.00 e	12092.00 f	13566.00 d	0.79 a	0.81 a	0.10 c	0.12 c
川单418	20 cm	3527.00 b	3635.00 a	17138.00 b	15016.00 b	0.76 c	0.75 d	0.13 a	0.12 c
Chuandan 418	40 cm	3085.00 d	3326.00 c	16187.00 c	14527.00 c	0.77 b	0.76 cd	0.12 ab	0.12 c
	单作MM	2345.00 e	2578.00 e	12284.00 f	12310.00 e	0.78 ab	0.79 b	0.12 ab	0.11 d
荣玉1210	20 cm	3481.00 b	2986.00 d	17400.00 b	14413.00 c	0.76 c	0.78 bc	0.11 bc	0.15 a
Rongyu 1210	40 cm	3272.00 c	2775.00 e	16816.00 c	13380.00 d	0.77 b	0.79 b	0.11 bc	0.14 b
	单作MM	2964.00 d	1888.00 f	15585.00 d	10094.00 f	0.77 b	0.80 ab	0.10 c	0.12 c
众望玉18-avg. Zhongwangyu 18-avg.		2848.00 c	3136.00 a	15127.00 b	15195.33 a	0.78 a	0.79 a	0.12 a	0.13 a
川单418-avg. Chuandan 418-avg.		3052.33 b	3179.66 a	15203.00 b	13951.00 b	0.77 b	0.77 b	0.12 a	0.12 b
荣玉1210-avg. Rongyu 1210-avg.		3239.00 a	2549.66 b	16600.33 a	12629.00 b	0.77 b	0.79 a	0.11 b	0.13 a
20 cm-avg.		3598.66 a	3353.00 a	18013.00 a	15210.00 a	0.77 c	0.77 c	0.12 a	0.14 a
40 cm-avg.		3050.66 b	3157.00 b	15597.00 b	14575.33 b	0.78 b	0.78 b	0.12 a	0.13 b
MM-avg.		2490.00 c	2355.33 c	13320.33 c	11990.00 c	0.79 a	0.80 a	0.11 b	0.11 c
F值 F-value
品种 Varieties (V)		1.43^*	2.02	0.99	2.36	5.21	4.14	2.23	4.02^*
行距 Row spacing (RS)		4.07^*	1.14	3.69	1.81	5.96^*	0.88^*	2.12	0.37^*
品种×行距 V×RS		3.01^*	1.50	2.61	1.65	4.70	2.18	2.17	1.83^*