丛枝菌根真菌对不同性别组合模式下青杨雌雄植株根系生长的影响

高文童,张春艳,董廷发,胥晓

Effects of arbuscular mycorrhizal fungi on the root growth of male and female Populus cathayana individuals grown under different sexual combination patterns

Wen-Tong GAO,Chun-Yan ZHANG,Ting-Fa DONG,Xiao XU

表1 接种丛枝菌根真菌(AMF)对不同栽培模式下青杨雌雄植株根系形态的影响(平均值±标准误差, n = 7)

Table 1 Effects of arbuscular mycorrhizal fungi (AMF) on the root morphology of male and female Populus cathayana individuals grown under different sexual combination patterns (mean ± SE, n = 7)

组别 Group	组合 Combination pattern	分枝强度 Root branching intensity (× 10²)	比表面积 Specific root surface area (× 10²)	比根长 Specific root length (× 10³)	总根长 Total root length (cm × 10³)	根尖数 Root tips number (× 10³)
对照 Control	雄雄/雄 MM/M	5.01 ± 0.34^b	3.49 ± 0.49^ab	5.97 ± 0.49^b	25.58 ± 2.23^ef	20.97 ± 1.69^cd
	雌雌/雌 FF/F	4.26 ± 0.37^b	2.99 ± 0.24^bc	4.58 ± 0.34^cd	33.08 ± 2.39^de	19.09 ± 1.84^d
	雄雌/雄 MF/M	7.81 ± 0.52^a	1.75 ± 0.27^d	3.80 ± 0.28^d	14.81 ± 1.25^f	17.71 ± 1.37^d
	雄雌/雌 MF/F	7.83 ± 0.29^a	2.70 ± 0.44^c	5.04 ± 0.54^bcd	42.46 ± 4.38^cd	18.33 ± 1.50^d
AMF	雄雄/雄 MM/M	4.46 ± 0.30^b	2.14 ± 0.20^cd	4.09 ± 0.18^d	58.47 ± 4.25^c	25.66 ± 1.27^c
	雌雌/雌 FF/F	4.83 ± 0.34^b	3.28 ± 0.16^ab	5.67 ± 0.48^bc	105.30 ± 9.82^b	38.47 ± 1.75^b
	雄雌/雄 MF/M	6.70 ± 0.53^a	2.89 ± 0.20^bc	4.99 ± 0.43^bcd	55.88 ± 5.66^c	25.95 ± 1.51^c
	雄雌/雌 MF/F	6.88 ± 0.31^a	3.99 ± 0.31^a	7.29 ± 0.52^a	137.96 ± 8.17^a	51.88 ± 3.42^a
p > F_I		0.069^ns	0.126^ns	0.033^*	<0.001^***	<0.001^***
p > F_C		<0.001^***	0.011^*	0.002^**	<0.001^***	<0.001^***
p > F_C×I		0.142^ns	<0.001^***	<0.001^***	<0.001^***	<0.001^***