基于植物功能性状的暖温带5种灌木幼苗生长策略

祁鲁玉, 陈浩楠, 库丽洪·赛热别力, 籍天宇, 孟高德, 秦慧颖, 王宁, 宋逸欣, 刘春雨, 杜宁, 郭卫华

Growth strategies of five shrub seedlings in warm temperate zone based on plant functional traits

QI Lu-Yu, CHEN Hao-Nan, Kulihong SAIREBIELI, JI Tian-Yu, MENG Gao-De, QIN Hui-Ying, WANG Ning, SONG Yi-Xin, LIU Chun-Yu, DU Ning, GUO Wei-Hua

表1 5个暖温带灌木物种叶特征、结构和物质组成性状的比较(平均值±标准误)

Table 1 Compare of leaf features, structure and compositional traits among five shrub species in warm temperate zone (mean ± SE)

性状 Trait	荆条 Vitex negundo var. heterophylla	酸枣 Ziziphus jujuba var. spinosa	小花扁担杆 Grewia biloba var. parviflora	紫穗槐 Amorpha fruticosa	火炬树 Rhus typhina
Area (cm²)	9.261 ± 1.045^c	4.652 ± 0.410^c	54.529 ± 3.560^a	4.509 ± 0.314^c	22.574 ± 0.817^b
L/W	2.380 ± 0.126^b	2.142 ± 0.052^b	1.476 ± 0.053^c	3.157 ± 0.165^a	3.296 ± 0.117^a
L/PL	6.088 ± 0.555^c	27.319 ± 2.846^a	8.940 ± 0.215^c	19.041 ± 0.811^b	-
γ′	48.389 ± 5.577^a	21.526 ± 0.981^c	20.755 ± 0.430^c	20.438 ± 0.708^c	36.152 ± 1.332^b
LMA (g·m^-2)	48.094 ± 0.611^bc	49.303 ± 1.698^ab	44.539 ± 1.513^c	53.040 ± 1.342^a	46.389 ± 1.397^bc
x(c) (cm·cm^-1)	0.417 ± 0.006^c	0.447 ± 0.006^b	0.402 ± 0.004^d	0.483 ± 0.004^a	0.392 ± 0.003^d
N (g·kg^-1)	32.825 ± 0.581^c	42.105 ± 0.768^a	37.878 ± 1.221^b	36.800 ± 1.158^b	27.073 ± 1.103^d
P (g·kg^-1)	3.540 ± 0.186^b	5.968 ± 0.111^a	5.593 ± 0.462^a	5.208 ± 0.548^a	5.793 ± 0.284^a
K (g·kg^-1)	12.015 ± 0.889^b	15.040 ± 0.142^a	12.478 ± 0.514^b	9.895 ± 0.368^c	10.073 ± 0.540^c
N:P	9.371 ± 0.632^a	7.068 ± 0.236^b	6.908 ± 0.586^b	7.274 ± 0.689^b	4.710 ± 0.309^c
Chl a (mg·g^-1)	1.565 ± 0.060^c	2.316 ± 0.112^a	2.055 ± 0.085^b	2.013 ± 0.040^b	1.771 ± 0.064^c
Chl b (mg·g^-1)	0.667 ± 0.043^c	0.878 ± 0.057^ab	0.938 ± 0.064^a	0.812 ± 0.027^abc	0.726 ± 0.037^bc
Chl a/b	2.384 ± 0.156	2.658 ± 0.076	2.215 ± 0.081	2.494 ± 0.096	2.446 ± 0.035
LBP	0.878 ± 0.004^b	-	0.965 ± 0.001^a	0.790 ± 0.006^c	0.764 ± 0.007^d