云南哀牢山两种常见半寄生植物的生态化学计量特征及其与寄主的关系

汤丹丹,吴毅,刘文耀,胡涛,黄俊彪,张婷婷

Ecological stoichiometry of two common hemiparasite plants and their relationship with host trees in Ailao Mountain, Yunnan, China

TANG Dan-Dan,WU Yi,LIU Wen-Yao,HU Tao,HUANG Jun-Biao,ZHANG Ting-Ting

Table 2 C, N and P stoichiometry characteristics of host branches, haustorias, parasitic branches, parasitic leaves in two common hemiparasites in Ailao Mountain

		平均值 Mean (mg·g^-1)						变异系数 Coefficient of variation (%)
		C	N	P	C:N	C:P	N:P	C	N	P	C:N	C:P	N:P
椆树桑寄生 Loranthus delavayi	寄主枝 Host branch	449.90^c	4.01^c	1.55^ab	113.55^a	345.09^ab	3.01^b	0.78	11.95	35.38	11.39	55.68	50.37
	吸器 Haustoria	474.80^b	9.15^b	1.18^b	52.23^b	410.69^a	7.89^a	2.04	8.22	13.11	9.31	14.80	14.89
	寄生枝 Parasitic branch	486.10^a	8.90^b	1.03^b	56.34^b	503.09^a	9.08^a	2.14	20.55	25.82	17.28	26.25	25.43
	寄生叶 Parasitic leaf	478.00^ab	15.65^a	2.90^a	31.85^c	220.41^b	7.20^ab	2.76	24.57	56.37	19.60	55.53	55.33
柳叶钝果寄生 Taxillus delavayi	寄主枝 Host branch	460.28^c	2.64^c	0.32^c	184.03^a	1 618.57^a	9.37^ab	1.60	24.17	39.11	24.54	29.85	35.49
	吸器 Haustoria	477.17^a	7.67^b	0.73^b	63.47^b	679.07^b	10.74^a	2.17	15.76	18.88	13.52	19.79	16.11
	寄生枝 Parasitic branch	483.50^a	7.65^b	0.94^b	64.18^b	564.00^b	8.77^b	1.39	12.87	33.30	12.19	28.24	25.40
	寄生叶 Parasitic leaf	431.61^c	10.10^a	3.16^a	45.82^c	158.13^c	3.76^c	2.98	27.51	37.24	26.87	44.33	58.43
总体 Total	寄主枝 Host branch	456.57^b	3.13^c	0.76^c	158.86^a	1 163.70^a	7.10^cbd	1.75	28.19	90.78	63.46	58.70	31.62
	吸器 Haustoria	476.32^a	8.20^b	0.89^b	59.46^b	583.22^b	9.72^a	2.10	15.59	29.32	15.45	29.58	21.25
	寄生枝 Parasitic branch	484.43^a	8.10^b	0.97^b	61.38^b	542.25^b	8.88^ab	1.68	17.91	30.38	15.00	27.77	24.99
	寄生叶 Parasitic leaf	448.18^bc	12.08^a	3.06^a	40.83^c	180.37^c	4.99^d	5.79	34.24	43.48	30.48	52.63	66.97