N, P Contribution and soil adaptability of four arbuscular mycorrhizal fungi

Figures & data

Table I. Information about arbuscular mycorrhizal isolates used in the experiment.

BEG^a number	Isolation region	Species	Soil pH of isolation site	Isolation agency
BEG151	Guangdong	G. geosporum	3.81	Hong Kong Polytechnic Univ.
BEG167	Xinjiang	G. mosseae	8.20	China Agric. Univ.
BEG168	Hebei	G. etunicatum	8.20	China Agric. Univ.
BEG221	Hubei	G. etunicatum	7.96	Hua Zhong Agric. Univ.
^aRegistered numbers in the European Bank of Glomales.

Table II. Origin sites, type, and basic properties of soils used.

Collection region	Type	pH	Available P (mg/kg)	Organic matter (mg/kg)	Longitude (E) and latitude (N)
Beijing	Cinnamon	8.16	10.22	10.8	116° 33’, 39° 07’
Hubei	Brunisolic	7.20	24.06	17.3	114° 21’, 30° 37’
Guangdong	Red	4.74	20.63	14.7	113° 15’, 23° 08’

Table III. Root colonization and fungal biomass of AM isolate on three soils (%).

	Beijing soil		Hubei soil		Guangdong soil
Isolate	Colonization (%)	Fungal biomass (mg/pot, DW)	Colonization (%)	Fungal biomass (mg/pot, DW)	Colonization (%)	Fungal biomass (mg/pot, DW)
CK	0.0c	0.00b	0.0c	0.00c	0.0e	0.00c
BEG151	34.6b	0.00b	27.6ab	1.71ab	19.7ab	1.19c
BEG167	55.6a	17.88a	25.8b	2.36a	15.7bc	4.76ab
BEG168	33.0b	1.68b	24.1b	0.00c	20.8a	5.46a
BEG221	31.6b	1.74b	36.5a	0.00c	12.5cd	0.00c
In the same column, values followed by different letters indicate significant differences at 5% level. CK = Control. DW = dry weight.

Table IV. Shoot biomass of maize inoculated with or without AM isolate on three soils (g/pot).

Isolate	Beijing soil	Hubei soil	Guangdong soil
CK	16.75c	21.37c	9.46c
BEG151	20.46a	25.01ab	10.26ab
BEG167	19.49a	20.71c	7.30d
BEG168	20.20a	23.18b	11.10a
BEG221	20.18a	27.41a	9.20c
In the same column, values followed by different letters indicate significant differences at 5% level. CK = Control.

Table V. Shoot N and P uptake of maize inoculated with or without AM isolate on three soils (mg/pot).

	Beijing soil		Hubei soil		Guangdong soil
Isolate	N uptake	P uptake	N uptake	P uptake	N uptake	P uptake
CK	45.54c	10.03c	55.58bc	16.74d	37.71a	5.62b
BEG151	59.31a	22.44a	57.54b	23.37cd	32.38ab	5.95ab
BEG167	50.01bc	22.56a	50.67c	23.46cd	26.55b	4.51c
BEG168	55.39ab	23.20a	55.12bc	26.02bc	34.94a	6.65a
BEG221	58.49a	17.40b	65.62a	38.51a	33.18a	5.78ab
In the same column, values followed by different letters indicate significant differences at 5% level. CK = Control.