Research Article

Effect of Different Arbuscular Mycorrhizal Fungi on Growth and Physiology of Maize at Ambient and Low Temperature Regimes

Table 1

Effects of AM on plant height, total dry weight, shoot dry weight, root dry weight, and root-shoot ratio of maize seedlings under ambient temperature and low temperature regimes.

TemperatureInoculationPlantTotal dryShoot dry Root dry Root-shoot
height (cm)weight (g/plant)weight (g/plant)weight (g/plant) ratio

AmbientNM61.1 ± 1.90.72 ± 0.070.58 ± 0.070.14 ± 0.010.25 ± 0.03
As62.9 ± 1.90.75 ± 0.030.62 ± 0.030.13 ± 0.010.21 ± 0.03
Ge67.8 ± 2.40.72 ± 0.07 0.59 ± 0.070.14 ± 0.010.25 ± 0.03
Gi64.3 ± 1.40.77 ± 0.080.64 ± 0.070.13 ± 0.010.21 ± 0.03
Gt65.8 ± 2.50.92 ± 0.070.76 ± 0.060.16 ± 0.010.20 ± 0.01

LowNM57.2 ± 1.20.69 ± 0.030.55 ± 0.030.14 ± 0.010.26 ± 0.02
As54.9 ± 1.50.70 ± 0.150.54 ± 0.040.15 ± 0.010.28 ± 0.02
Ge57.3 ± 1.50.66 ± 0.050.51 ± 0.040.15 ± 0.010.31 ± 0.03
Gi54.7 ± 1.70.74 ± 0.080.57 ± 0.060.18 ± 0.020.31 ± 0.02
Gt56.7 ± 0.70.75 ± 0.050.58 ± 0.050.17 ± 0.010.30 ± 0.03

value
Temperature (df = 1)0.0010.0510.0100.0100.011
AM (df = 4)0.2190.0770.2000.3020.936
Temperature × AM (df = 4)0.3950.6630.7090.5400.789

NM: non-AM fungus; As: Acaulospora scrobiculata; Ge: Glomus etunicatum; Gi: G. intraradices; Gt: G. tortuosum. In each column, values are expressed as mean ± SE.