Fixed effect

Yield and plant morphology character

Biomass yield

(t/ha/harvest)

Plant height

(cm)

Tiller per clump (no)

Leaf-stem ratio

(LSR)

Cultivar (C)

BN-1

30.72^b

171.2^a

25.9

0.73^b

BN-3

33.32^a

157.9^b

26.3

0.85^a

BN-5

29.00^b

156.3^b

25.4

0.86^a

P-value (C)

1.64e−04***

< 0.2e−16***

0.308NS

6.53e−06***

Location (L)

Drought

23.25^b

136.5^b

21.3^b

0.95^a

Non-drought

42.98^a

174.6^a

28.1^a

0.70^b

P-value (L)

< 2e−16***

< 0.2e−16***

< 2e−16***

< 2e−16***

P-value (C × L)

6.19e−04***

4.73e−07***

0.217^NS

0.81^NS

Overall mean

31.03

161.8

25.8

0.81

SEM

0.54

0.81

0.26

0.01