Research Article

Photoperiod Sensitivity and Variability of Agromorphological Traits and Brix Content of Sweet Sorghum Cultivated in Burkina Faso under Two Sowing Dates

Table 2

Results of the analysis of variance of vegetative morphological traits.

TraitsNVTNPTLEL (cm)LEW (cm)NINLIN (cm)DIS (cm)HPL (cm)

Min.D10055.675.17910.341.43188.33
D20052.673.36.679.671.05129

Max.D18588.510.7316.6731.52.97464.33
D211680.8310.1713.6731.072.2347.67

MeanD12.391.9370.277.7913.0923.482.11334.94
D24.833.2365.926.169.6323.241.64249.25

ΔD(D2−D1)2.441.3−4.35−1.63−3.46−0.24−0,47−85.69
Variation rate (%)102.0967.36−6.19−20.92−26.43−1.02−22.27−25.58
Sowing dateF79.6940.5443.73235.48529.80.8239.51683.34
Pr.<0.001<0.001<0.001<0.001<0.0010.367<0.001<0.001

GenotypeF3.182.655.8116.6913.5330.720.9324.51
Pr.<0.001<0.001<0.001<0.001<0.001<0.0010.569<0.001

Sowing date × genotypeF1.081.072.831.691.611.611.171.69
Pr.0.370.381<0.0010.0280.0420.0420.2790.028

NVT: number of vegetative tillers, NPT: number of productive tillers, LEL: leaf length, LEW: leaf width; NIN: number of internodes; LIN: internode length; HPL: plant height; DIS: stem diameter, D1: 1st sowing date, D2: 2nd sowing date, CV: coefficient of variation, ΔD: difference between the values of the two sowing dates, SD: standard deviation.