Research Article

Allelopathic Effects of Aqueous Extracts of Sorghum (Sorghum bicolor L. Moench) on the Early Seedling Growth of Sesame (Sesamum indicum L.) Varieties and Selected Weeds

Table 4

Effect of variety, treatments, and time on the chlorophyll content and chlorophyll fluorescence of six sesame varieties.

Sesame varietyVarietal effects
Chlorophyll content (mmol cm−2)Chlorophyll fluorescence (Fv/Fm)

Lindi 200234.510.6445b
Brown Zimbabwe36.050.5903a
Ziada 9434.260.6429b
IETC39.910.5598a
Mtwara 0932.520.6473b
Lindi Zimbabwe35.090.6586b
-value0.080<0.001
LSDns0.039
CV (%)15.716.1

Treatment effects
10% w/v sorgaab35.510.6338
Full-dose Agil35.220.6331
Half-dose Agil34.970.6271
Half-dose Agil + 10% sorgaab34.550.6134
Control34.530.6122
-value0.5490.550
LSDnsns
CV (%)15.716.1

Time effects
0 WAS33.07a0.5933a
1 WAS36.63b
2 WAS32.96a
3 WAS39.56c0.6546b
p-value<0.001<0.001
LSD1.3990.026
CV (%)15.716.1

Means followed by the same letter in the column are not significantly different at . Chlorophyll fluorescence was not determined at 1 WAS and 2 WAS.