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 6

Effect of different bioherbicidal treatments on the chlorophyll content and chlorophyll fluorescence of black jack.

Treatments	Treatment effects
	Chlorophyll content (mmol cm^−2)	Chlorophyll fluorescence (Fv/Fm)
10% w/v sorgaab	34.14	0.632^c
Full-dose Agil	29.52	0.602^c
Half-dose Agil	32.98	0.561^b
Half-dose Agil + 10% sorgaab	34.17	0.546^a
Control	30.98	0.502^a
-value	0.226	<0.001
LSD	ns	0.042
CV (%)	11.2	6.1
	Time effects
1 WAS	23.12^a	0.510^a
2 WAS	30.89^b
3 WAS	29.13^b
4 WAS	47.18^c	0.627^b
-value	<0.001	<0.001
LSD	3.839	0.044
CV (%)	17.3	11.6

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.