Allelopathic potential of the pea seed powder as natural herbicide for controlling weeds infested wheat plants

Bulletin of the National Research Centre

Table 3 Effect of pea seed powder on photosynthetic pigment contents (mg/g)in fresh wheat leaves

Treatments	Pea seed powder g/pot	Chlorophyll a			Chlorophyll b			Carotenoids
Treatments	Pea seed powder g/pot	At sowing	1 week before sowing	Mean	At sowing	1 week before sowing	Mean	At sowing	1 week before sowing	Mean
Wheat + chard + canarygrass	0	0.947	1.251	1.099	0.452	0.406	0.429	0.299	0.133	0.216
Wheat only	0	1.766	1.988	1.877	0.743	0.711	0.727	0.460	0.464	0.462
Wheat + chard + canarygrass + pea seed powder	20	1.047	1.289	1.168	0.462	0.423	0.443	0.311	0.247	0.279
	40	1.210	1.511	1.361	0.544	0.509	0.527	0.360	0.327	0.344
	60	1.326	1.591	1.459	0.604	0.525	0.565	0.379	0.342	0.361
	80	1.541	2.058	1.800	0.763	0.752	0.758	0.468	0.477	0.473
	100	1.494	1.637	1.566	0.624	0.579	0.602	0.409	0.394	0.402
Mean		1.333	1.617		0.598	0.578		0.383	0.340
LSD at 5%		A = 0.073 B = 0.113 AB = 0.160			A = 0.037 B = 0.061 AB = 0.086			A = 0.003 B = 0.0.048 AB = 0.068