Allelopathic Activity of Extracts from Different Brazilian Peanut (Arachis hypogaea L.) Cultivars on Lettuce (Lactuca sativa) and Weed Plants

Table 6

Inhibition of weed plants (Commelina benghalensis and Ipomoea nil) growth of hypocotyls and rootlets by dichloromethanic partition of seed extract of cultivar BR-1 of Arachis hypogaea.

Species	Inhibition of seed germination of; weed plants by dichloromethanic; partition (IC50 = 19.70 ppm) (%)
	Hypocotyl	Rootlet
Commelina benghalensis	14.2	23.5
Ipomoea nil	33.7	38.1

The same letter means no statistically significant difference between the samples.