Research Article

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.

SpeciesInhibition of seed germination of
weed plants by dichloromethanic
partition (IC50 = 19.70 ppm) (%)

Commelina benghalensis14.223.5
Ipomoea nil33.738.1

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