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

Table 1

Inhibition of L. sativa seeds germination by crude ethanolic extracts of aerial part, root, seed coat, and seed of BR-1 cultivar from Arachis hypogaea.

Crude extract (BR-1—1000 ppm)	Inhibition of germination (%)
Aerial part	24.4
Root	35.4
Seed coat	47.7
Seed	47.7

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