Leptochloa chinensis (L.) Nees, is known as a noxious weed species in upland and lowland crop cultivation, has naturalized many countries an invasive plant species. In this study, the allelopathic characteristic of L. was evaluated to understand its invasiveness. An aqueous methanol extract above-grand parts suppressed growth species; Echinochloa crus-galli Beauv., Vulpia myuros C. Gmel. Lolium...

The implementation of cover crops in vineyards is an environment-friendly soil management technique that has several advantages, including weed suppression. effectiveness the depends on characteristics both community and crop species. objectives this study were to evaluate dynamics Cynodon dactylon patches rest composition under five different (four grasses one dicotyledonous species) a commerc...

Four weed species (Bromus mollis, Vulpia sp., Poa annua, Steltaria media) occur in 30% or more of all perennial ryegrass seed samples. Of the listed undesirable species, Avena fatua (wild oat) and Hordeum murinum occurred respectively in 5.3 and 3.5% of ryegrass seedlots. Only 6 herbicides are registered for use in grass seed crops in New Zealand, 2 for wild oat, and 4 for broadleaved weeds. Th...