INTERFERENCE OF WEEDS AND THEIR CONTROL METHODS

Abstract

This literature review aimed to present the main forms of mediation of weeds on cultivated plants, stating a highlight to three important points, competition, considered the major form of interference, highlighting the periods of control, factors related to culture , weeds and the environment, allelopathy in the stimulating or inhibitory effect on plants grown through the release into the environment of the allelochemicals by volatilization, leaching, root exudation and microbial decomposition and the hostability of weeds to pathogens such as fungi , bacteria, viruses, nematodes and / or predatory insects through their various vital basic processes of survival and dissemination and their control methods such as cultural, mechanical, biological, physical, preventive and chemical control to reduce their incidence in areas agricultural activities.