engleski

Maize weed control by application of IWMS

Continual application of the same measures in the agricultural practice leads to the disturbances in connexions in agro-ecosystem. Given the rapid evolution and spread of herbicide-resistant weeds and their negative consequences, one might predict that IWM would currently be a prominent practice. Considerable evidence proves that nonherbicidal weed management strategies that integrate other weed management systems with herbicide use have increased. According to the presence of great number of weed species in maize crop, which have different life cycles and surviving types, it is unreal to expect that application of one measure solely could have satisfactory effect in weed control. The concept of IWM system is development of the programs for weed control owing to combined or integrated application of preventive, direct, mechanical, chemical, biological and other measures. The effect of application of the chosen measures system must not be short-lived, but it has to show results during the longer period. Moreover, it isn’t literal weed eradication, but reduction of the weed number to the level which could be tolerated by the crop, without threatening of the yield and radical disturbing of the balance in agro-ecosystem. Bearing all that in mind, the effects of combined application of the different measures of IWMS (crop rotation, tillage, fertilization, sowing density, intercropping, herbicide application) in maize weed control were analysed.

weeds ; control ; integrated system of measures ; maize

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