Biodiversity of weeds in Grape Fields Vijayapura, Karnataka, India

Grape (Vitis vinifera L.) is one of the most important fruit crops of temperate zone. Vijayapura, a district in Karnataka state, India, stands out as a leading hub for grape production, renowned for its high-quality grapes. The eradication and management of weeds from the cropping systems are major issues for farmers. Different chemical, biological and mechanical techniques are applied to eradicate the weeds from the agriculture farms. The successful weed management is only possible when proper identification, characterization and life cycle of weeds are extensively studied. The harmful and useful, both aspects of weeds must be considered in any eradication scheme. For example, the leguminous weeds may increase the soil fertility by nitrogen fixation. Similarly, we must think for proper utilization of eradicated weeds in various uses. Weeds are still used as traditional medicinal plants. The weeds with medicinal properties may be supplied to pharmaceutical companies for further utilization. Directly or indirectly it will enhance the income of the farmers. Therefore, the present study provides a base line data which may be utilized by many people involved in weed research.