NEW FORMULATION OF GLYPHOSATE AND RECENT DEVELOPMENTS ON THE USES OF GLYPHOSATE IN INDIA

Glyphosate usage is much lower in developing countries. Labour availability for weed control is a big question. Time available for de-weeding operations is also very less. Cost involved in manual weed control is very high. Cyperus and Cynodon multiply very fast after manual weed control. Successful weed control depends on interactions between weeds (growth habit/size), environmental factors (light, temperature, moisture, wind) and quality of the spray solution. The environment plays major role in the physical development of plants. The size, shape, and thickness of leaves, cuticle, wax deposition, and changes in the water and nutrient status within plants are crucial. These changes affect glyphosate efficacy in several ways viz., interception, retention, penetration, translocation to the site of action. Prevailing environmental conditions also, before, at and after application affect glyphosate performance. Actively growing plants are ideal for glyphosate penetration and retention. Rain and high wind at time of application are not desired at all. Glyphosate inhibits the shikimate pathway enzyme EPSPSase; the enzyme that acts late in that pathway. Glyphosate reduces the weed population and their decomposition makes the soil porous. Glyphosate usage other than in orchards are pre tillage / post harvest, pre harvest, after sowing before germination, before sowing/germination, inter-row and non-crop area. Through Herbidisk in segments like PT/PH, time, labour and water can be saved. However, for sure adjuvant gives better rainfastness.