Man has attempted to control unwanted vegetation, the weeds, with some kind of chemical since centuries. But a real breakthrough in the chemical control of weeds was achieved in 1945 with the announcement of 2,4-D and MCPA in the USA and England, respectively, as highly selective, growth regulator type of herbicides to control broadleaf weeds in small grains. It is [...]
In this article we will discuss about the herbicides used in plantations of India. In India, plantation crops like tea, coffee, and rubber are infested with difficult weeds like Chromolaena odorata (= Eupatorium odoratum), Imperata cylindrica, Pennisetum clandestinum, Paspalum conjugatum, Mikania micrantha, and Oxalis spp., besides several other common weeds. Among the parasitic weeds, dodder (Cuscuta spp.) is common in [...]
In India, as in many other countries, grasslands abound in shruby and herbaceous weeds that are unpalatable and, many a time, harmful to the animals. These reduce the area under palatable grasses which, in turn, lowers the grassland productivity. Good grassland management practices like deferred grazing; fertilizer application, reseeding of the gaps, and soil and water conservation practices boost the [...]