How weeds can affect the cotton crop?
How weeds can affect the cotton crop?

Weed management is one of the most important practice in all crops.

Better the weed management, better will be the production.

Weed management is an important practice for sustainable farming system.

Presence of weeds reduce the crop yield & also reduces the quality of crop. The loss caused by weeds is more than that caused by any other reasons like diseases, insects & pests etc.

Weeds infestation adversely affect the production of cotton crop & is considered one of the major risk factors because weeds compete for available nutrients, water & sunlight.

Weeds compete with the main crop for all the essential factors required for their growth i.e. moisture, light, space & all the nutrients.

Weeds cover a large part of the field and absorb nutrients contained in the soil for crops. Generally, weeds have reduced the yield of various crops by 10 to 85 percent.

Most commonly observed weeds are Barnyardgrass, Bermudagrass, Bromegrasses, Foxtails, Horseweed, Johnsongrass, Velvetleaf, Ryegrasses and Nightshades etc.
Weed control at the right time is most important to protect crop from the losses.

Preventive measures - By using diffrent methods, the entry of weeds can be prevented in the fields such as use of certified seeds, use of well decomposed compost.

Equipment used for the preparation & sowing of the field should be cleaned properly.

Control - For the control of weeds, give 2-3 hoeing with tractor operated rotary weeder.
Spraying of Pendimethalin 30 EC, 1.5 liters @ per acre in 250-300 liters of water.

Author: Gopal Bhardwaj
Specialist in Horticulture