Weeds should also be removed from around the cotton fields so that they do not consume the food meant for cotton plants and do not serve as a habitat for cotton enemy pests, says a release issued by the media liaison unit of the Punjab agriculture department here Friday.
Cotton crop is passing through flower stage and needs special attention of growers. Experts suggested spray of zinc and boron where cotton fields were deficient in nitrogenous fertilizers.
Farmers should consult agriculture officials in case of a virus attack. Pesticides recommended by agriculture officials be applied in case of an armyworm attack and when an attack by white fly and 'Sabz Taila' reaches economic threshold level (ETL).
Twice a week pest scouting should be done to control heliothis. Spray should be applied in the morning or evening time only after consulting experts and spray of the same group pesticides should be avoided.