Karachi Cotton Association (KCA), in a statement here on Wednesday, expressed its concern that productivity of cotton in the country has been stagnated at about 12 million bales for last many years due to different reasons.

The main reason is the supply of uncertified/adulterated BT cotton seed or cotton seed to the growers for cultivation, statement added.

The KCA emphasized on multi-dimensional efforts and gearing up the Governments departments/organizations concerned to evolve new virus resistant cotton seed to improve the per acre yield of cotton in the country.

"Necessary arrangements be made to import virus resistant and well germinated cotton seed from any suitable cotton growing country to achieve the desired results," it added.