At last the bollworm
had attacked the cotton--the poison ivy was reaching out its tendrils to entwine the summer boarder--the millionaire lumberman, thinly disguised as the Alaskan miner, was about to engulf our Milly and upset Nature's adjustment.
The step has been taken after thorough consultations with cotton scientists in order to control pink bollworms
The ban has been imposed to avoid attack of pink bollworms
on cotton crop.
Bt technology offers the cheapest and most efficient method of protecting the crops against the dreaded pest, bollworms
in several crops such as; cotton, brinjal, maize, chickpea and pigeon pea etc.
The practice implemented for assessing infestation of chewing pests involved estimating of injury due to all kind of bollworms
recorded on shoots, squares, flowers and bolls at regular intervals.
Screening of some insecticides against the cotton bollworms
, Pectinophora gossypiella (Saund.
Bt technology is effective only against specific types of bollworms
that are known to cause maximum yield loss and economic damage to the cotton crop," said a spokesman for Mahyco Monsanto Biotech (India) Pvt.
19] found no significant effect on application of plant growp regulator (NAA) and micronutrients on multiplication of percent infestation of bollworms
ISLAMABAD -- Farmers and agriculture scientists are alarmed by the destructive attack of bollworms
this year that seem to have developed resistance against the genetically-modified (GM) cotton crop.
Cotton in Pakistan is mainly damaged by number of Sundies like spotted bollworms
, American bollworms
, pink bollworms
and Army worms, to name a few.
The main purpose of Bt cotton was to control bollworms
to enhance yield and production of cotton in the country.
In India, though, local pink bollworms
became resistance within six years, simply because farmers did not follow the guidelines or get this support.