Converse of subject

• destroy: In 1996, Monsanto's pest-resistant Bt-cotton succumbed to a heat wave in the southern US and was destroyed by bollworms and other pests.

Converse of object

• control: So it will not control the bollworm all the time.

• kill: BT cotton is an insect-resistant variety of cotton seed, which contains a gene to kill the bollworm.

Adjective modifier

• pink: ARTICLES Terminator Insects The Killing of Females GM pink bollworms are a prelude to developing female-killing traits to control bollworm pests.

• American: By the time the American bollworm appears on the scene the cotton field is bereft of its natural enemies.

• transgenic: The transgenic bollworms are genetically modified using the piggyBac transposon.

• spotted: Six NPM farmers reported an absence of spotted bollworm compared to two Bt farmers.

• resistant: Resistant bollworm thrives on a diet containing Cry as well as on cotton modified with a gene for Cry1Ac.

Modifies a noun

• pest: Later, the piggyBac vector may be used to insert female killing genes carried by GM male moths to eradicate the bollworm pest.

• egg: Bollworm egg parasitoids will consequently be favored in a Bt cotton agricultural system in which fewer insecticides are used.

• larva: Hence, moth catches and egg counts can not be used to predict bollworm larvae numbers in the field.

• population: The use of refuges relying on a high dose strategy has been proposed to delay the development of resistance in bollworm populations.

• complex: Bt cotton plants are resistant to the bollworm complex ( specific caterpillar pests ), an enormous source of damage to cotton fields.

• caterpillar: The scientists have been tracking resistance of Bt cotton in pink bollworm caterpillars, since Arizona's farmers started planting the crop in 1996.