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Some bats have even been utilised in pest control experiments, keeping boll moth numbers down in cotton plantations.

But in the early years of the century, the boll weevil began devastating the cotton farms in the south.

Some biological characters and its inheritance of the causal organism of cotton boll blight in Anhui were studied in vitro.

The cotton grows on the plant as long hairs attached to the seeds inside the boll.

Planting resistant cotton varieties, agricultural and chemical control are important measures of integrated management of cotton bollworm .

(On application of pesticides in cotton field-Current situation of occurrence of cotton bollworm and its chemical control).

In the long run, they saw that the boll weevil had, in fact, done them a favor by destroying their crops.

Bolls fail to develop properly and many fail to open or open only partially. Poor quality fiber results.

By the mid 1990s, many Chinese cotton farmers could no longer control the worm with conventional pesticides.