Fusarium wilt of cotton

Symptoms

Yellowing and wilting that often starts on one side of the plant or one half of a leaf; brown streaks in the woody stem when split lengthwise; stunting and premature defoliation. Damage is far worse where root-knot or reniform nematodes are also present.

Plants affected

• cotton (upland cotton)

Common questions

How do I recognise Fusarium wilt of cotton on cotton (upland cotton)?

Yellowing and wilting that often starts on one side of the plant or one half of a leaf; brown streaks in the woody stem when split lengthwise; stunting and premature defoliation. Damage is far worse where root-knot or reniform nematodes are also present.

Do I have to report Fusarium wilt of cotton?

No. Fusarium wilt of cotton is not a notifiable organism, so there is nothing to report to an authority. Treat it as a normal garden problem.

How is Fusarium wilt of cotton treated?

Mainly with biological and cultural measures — removing affected material, changing the conditions that favour it, and treating with agents approved in your country. The exact steps and their timing depend on the plant, the season and where you live: Dr. Phyto works them out in a free diagnosis.