Stink Bug on Cotton

Disease

Stink Bug on Cotton

Euschistus servus

insect

In a Nutshell

    Bolls are stained and matted superficiallySeeds may be shrunken and young bolls drop offWart like growths on the inner carpal wall of the bolls

Hosts: %1$s

· Cotton

Symptoms

Stink bugs feed on the squares and bolls of cotton. They attack mainly older bolls which then are stained and matted superficially. Seeds of the attacked bolls are shriveled and bolls may not open. If young bolls are damaged, they may drop off. The external lesions are associated with wart like growths on the interior of the boll, more precisely on the inner carpal wall where penetration has occurred. Seed feeding may result in reduced cotton production and stained cotton near the feeding site, which is a clear loss in terms of quality. Stink bugs are also known to facilitate the infection of opportunistic boll rotting organisms.

Trigger

Adults overwinter in protected areas such as ditch banks, fence rows, under boards and dead weeds, ground cover, stones, and under the bark of trees. They become active during the first warm days of spring when temperatures rise above 21°C. Normally the first generation develops on wild hosts, while the second generation typically develops on cultivated crops. Each female lays about 18 egg masses, averaging 60 eggs, over a period of over 100 days. Adults are strong fliers and will readily move between weeds and other alternate hosts.

Biological Control

Parasitic tachinid flies and wasps lay eggs into the eggs of stink bugs and their larvae later feed on the hatching maggots. Birds and spiders can also help to reduce infestation. The oil of Eucalyptus urograndis is toxic to the bugs and their nymphs.

Chemical Control

Always consider an integrated approach with preventive measures together with biological treatments if available. Seed treatments with insecticides of the pyrethroids group may provide some control and avoid damage in seedlings. Foliar application of insecticides based on acephate, dicrotophos and bifenthrin can also help to control populations.

Preventive Measures

    Plant early to avoid peak populationsMonitor regularly and rid the field of weedsClear the field of plant residues after harvestingNo-tillage practices or the presence of mulch favors the risk of infestationBarriers between fields can help to reduce the migrations of the bug




Features

Regional Weather

Get detailed forecast and actual weather data.

Plantix offers detailed weather information on the following issues:

Precipitation

Humidity

Air Pressure

Temperature

Wind speed

Plantix Community

Get in touch with experts around the world.

Post your questions

You can post your questions and pictures and get feedback from other farmers or gardeners. Plantix' experts will answer your questions related to plant diseases and pests.

MyCommunity

Exchange with Plantix users around you, in your language and related to the crops you grow.

Global Community

Connect to farmers, gardeners, experts and interested people around the world that discuss plant diseases, remedies and best practice for sustainable farming.

AI-Driven Disease Detection

Instant diagnostics and solutions based on your picture

Image Recognition

Plantix analyzes your picture within a few seconds and gives you instant feedback on your plant problem.

Customized Management Options

On top of the detection result, Plantix offers you a detailed description of possible solutions - both biological and conventional.

Preventive measures

Plantix offers information on preventive measures to protect your crop from the next attack.