cotton stainer control

Always consider an integrated approach with preventive measures and biological treatments if available. This cotton stainer damages cotton plants by sucking the sap and destroys the cotton bolls by staining them with excrement. It is the only genus in the family Pyrrhocoridae that includes insects of economic importance. Annual Bulletin of the Department of Agriculture of Nigeria, 2:23-58. Cotton stainers are attacked by a range of natural enemies; the most important are assassin bugs, ants, spiders, birds and parasitic flies. It is a serious pest of cotton crops, the adults and older nymphs feeding on the emerging bolls and the cotton seeds as they mature, transmitting cotton-staining fungi as they do so. Chemical Control. To access the effects of CHI2 chitinase in virulence, the cotton stainer bug Dysdercus peruvianus was used as a host. Other articles where Cotton stainer is discussed: red bug: The genus Dysdercus is one of the most destructive cotton pests in North America and India. They can range from ¼ cm to 1 cm in length. Prasad A; Saxena SC, 1990. This species lost its importance on cotton … This is a good option for small plots grown next to the homestead. Dysdercus is a large genus of plant bugs distributed across subtropical, tropical, and some temperate regions of both the Old and New Worlds. Caging chickens in cotton plots using chicken wire may control cotton stainers; about 15 birds will keep about 0.1 ha free of stainer bugs. Feeding by the cotton stainer also interferes with the … Pomeroy AWJ; Golding FD, 1923. Adults have a dark pattern on their red backs but young ones are only red or pink. The foliar application of insecticide formulations containing chlorpyrifos, esfenvalerate, bifenthrin, deltamethrin, lambda-cyhalothrin or indoxacarb works against the pink bollworm and has shown to reduce dusky cotton stainer population as well. The Genus Dysdercus. About 75 species are recognized worldwide and are collectively known as cotton stainers ( Schaefer and Ahmad 2000). The cotton stainer is a bug, sometimes called the “red bug” or “red cotton stainer”. The length is ½ inch or slightly longer. The cotton stainer is mainly a pest of long staple cotton. Cotton stainers 22. Cotton stainer (red cotton bug) was often treated as a minor pest earlier but due to the consequent adoption of such cotton varieties have allowed the cotton stainer … CHI2 overexpression constructs showed higher efficiency in host killing suggesting that the production of this chitinase by a constitutive promoter reduces the time necessary to kill the insect. Pale cotton stainer bug (Dysdercus sidae) Pale cotton stainer bugs generally arrive in cotton around the time of first open boll. Observations on the life histories of cotton stainers bugs of the genus Dysdercus, and on their economic importance in Southern provinces of Nigeria. Morrill (1910) stated the cotton stainer was the most destructive cotton pest in Florida. these is the cotton stainer, Dysdercus suturellus (Herrich- Schaeffer). Cotton stainer (Dysdercus suterellus [Herrick-Schaffer]) Identification. Red cotton bug : Dysdercus cingulatus ( Pyrrhocoridae : Hemiptera ) Adults are bright red coloured bugs with eyes, scutellum and antennae are black in colour Ventral side of the abdomen with white stripes A prominent black spot is present on each side of the hemelytron 23. Adults mate soon after arrival resultng in an expanding population of developing nymphs. Dysdercus cingulatus is a species of true bug in the family Pyrrhocoridae, commonly known as the red cotton stainer. The stainers attack cotton seeds and bolls. The head and pronotum are bright red; the remainder of the body is dark brown crossed with pale yellow lines. As they feed, the bugs produce a … Immature stages are smaller but resemble adults without wings.… It damages developing bolls by puncturing seeds and causing plant sap to exude from the feeding site. The plant sap stains the lint an indelible yellow color. The adult cotton stainer is a "true bug" with piercing, sucking mouthparts. At one time small piles of sugarcane were put between rows… Currently, the cotton stainer is a minor pest of cotton, and then only in the southern part of the state.

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