Effects of weevils on maize

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August undefined, 2024

WebThe ability of the plant powders to protect maize grains from the weevils was assessed in terms of mortality rates after 24 to 96 h of post-treatment, percentage grain weight loss … WebThe maize weevil, Sitophilus zeamais, is a ubiquitous pest of maize and other cereal crops worldwide and remains a threat to food security in subsistence communities. Few …

(PDF) Maize and the maize weevil: Advances and innovations in ...

WebIt is necessary to do the crop protection from infestation of other pests before maize weevil attack the open cob due to imperfect cornhusk since it will be conducive to the entry of cob borer and corn stem borer. If such condition happens, the corn kernels will be easy to be attacked by maize weevil since the cobs are still in the crop. WebNov 1, 2024 · Loss of the nutritional and physical properties of stored food stuff due to infestation by weevils, bruchids and other insects and pests is very common. Deterioration of quality and quantity of the food stuff is greatly affected by physical, biological, chemical and engineering factors. rv air conditioner sizing

Insect Pest Infestation During Storage of Cereal Grains, Pulses and ...

Webstored maize include: • The Grain weevil (Sitophilus zeamais), which can fly and the Granary weevil (Sitophilus granarius), which cannot fly. • Angoumois Grain Moths (Sitotroga cerealella). • Grain borers: Larger grain borer (Prostephanus truncates) and the lesser grain borer (Rhyzopertha dominica). WebDec 1, 2024 · The results of the study show that all the botanicals were effective in the treatment and prevention of maize weevil from invading stored maize grain and their use could be adopted in prolonging ... WebMay 25, 2024 · The usage of toxic chemicals to control weevils has mostly led to development of insecticides resistance, Excessive and acute toxicity, long duration of degradation, ill effects on the environment and carcinogenic issues are some of the problems related to synthetic chemicals used to minimize postharvest losses. rv air conditioners shaking trailer

Full article: Militia feruginaea solvent extracts on maize weevils …

Population genetic structure of the maize weevil, Sitophilus …

WebMaize is the major food staple in Eastern and Southern Africa; it is mostly produced and stored on small-scale farms, prone to storage losses from pests (in particular maize … WebThe maize weevil commonly attacks standing crops, in particular, maize before harvest, and is also commonly associated with rice. It infests raw or processed cereals such … rv air conditioner sound baffleWebMaize Weevil ( Sitophilus zeamais Motschulsky) López-Vergé et al. (2013) studied the effects of adding maize weevil larvae to the diet on performance parameters. The animals were divided into two treatment groups (insect-infested diet … is clapper the new tiktok

"Web2 days ago · The maize weevil, Sitophilus zeamais, is a ubiquitous pest of maize and other cereal crops worldwide and remains a threat to food security in subsistence communities. ... We employed strict SNP filtering to manage large next generation sequencing lane effects and this study is the first to find fine-scale genetic population structure in the ... " - Effects of weevils on maize

Effects of weevils on maize

Assessment of insect nfestation in stored maize and their …

WebCorn kernels infested with A. flavus-contaminated weevils had significantly higher levels of aflatoxin B 1 than A.. flavus-inoculated corn without weevils. The presence of maize weevils resulted in increased kernel moisture content during incubation, and grain moisture was. positively correlated with aflatoxin content across treatments ... http://article.sapub.org/10.5923.j.ijaf.20160602.06.html

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WebHowever, breeding maize crop to improve resistance against the maize weevil is associated with some technical limitations. These limitations include lack of inter-specific … WebLópez-Vergé et al. (2013) studied the effects of adding maize weevil larvae to the diet on performance parameters. The animals were divided into two treatment groups (insect …

WebJul 3, 2024 · Directly, damages inflicted by S. zeamais by its feeding and development make the market value of maize decline, as well as reduce germination rates, seed weight, and the nutritional value of the... WebMaize weevil has only 8 polymorphic and amplifiable microsatellite loci identified [9]. Historically, it was challenging to generate a large number of informative SNPs for a non- ... components 2 and 3 removes the lane effect and shows that weevils from each community group tightly together. There is a group of four communities in Oaxaca that ...

WebThe first study found 100% maize weevil mortality for hermetically sealed containers and the oxygen levels inside them declined from 21% to between 3 and 10%. From the maize, maize-amaranth experiment, it was concluded that blending maize with amaranth during storage reduced maize weevil population growth by 46% compared to storing maize alone. WebWeevils (Sitophilus spp) are serious pests that can damage sorghum grains in stores if not controlled. The infestation of sorghum by the pest can cause huge economic loss ranging from 15% to 75%...

WebThe larger grain borer Prostephanus truncatus Horn and the maize weevil Sitophilus zeamais Motschulsky are important pests of stored maize in the tropics, particularly …

WebThe maize weevil has a snout/beak and elbowed antennae. The antennae have eight segments and are often carried in an extended position when the insect is walking. The … rv air conditioners and heater rooftophttp://www.knowledgebank.irri.org/images/docs/maize-seed-management-postharvest-treatment-and-storage.pdf rv air conditioner watts generatorWebThe screening of several Chinese medicinal plants for insecticidal principles showed that essential oil of Rhododendron anthopogonoides flowering aerial parts possessed significant toxicity against maize weevils, Sitophilus zeamais. A total of 37 components were … rv air conditioner with soft startWebJan 4, 2024 · The maize weevil, Sitophilus zeamais, and the red flour beetle, Tribolium castaneum, respectively, are among the most destructive primary and secondary pests that are responsible for food insecurity rural poor (Hiruy & Getu, 2024; Srivastava & Subramanian, 2016 ). is clara harris out of prisonWebTypical weevil feeding damage appears as notching or small holes in the leaves. The larvae (black vine weevil larvae) of many weevils feed on the roots of plants (damage). One of … is clare balding illWebThe maize weevil is a small snout beetle which varies in size, averaging about three thirty-seconds inch in length. It varies from dull red-brown to nearly black and is usually … is claptrap in tiny tina\\u0027s wonderlandsWebeffect to S. zeamais and P. truncatus in grains treated with the botanicals. Maize ... (Throne & Eubanks, 2002). Maize weevil, show cosmopolitan distribution, occurring in numerous … is claptrap in tiny tina\u0027s wonderlands