Effects of weevils on maize

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WebApr 13, 2024 · Cereal weevils, maize weevils S. zeamais, house an obligatory nutritional endosymbiont Sodalis pierantonius and occasionally Wolbachia (Zaidman-Remy et al. 2024, ... Effects of co-occurring Wolbachia and Spiroplasma endosymbionts on the Drosophila immune response against insect pathogenic and non-pathogenic bacteria. WebHowever, breeding maize crop to improve resistance against the maize weevil is associated with some technical limitations. These limitations include lack of inter-specific …

Maize Weevil - an overview ScienceDirect Topics

WebApr 10, 2024 · Maize 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 weevils and larger grain borer, LGB), and likely to be affected by climate change. WebNov 1, 2015 · Xenia effect on resistance to maize weevil and larger grain in maize @inproceedings{Munyao2015XeniaEO, title={Xenia effect on resistance to maize weevil and larger grain in maize}, author={William M Munyao}, year={2015} } W. Munyao; Published 1 November 2015; Engineering godly uplifting quotes

(PDF) Comparative Effects of Selected Botanicals as Substitute for ...

WebThese effects lasted for > 300 days, in the laboratory. Admixing sand at 50 % and tef at 70 % w/w induced weevil mortalities of about 90 % after 4 weeks, with a lowered progeny production. Treat-ments of maize with oils of neem, sunflower, maize, sesame and of Guizotia abbyssinica at 10 ml kg-1 WebMaize grains represent a significant contribution for assuring food safety all over the globe. Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae), also known as the maize weevil, is one of the most destructive pests in stored maize, causing qualitative and quantitative losses. To control S. zeamais populations in maize storage sites, synthetical … WebMar 1, 2024 · The 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 and damage, and progeny emergence. book a vatican tour

Maize seed management - Post-harvest treatment and storage

WebA positive correlation between moisture content and storage time was observed for maize stored in non-hermetic with weevils (r = 0.96, P < 0.05). The results indicate that … WebMay 17, 2024 · The results revealed 10% mortality of adult weevils after 24 h and 40% mortality after a period of 7 days. The result indicates moderate effect on mortality. Progressive increase in mortality was recorded as dose increased from 60 to 80 KeV. book a vehicle book aveda appointment online

"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. " - Effects of weevils on maize

Effects of weevils on maize

Effects of Maize Weevils (Coleoptera: Curculionidae) on …

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 ... 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 …

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WebThe 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 identified in the essential oil and the main constituents of the essential oil were 4-phenyl-2 … 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 …

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 ...

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 … 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- …

WebBrowse 25 maize weevil stock photos and images available, or search for clothes moth or food moth to find more great stock photos and pictures. grain weevils, calandra granaria …

WebThe 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 … book a vehicle test online niWebThe effects of aqueous and oil leaf extracts of Pterocarpus santalinoides at concentrations of 5, 10, 15 and 20%v/v, each as proctectant in the control of the maize weevil, Sitophilus zeamais, were compared with a conventional insecticide, pirimiphos-methyl at a rate of 0.5 ml / 50 g maize grains of Oba Super II variety in a Completely Randomized Design with … book a vehicle inspection saWebMaize 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 … godly usWeb2 days ago · This study determined the seed generation effect on the quality of genetic information obtained from a maize diallel cross. Eight weevil-resistant and two susceptible maize inbred lines from ... book a vehicle motWebIt 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. book a vehicle retestWebAmong the selected extracts, the aqueous extracts of N. tabacum and W. coagluans prolonged the growth of maize weevil and inhibited the fresh progeny of adults from … book ave mariohttp://article.sapub.org/10.5923.j.ijaf.20160602.06.html book a vegas vacation