Control of weevils involves locating and removing all potentially infested food sources. Eggs, larvae and pupae are all found within tunnels and chambers bored in the grain and are thus not normally seen. Request pdf biological and mechanical control of sitophilus oryzae coleoptera. Mar 22, 2014 evaluation of spinetoram and spinosad for control of prostephanus truncatus, rhyzopertha dominica, sitophilus oryzae, and tribolium confusum on stored grains under laboratory tests. Efficacy of the five native entomopathogenic fungi epfs, beauveria bassiana, isaria fumosorosea, lecanicillium muscarium, metarhizium anisopliae, and simplicillium lamellicola, against adults of the storedgrain insect pests, sitophilus granarius and sitophilus oryzae coleoptera. Biological and mechanical control of sitophilus oryzae. Rice weevils are usually found in grain storage facilities or processing plants, infesting wheat, oats, rye, barley, rice, and corn. Sitophilus oryzae is usually found in grain storages and processing plants. For powdery formulation, the test of contactingestion.
Threat of damage to grains due to microorganisms may be controlled. Pdf the use of modified atmospheres to control sitophilus. Grain marketing and production research center, manhattan, ks. Sitophilus oryzae linnaeus coleoptera curculionidae and s. The rice weevil figure 1 is small, 110 inch 2 to 3 mm and stout in appearance. They infest wheat, oats, rye, barley, rice, and corn.
Padmasri and others published management of rice weevil sitophilus oryzae l. In an attempt to find alternative to control this insect, extracts of seven plant species bauhinia purpurea, caesalpinia gilliesii, cassia fistula, cassia senna, chrysanthemum frutescens, euonymus japonicus and thespesia populnea acutiloba were evaluated under laboratory. These vulnerabilities could be reduced by developing a method for early detection and targeting of insect infestations in stored triticale. Curculionidae with various formulations of metarhizium anisopliae. The pupa is naked and the pupal stage lasts an average of 6 days. Infestation, population density and sterilization effects on. The rice weevil sitophilus oryzae is universally regarded as one of the most destructive primary pests of stored cereals. Rice weevil sitophilus oryzae storedproduct part in the speed with which stored insects product insect populations increase. The combined efficacy of malathion and bifenthrin for the control of rhyzopertha dominica, sitophilus oryzae and tribolium castaneum bm chen1,2, eli shaaya and moshe kostjukovsky abstract at 27c and 50% r h. Control os sitophilus oryzae and oryzaephilus surinamensis in rice by co2 under increasse pressure. An introduction to the rice weevil sitophilus oryzae youtube. Rice weevils in all stages of development can be killed by freezing infested food below 0 f 18 c for a period of three days, or heating to 60 c 140 f for a period of 15 minutes. However, the rice weevil is reddishbrown to black in color with four.
Evaluation of spinetoram and spinosad for control of. Jan 01, 2014 recipients will receive an email with a link to evaluation of the entomopathogenic fungi beauveria bassiana, metarhizium anisopliae, and isaria fumosorosea for control of sitophilus oryzae and will not need an account to access the content. The most important aspect of control is location of the source of the infestation. The species is originally from india, but now it is found around the world as its has been transported in grain. Ab 2111 postharvest biology rice weevil sitophilus oryzae by w. Minimization of energy transduction confers resistance to. In fact, it is the commonest pest that one encounters in all kinds of stores. Curculionidae, governing the antixenosis component of resistance.
Sitophilus species have been reported to develop resistance to synthetic chemicals 6,7. Laboratory studies on control of the maize weevil sitophilus zeamais by the parasitoid anisopteromalus. Biological activity of essential oils from leaves and schinus. Efficacy of entomopathogenic fungi against the storedgrain. Pronotum is separated by strong constriction from bases of wings. The development of resistance to these substances and.
Amorphous snp was found to be highly effective against this insect pest causing more than 90% mortality, indicating the effectiveness of snp to control insect pests. Sitophilus oryzae l is the most destructive insect pest of stored maize and is widely distributed in tropical regions. Infestation, population density and sterilization effects. Efficacy and safety of some plant extracts as alternatives for sitophilus oryzae control in rice grains. Some of these include threats posed by microorganisms, insects, mites, birds and rodents. Biological activity of essential oils from leaves and fruits of pepper tree schinus molle l. Feb 25, 2017 rice weevil videos are few and far between, heres my introduction to the major stored grain pest. Keywords euphorbia prostrata, sitophilus oryzae, silver nanoparticles, xrd, ftir, sem introduction rice is the most important food crop for more than half of the worlds population. Larvae feed inside the seed and make in hollow and exit by making a circular hole on the surface. Pdf control os sitophilus oryzae and oryzaephilus surinamensis. Sorghum resistance to the rice weevil, sitophilus oryzae l.
Evaluation of the entomopathogenic fungi beauveria. The new adult will remain in the seed for 3 to 4 days while it hardens and matures. The main method of pest control of stored rice grain has been. Sep 29, 2010 entomotoxicity of snp was tested against rice weevil sitophilus oryzae and its efficacy was compared with bulksized silica individual particles larger than 1. The toxicity by contactinhalation of essential oils, alone or in combination, in different concentrations is evaluated against young adults of s. Sitophilus oryzae lesser grain weevil or rice weevil. Pasquale trematerra, james throne, in durum wheat second edition, 2012.
Adults can damage several seeds by cutting an irregularly. The combination of mechanical and biological methods was evaluated in the laboratory to assess their impact on the rice weevil sitophilus oryzae in rice. Efficacy and safety of some plant extracts as alternatives. Evaluation of spinetoram and spinosad for control of prostephanus truncatus, rhyzopertha dominica, sitophilus oryzae, and tribolium confusum on stored grains under laboratory tests. Curculionidae, was evaluated under laboratory conditions at two different temperatures. Sometimes, they are also found infesting beans, sunflower seeds and dried corn. Species oryzae wayback in 1763 it was known as calandra oryzae. In freechoice tests, the orientation and colonisation. Effects of six botanical plant powder extracts on the control of rice. Apr 23, 2011 the rice weevil sitophilus oryzae is universally regarded as one of the most destructive primary pests of stored cereals.
Identification and metabolite profiling of sitophilus oryzae. However, frequent worldwide emergence of ph 3 resistant ph 3 r insect pests including rice weevil sitophilus oryzae 2, cryptolestes ferrugineus 3,4, rhyzopertha dominica 5. Keywords euphorbia prostrata, sitophilus oryzae, silver nanoparticles, xrd, ftir, sem introduction rice is the most important food crop for. This is primarily a pest of rice but occasionally attacks wheat, corn, jowar, flour, beans, dry fruits and biscuits. Batta laboratory of plant protection, department of plant production and protection, faculty of agriculture, annajah national university, p. Sitophilus oryzae maize weevil sitophilus zeamais head not visible from above 18 inch long or more. Curculionidae with various formulations of metarhizium anisopliae y. This is the first report on the pesticidal activity of the plant extracts and synthesized nanoparticles. Dobie and kilminster, 1978, especially in warm climates, like florida, where populations can grow rapidly.
An introduction to the rice weevil sitophilus oryzae. Rice weevil, sitophilus oryzae linnaeus is a major pest of stored grains in the tropics and subtropics. Grain marketing and production research center, manhattan, ks 66502, u. Pdf control of sitophilus zeamais motsch coleoptera. Laboratory evaluation of chemicalbiological control of the. Your use of this pdf, the bioone complete website, and all posted and associated content indicates your.
Control techniques bird damage control directions for using this manual. Rice weevil, sitophilus oryzae specialized websites. The combined efficacy of malathion and bifenthrin for the. The present study identifies the metabolite composition of sitophilus oryzae s. Assignment of 1dproton by nmr, 1 h1 h cosy, 2dtocsy 1 h1 h, had been. Efficacy and safety of some plant extracts as alternatives for sitophilus oryzae control in rice grains article pdf available in journal of entomology 92 february 2012 with 149 reads. Entomotoxic effect of silica nanoparticles against sitophilus. Curculionidae has a tremendous adaptability in feeding behaviour, making it a serious invasive pest of stored cereals. Research on the control of insect and rodent pests of wheat in ethiopia. Entomotoxic effect of silica nanoparticles against. In the present study, eighteen maize genotypes were screened for several.
Laboratory evaluation of chemicalbiological control of. Rice weevil videos are few and far between, heres my introduction to the major stored grain pest. It prefers warmer climates and so is more prevalent in the southern states. Sitophilus oryzae, the rice weevil zoology for ias, ifos. They attack wheat, corn, oats, rye, barley, sorghum, buckwheat, dried beans, cashew nuts, wild bird seed, and cereal products, especially macaroni. Mechanical methods comprising the conventional polishing process applied either before or after infestation, resulting in reduced nutritional quality plus the added effect of mechanical impact in the presence of the pest, biological methods. Inhibitory effect of buprofezin on the progeny of rice weevil, sitophilus oryzae l. It is very similar in appearance to the granary weevil. Although not often found in the home, they are sometimes found infesting beans, birdseed, sunflower seeds, dried corn, and too a lesser degree macaroni and spaghetti. Efficacy of plantmediated synthesized silver nanoparticles. Curculionidae, is an important pest of stored grains throughout the world. Identification and metabolite profiling of sitophilus. Evaluation of the entomopathogenic fungi beauveria bassiana.
Madushani ag12ft012 department of food science and technology faculty of agriculture university of peradeniya rice weevil 1. The adult rice weevil can fly and is attracted to lights. Adults usually redbrown, dull with coarse microsculpture. Control the most important aspect of control is location of the source of the infestation. Curculionidae 2 grain kernel for an average of 18 days. Entomotoxicity of snp was tested against rice weevil sitophilus oryzae and its efficacy was compared with bulksized silica individual particles larger than 1. Batta laboratory of plant protection, department of plant production and protection, faculty of agriculture, annajah national university. Thirtyfive grain sorghum genotypes representing 6 variable groups ablines, rlines, commercial varieties, germplasms, mutants and locals were evaluated for the orientation, colonisation and oviposition responses of the rice weevil, sitophilus oryzae l. Veronica benzi1, natalia stefanazzi1, and adriana a. The rice weevil is replaced by the granary weevil north of north carolina and tennessee. Recipients will receive an email with a link to evaluation of the entomopathogenic fungi beauveria bassiana, metarhizium anisopliae, and isaria fumosorosea for control of sitophilus oryzae and will not need an account to access the content. Beauveria bassiana, metarhizium anisopliae, verticillium lecanii and paecilomyces farinosus to the rice weevil sitophilus oryzae was tested. Sorghum resistance to the rice weevil, sitophilus oryzae. Curculionidae in rice the combination of mechanical and biological methods was evaluated in the laboratory to.
Many workers subsequently recognized that two distinct forms of the species existed, which were described as the. The use of modified atmospheres to control sitophilus zeamais and sitophilus oryzae on stored rice in portugal. The rice weevil sitophilus oryzae is a serious stored product pest which attacks several economically important crops. Eggs, larvae and pupae are all found within tunnels. Oct 10, 2019 however, frequent worldwide emergence of ph 3 resistant ph 3 r insect pests including rice weevil sitophilus oryzae 2, cryptolestes ferrugineus 3,4, rhyzopertha dominica 5, and tribolium. Efficacy of entomopathogenic fungi against the stored. The development of resistance to these substances and the demands of consumers for residuefree. It is a serious pest not only of paddy and rice but almost of all cereals and their products.
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