Sitophilus species have been reported to develop resistance to synthetic chemicals 6,7. Infestation, population density and sterilization effects. Beauveria bassiana, metarhizium anisopliae, verticillium lecanii and paecilomyces farinosus to the rice weevil sitophilus oryzae was tested. Biological and mechanical control of sitophilus oryzae. Entomotoxic effect of silica nanoparticles against sitophilus. Laboratory studies on control of the maize weevil sitophilus zeamais by the parasitoid anisopteromalus. Assignment of 1dproton by nmr, 1 h1 h cosy, 2dtocsy 1 h1 h, had been. The development of resistance to these substances and the demands of consumers for residuefree. Grain marketing and production research center, manhattan, ks. 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. Entomotoxicity of snp was tested against rice weevil sitophilus oryzae and its efficacy was compared with bulksized silica individual particles larger than 1.
It is very similar in appearance to the granary weevil. Madushani ag12ft012 department of food science and technology faculty of agriculture university of peradeniya rice weevil 1. Rice weevil, sitophilus oryzae linnaeus is a major pest of stored grains in the tropics and subtropics. Sitophilus oryzae l is the most destructive insect pest of stored maize and is widely distributed in tropical regions. The use of modified atmospheres to control sitophilus zeamais and sitophilus oryzae on stored rice in portugal. Efficacy of entomopathogenic fungi against the stored. 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. Pronotum is separated by strong constriction from bases of wings. Rice weevil sitophilus oryzae storedproduct part in the speed with which stored insects product insect populations increase. Rice weevils are usually found in grain storage facilities or processing plants, infesting wheat, oats, rye, barley, rice, and corn.
Curculionidae has a tremendous adaptability in feeding behaviour, making it a serious invasive pest of stored cereals. Many workers subsequently recognized that two distinct forms of the species existed, which were described as the. Curculionidae, is an important pest of stored grains throughout the world. Inhibitory effect of buprofezin on the progeny of rice weevil, sitophilus oryzae l. The rice weevil sitophilus oryzae is a serious stored product pest which attacks several economically important crops. With the combined release, only 2% f 1 progeny of the pest beetles emerged compared to the untreated control 100%, whereas 3. Control os sitophilus oryzae and oryzaephilus surinamensis in rice by co2 under increasse pressure. The toxicity by contactinhalation of essential oils, alone or in combination, in different concentrations is evaluated against young adults of s. It is a serious pest not only of paddy and rice but almost of all cereals and their products. The rice weevil sitophilus oryzae is universally regarded as one of the most destructive primary pests of stored cereals. For powdery formulation, the test of contactingestion.
This is the first report on the pesticidal activity of the plant extracts and synthesized nanoparticles. Larvae feed inside the seed and make in hollow and exit by making a circular hole on the surface. 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. Eggs, larvae and pupae are all found within tunnels and chambers bored in the grain and are thus not normally seen. Identification and metabolite profiling of sitophilus. Curculionidae in rice the combination of mechanical and biological methods was evaluated in the laboratory to. Threat of damage to grains due to microorganisms may be controlled. Ab 2111 postharvest biology rice weevil sitophilus oryzae by w. However, the rice weevil is reddishbrown to black in color with four.
Efficacy of plantmediated synthesized silver nanoparticles. 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. Rice weevil, sitophilus oryzae specialized websites. Curculionidae 2 grain kernel for an average of 18 days. The combined efficacy of malathion and bifenthrin for the. Sorghum resistance to the rice weevil, sitophilus oryzae. Padmasri and others published management of rice weevil sitophilus oryzae l. Curculionidae, was evaluated under laboratory conditions at two different temperatures.
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. 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. Veronica benzi1, natalia stefanazzi1, and adriana a. 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. Adults usually redbrown, dull with coarse microsculpture. In the present study, eighteen maize genotypes were screened for several. Control of weevils involves locating and removing all potentially infested food sources.
In freechoice tests, the orientation and colonisation. 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. 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. Research on the control of insect and rodent pests of wheat in ethiopia. Control the most important aspect of control is location of the source of the infestation. The present study identifies the metabolite composition of sitophilus oryzae s. Evaluation of spinetoram and spinosad for control of. Batta laboratory of plant protection, department of plant production and protection, faculty of agriculture, annajah national university, p.
Evaluation of the entomopathogenic fungi beauveria bassiana. Sitophilus oryzae maize weevil sitophilus zeamais head not visible from above 18 inch long or more. Batta laboratory of plant protection, department of plant production and protection, faculty of agriculture, annajah national university. They attack wheat, corn, oats, rye, barley, sorghum, buckwheat, dried beans, cashew nuts, wild bird seed, and cereal products, especially macaroni.
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. Your use of this pdf, the bioone complete website, and all posted and associated content indicates your. 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. 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. It prefers warmer climates and so is more prevalent in the southern states. Evaluation of spinetoram and spinosad for control of prostephanus truncatus, rhyzopertha dominica, sitophilus oryzae, and tribolium confusum on stored grains under laboratory tests. Request pdf biological and mechanical control of sitophilus oryzae coleoptera. The pupa is naked and the pupal stage lasts an average of 6 days. Control techniques bird damage control directions for using this manual. Feb 25, 2017 rice weevil videos are few and far between, heres my introduction to the major stored grain pest. Biological activity of essential oils from leaves and fruits of pepper tree schinus molle l.
Curculionidae, governing the antixenosis component of resistance. Sometimes, they are also found infesting beans, sunflower seeds and dried corn. An introduction to the rice weevil sitophilus oryzae youtube. Pdf the use of modified atmospheres to control sitophilus. Grain marketing and production research center, manhattan, ks 66502, u. Efficacy and safety of some plant extracts as alternatives for sitophilus oryzae control in rice grains. These vulnerabilities could be reduced by developing a method for early detection and targeting of insect infestations in stored triticale. Sitophilus oryzae, the rice weevil zoology for ias, ifos. An introduction to the rice weevil sitophilus oryzae. In fact, it is the commonest pest that one encounters in all kinds of stores. The development of resistance to these substances and. Dobie and kilminster, 1978, especially in warm climates, like florida, where populations can grow rapidly. Efficacy and safety of some plant extracts as alternatives.
Sitophilus oryzae is usually found in grain storages and processing plants. Laboratory evaluation of chemicalbiological control of. Sorghum resistance to the rice weevil, sitophilus oryzae l. The new adult will remain in the seed for 3 to 4 days while it hardens and matures. Laboratory evaluation of chemicalbiological control of the. The rice weevil is replaced by the granary weevil north of north carolina and tennessee. Identification and metabolite profiling of sitophilus oryzae. The adult rice weevil can fly and is attracted to lights. Apr 23, 2011 the rice weevil sitophilus oryzae is universally regarded as one of the most destructive primary pests of stored cereals.
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. Minimization of energy transduction confers resistance to. 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. 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. Keywords euphorbia prostrata, sitophilus oryzae, silver nanoparticles, xrd, ftir, sem introduction rice is the most important food crop for. Efficacy of entomopathogenic fungi against the storedgrain. The most important aspect of control is location of the source of the infestation.
Entomotoxic effect of silica nanoparticles against. They infest wheat, oats, rye, barley, rice, and corn. Pdf control of sitophilus zeamais motsch coleoptera. Effects of six botanical plant powder extracts on the control of rice. The rice weevil figure 1 is small, 110 inch 2 to 3 mm and stout in appearance. Curculionidae with various formulations of metarhizium anisopliae. Biological activity of essential oils from leaves and schinus. Rice weevil videos are few and far between, heres my introduction to the major stored grain pest. Adults can damage several seeds by cutting an irregularly. Pasquale trematerra, james throne, in durum wheat second edition, 2012. Infestation, population density and sterilization effects on. The combination of mechanical and biological methods was evaluated in the laboratory to assess their impact on the rice weevil sitophilus oryzae in rice. Eggs, larvae and pupae are all found within tunnels. Sitophilus oryzae linnaeus coleoptera curculionidae and s.