chemical control of sitophilus oryzae

By continuing you agree to the use of cookies. UV-light traps are widely employed to monitor and control flies in bakeries, restaurants, and food processing plants. Two internally feeding grain beetles: (a) lesser grain borer Rhyzopertha dominica and (b) granary weevil Sitophilus granarius. It is possible either that these intermediates are present at very low levels, and were simply not detected, or that they are not directly involved in the biosynthesis of multistriatin. for the control of the S. oryzae. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. Ecol. Phillips, T.W., Jiang, X.-L., Burkholder, W.E., Phillips, J.K., and Tran, H.Q. (1983) observed that boring female S. multistriatus and male S. scolytus also produced (4S)-4-methyl-3-heptanone (LXXV), which was suggested to be an intermediate in the biosynthesis of 4-methyl-3-heptanol and/or a pheromone itself. Sitophilus oryzae is a major stored grain pest infesting many grains in storage but rice is its main target of attack. Siting of traps is important to minimize the chances of attracting insects from outside the building or contaminating food with biological material falling out from the grid or tray. 19:723-734. Many different flies are hygiene threats in industry, including house flies, blow flies, fruit flies, and drain flies, each originating from different sources of hygiene failure. Coleopteran pheromones of possible acetogenin origin. Others, such as the biscuit beetle and granary weevil, famous for infesting sailors’ biscuits and grain supplies in the days of sailing ships, are native to temperate regions. While in vitro physicochemical assays characterize most of these as antioxidants, recent work shows that in eukaryotic cells EOs can act as prooxidants affecting inner cell membranes and organelles such as mitochondria. Long-term infestation problems are revealed if the mealworm Tenebrio molitor L., at 12–17 mm in length the largest of all stored-product beetles, Gnatocerus spp. Properly used, light traps can keep problems under control as long as adequate attention is also paid to remove potential sites for larval development. This hypothesis seems especially viable since the epoxidation of LXXVI to give LXXVII, followed by acid-catalyzed rearrangement of the latter, gives multistriatin (Pearce et al., 1975; Gore et al., 1977). The occurrence of phenolic substances in arthropods. /Title (651-966_Proceedings) These insects feed only on products that are deteriorated, damp, and moldy. %PDF-1.1 Estragole and (+)-fenchone found in the EO of Foeniculum vulgare are highly effective against Sitophilus oryzae, Callosobruchus chinensis, and Lasioderma serricorne adults and are known to be carcinogenic.29 Similarly, safrole and β-asarone have been included in the list of carcinogenic compounds. Supplemented starch pellets were made using the same process but with the addition of 50 mg of either tryptophan, tyrosine, phenylalanine, DOPA, or a combination of the amino acids to the starch mixture prior to drying. Effects of dust formulations of three entomophatogenic fungal isolates against Sitophilus oryzae (Coleoptera: Curculionidae) in rice grain, Entomopathogenic fungus as a biological control agent against Rhyzopertha dominica F. (Coleoptera: Bostrychidae) on stored wheat, Potentials of entomopathogenic fungi in controlling the menace of maize weevil Sitophilus zeamais Motsch (Coleoptera: Curculinidae) on stored maize grain, The Use of Entomopathogenic Fungus, Beauveria bassiana (Bals.) Table 1. Since the middle ages, EOs have been widely used for bactericidal, virucidal, fungicidal, antiparasitical, insecticidal, medicinal, and cosmetic applications, and today, they are particularly vital to the pharmaceutical, health, cosmetic, agricultural, and food industries. This was repeated every 30 days. anisopliae ARSEF 2974, which caused the highest mortality, was assayed in combination with fenitrothion at a concentration lower (3 ppm) than the normal 6 ppm. 11:1263-1274. Laboratory evaluation of chemical-biological control of the rice weevil (Sitophilus oryzae L.) in stored grains. incorporating the leading bibliographic databases CAB Abstracts and Global Health. The long-lived adults seek out harborages from which they wander, often in a daily cycle, to scavenge for food and locate additional oviposition sites from which fresh infestations may start. There has been speculation that 4-methyl-3-heptanol is fatty acid derived (Bradshaw, 1985), but one can see in Fig. The virulence of ten different fungal isolates of: Beauveria bassiana, Metarhizium anisopliae, Verticillium lecanii and Paecilomyces farinosus to the rice weevil Sitophilus oryzae was tested. Copyright © 2000 Elsevier Science Ltd. All rights reserved. A closely related structure such as 3,5-dimethyl-1,2-dihydroxyocta-6-one (LXXVIII), as suggested by Phillips et al. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL:, URL:, URL:, URL:, URL:, URL:, Encyclopedia of Food Sciences and Nutrition (Second Edition), Biosynthesis of Pheromones and Endocrine Regulation of Pheromone Production in Coleoptera, DÉSIRÉE VANDERWEL, A. CAMERON OEHLSCHLAGER, in, Development & Modification of Bioactivity, Azucena Gonzalez-Coloma, ... Braulio M. Fraga, in, Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, International Journal of Biological Macromolecules, Fumigant toxicity repulsive, insecticidal, Grains, flour, meals, oilseeds, dried fruit, and other dried vegetable materials, Cocoa, soybeans, tobacco, various cereals, spices, textiles, and many other products, 22–38 °C, min. The male-produced aggregation pheromones sitophilure (LXXII) (emitted by the rice and maize weevils, Sitophilus oryzae and S. zeamais, respectively) (Phillips et al., 1985) and 4-methyl-3,5-heptanedione (LXXIII) (produced by the pea and bean weevil, Sitona lineatus) (Blight et al., 1984) exhibit the typical 1,3-oxygenation pattern expected for polyketides (see Fig.

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