Another elm bark beetle pheromone, the bicyclic ketal multistriatin, might also be derived from acetogenins (Phillips et al., 1985). Agricultural Research Review, 51(1):29-31, Karan Singh, Agrawal NS, Girish GK, 1974.

74:539–542. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL: https://www.sciencedirect.com/science/article/pii/B9780128013946000154, URL: https://www.sciencedirect.com/science/article/pii/B012227055X006398, URL: https://www.sciencedirect.com/science/article/pii/B9780080453828001039, URL: https://www.sciencedirect.com/science/article/pii/B9780125644853500117, URL: https://www.sciencedirect.com/science/article/pii/B9780080453828000745, URL: https://www.sciencedirect.com/science/article/pii/B9780123786128003541, 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. All the pest species are of warm climate origin and though many are named after countries or regions, this does not necessarily reflect their true origin or range. Relative resistance of some sorghum varieties to the rice weevil, Sitophilus oryzae (Linnaeus) (Coleoptera: Curculionidae).

Synthesis of (4S,5R)‐5‐hydroxy‐4‐methyl‐3‐heptanone (Sitophilure), the aggregation pheromone of Sitophilus oryzae and S. zeamais. Laboratory studies have shown that this is a result of their different rates of increase on these two forms of rice (Hussain et al., 1985).

Singh et al. Journal of Chemical Ecology, 24(1):81-90; 32 ref, Annis PC, Morton R, 1997. Repellency of powdered plant material of the Indian neem tree, the Labrador tea, and the sweet-flag, to some stored product pests. An improved procedure for the preparation of the β-hydroxy-α-alkyl fatty acid fragment of mycolic acids.

Conventional grain storage practices and losses in rural areas in Uttar Pradesh. Hamel D, 2007. Environmental and physiological control of insect sex pheromone behaviour, pp. Both S. oryzae and S. zeamais are able to develop on a wide range of cereals and also on processed cereal products such as pasta. Threshed grain was more susceptible than unthreshed grain; more progeny were produced on threshed than on unthreshed sorghum (Wongo and Pedersen, 1990).Wheat

METHODS AND MATERIALS Tests Insects. The correlation between insect fragments and total infestation was positive up to a certain infestation level (varying with grain type and insect species) but became negative when infestation exceeded that level. The rice moth is a serious pest of mills in hot damp climates but can become established in heated premises anywhere in the world.

All stages of these insects feed outside the seed. In Ethiopia, the major species of stored product pests include S. oryzae, S. granarius and S. zeamais on whole grains.

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. (1996) reported that alcohol extracts of Azadirachta indica were superior to aqueous extracts providing 100% protection to rice grains for 6 weeks at a concentration of 1%. 63:119-127, Ovcharenko MM, Solodilov AI, Kravchuk MA, 2004. Quantitative losses in the various kernel fractions of some maize varieties in storage due to Sitophilus oryzae Linn.

Creative Commons Attribution 4.0 International License. Agricultura Tropica et Subtropica, 19:131-141, Suss L, Locatelli DP, Cavalieri M, 1997.

Reductive biotransformation of carbonyl compounds—application of fungus, Geotrichum sp. 43:1-19, Yoon TaeJoong, Ryoo MunIl, Cho HyeWon, 1997. 30 (1), 25-28. Adult moths do not feed and damage is caused by the larval stage, which features a heavily sclerotized head capsule with biting and chewing mouthparts whereas the rest of the elongated body is flexible, unpigmented, and unsclerotized. Loss in weight in stored corn and millet due to Sitophilus oryzae and Rhizopertha dominica infestations.

Journal of … 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. Journal of Stored Products Research, 4:317-329, Girish GK, Tripathi BP, Tomer RPS, Krishnamurthy K, 1974. 40 (3), 241-249. http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T8Y-48DXN7D-1&_user=3796239&_handle=V-WA-A-W-AU-MsSAYWW-UUW-U-AAWBZZDAYW-AAWAWVDEYW-WAEUWEUYE-AU-U&_fmt=summary&_coverDate=12%2F31%2F2004&_rdoc=1&_orig=browse&_srch=%23toc%235099%232004%23999599996%23470841!&_cdi=5099&view=c&_acct=C000000593&_version=1&_urlVersion=0&_userid=3796239&md5=35299199745821420ef2bee0db5a3c0c DOI:10.1016/S0022-474X(03)00012-2. Resistance of a laboratory strain ofS. Effect of insect infestation on stored IRRI-8 paddy. Of the compounds isolated from Lansium domesticum (Meliaceae), iso-onoceratriene (205), 3-keto-21-hydroxyonoceradiene (206), onoceradienedione (207), lansiolic acid (208), and lansiolic acid A (209) exhibited significant antifeeding activities at 0.5% (w/w of wheat flour) using a flour disk bioassay.93 However, crude extracts were more active than the pure compounds, which could be the results of either synergistic effects or the presence of other unidentified compounds. Res. Journal of Stored Products Research, 35(3):265-276; 35 ref, Trematerra P, Gentile P, Djikoloum T, 2003. (Čuvanje kukuruza u skladištu i zaštita od štetnika.). Monro, H.A.U., Upitis, E., andBond, E.J. J Chem Ecol 8, 679–687 (1982). Flight traps will collect S. zeamais, but seldom S. oryzae (which rarely flies). Comparative olfactory perception of the aggregation pheromones of Sitophilus oryzae (L.), S. zeamais (Motsch.) The factor distinguishing acetogenin biosynthesis from fatty acid biosynthesis is that reduction of the β-keto ester intermediates does not necessarily occur in acetogenin biosynthesis. Storage and household pests. This is a preview of subscription content, log in to check access. Nauchno-tekhnicheskii Byulleten' Vsesoyuznogo Selektsionno-geneticheskogo Instituta, No. Econ. Agricultura Tecnica en Mexico, 3:442-446, Rubbi SF, Begum SS, 1986. There are four larval instars: in English wheat at 25°C and 70% RH, pupation occurs after about 25 days, although development periods are extremely protracted at low temperatures (e.g. The pheromone lure, whether sex or aggregate, is placed in a trap that catches the SPPs.

Bangladesh Journal of Zoology, 18(1):67-73, Birch LC, 1944. (1997) constructed a matrix model of S. oryzae populations based on degree-days. Bulletin de la Societe Entomologique d'Egypte, 56:413-417, Kumar PP, Suganthy M, Nagapasupathi N, 2005.

In the case of rice, detailed surveys in Indonesia have shown that S. zeamais is dominant on milled rice, whereas S. oryzae is more common on paddy (rough rice). Monitoring: Traps baited with the male pheromone together with cracked wheat were very attractive to the beetles.

Journal of Ethnopharmacology, 67(2):219-223; 9 ref, Buchi R, 1993. Transactions of the ASAE. Journal of Stored Products Research, 40(3):241-249. http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T8Y-48DXN7D-1&_user=3796239&_handle=V-WA-A-W-AU-MsSAYWW-UUW-U-AAWBZZDAYW-AAWAWVDEYW-WAEUWEUYE-AU-U&_fmt=summary&_coverDate=12%2F31%2F2004&_rdoc=1&_orig=browse&_srch=%23toc%235099%232004%23999599996%23470841!&_cdi=5099&view=c&_acct=C000000593&_version=1&_urlVersion=0&_userid=3796239&md5=35299199745821420ef2bee0db5a3c0c, Berger HK, Hetfleis M, 1985. Toxicity of insecticides against Sitophilus zeamais and S. oryzae. Novenyvedelem, 25(4):162-166, Thakur AK, 1999. Both S. zeamais and S. oryzae are commonly parasitized by pteromalids (and occasionally other Hymenoptera). Kumawat K C, 2007. (Coleopt.) Proceedings of the 7th International Working Conference on Stored-product Protection, 2:1513-1518, Weaver DK, Dunkel FV, Ntezurubanza L, Jackson LL, Stock DT, 1991. Influence of intact and damaged cereal kernels on the behaviour of rice weevil, Sitophilus oryzae (L.) (Coleoptera: Curculionidae).



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