[3] This species attacks both standing crops and stored cereal products, including wheat, rice, sorghum,[4][5][6] oats, barley, rye, buckwheat,[6] peas, and cottonseed. [2] Breeding conditions require temperatures between 15 and 34 °C and[vague]40% relative humidity. [6] In large stores of grain, an increase in temperature may be detected. [1], "Greater Rice Weevil (Sitophilus zeamais)", http://agspsrv34.agric.wa.gov.au/ento/pestweb/Query1_1.idc?ID=-1055010548, Control of Sitophilus zeamais Mots., 1958 and Sitophilus oryzae (L., 1763) weevils (Coleoptera, Curculionidae) in stored rice grain (Oryza sativa l.) with insecticide pirimiphos methyl (Actellic 500 CE). The maize weevil (Sitophilus zeamais Motschulsky) is one of the most serious stored product pests that cause huge losses in the tropics (Mwololo et al., 2012). Resistance mutations were examined by sequencing the … Sitophilus zeamais adults were closed to the maize grains at all the periods of evaluation in the choice experiment. The type of food consumed by the larvae influences the size of the adult (3.9-4.9 mm on corn, 3.0-4.6 mm on wheat, 2.9-4.3 mm on rice, 2.7-3.2 on rough rice, and 2.3-3.9 mm on shelled rice). [6] Sitophilus zeamais appears similar to the rice weevil (Sitophilus oryzae), but has more clearly marked spots on the wing covers, and is usually somewhat larger. POR: DAVID EDUARDO GARCÍA PÉREZ TESIS Presentada como Requisito Parcial Para Obtener el Título de: INGENIERO AGRÓNOMO PARASITÓLOGO Buenavista, Saltillo, Coahuila, México. Cateto and Colorado showed high attractiveness to the adults of S. zeamais. Su color es ligeramente más oscuro que el gorgojo del arroz aunque ésta no es una característica que permita diferenciarlos, para ello es necesario disectar su genitalia para corrob… [9][10][11][7], S. zeamais occurs throughout warm, humid regions around the world, especially in locations where maize is Syria, Turkey, United States, USSR, Sub Saharan Africa and Yugoslavia. One study recorded, 5 weeks after infestation, the emergence of 100 adults per kg per day. When the egg hatches into a white, legless grub, it will remain inside and begin feeding on the grain. .°Í:AŒ×}t6zë/:êÚkT‹PæÚf’t3À1‡H]œ ûzϘQ«¦Á©Uㄇ;8g{¶ˆ;EYwtf*fÑ [6], The maize weevil and the rice weevil look very much alike but external features can be used to differentiate the vast majority of adults. It has, however, been present for several years in Montreal, where grain from the U.S. is stored.[12]. The insecticide effect and the effectiveness through time was evaluated of ten vegetal oils (sesame, almond, basil, peanut, canola, jojoba, laurel, lila, maize and soya), to control the Sitophilus zeamais in maize seed VAN-210 stored by 126 days. Adults can live for 5 to 8 months. 2011411056) (2018) Uji preferensi hama gudang Sitophilus zeamais Motsch (Coleoptera: Curculionidae) pada berbagai jenis … It can be found in numerous tropical areas around the world, and in the United States, and is a major pest of maize. De apariencia morfológica y de color muy similar al gorgojo del arroz, Sitophilus oryzae, sus élitros presentan igualmente cuatro manchas de color rojizo amarillento. 1971. Meikle, W.G., Holst, N., Markham, R.H. 1999. Abril de 2009 Key words: Sitophilus zeamais, efficacy, Eucalyptus grandis, Tagetes minuta, maize, organoleptic. Journal of Stored Products Research, 38(3): 259–266. [7], A close relative of the rice weevil,[6] the maize weevil has a length of 2.3 mm to 4.9 mm. Key words: Zea mays L., Sitophilus zeamais M., Vegetal oils. Durante mucho tiempo se consideró que era la misma especie que el gorgojo del arroz, aunque de tamaño ligeramente mayor. (2003). [7], Early detection of infestation is difficult. Journal of Stored Products Research, 9: 225–234. DNA identification of two laboratory colonies of the weevils, Sitophilus oryzae (L.) and S. zeamais Motschulsky (Coleoptera: Curculionidae) in Taiwan. [7] This species has also been recorded in Canada, in the provinces of Ontario and Quebec,[6] and has been intercepted at ports, but is not well established there. The maize weevil (Sitophilus zeamais), known in the United States as the greater rice weevil,[1][2] is a species of beetle in the family Curculionidae. The complete development time for the life cycle of this species averages 36 days. grown,[2] including: Polynesia, Argentina, Brazil, Burma, Cambodia, Greece, Japan, Morocco, Spain, Population simulation model of Sitophilus zeamais (Coleoptera: Curculionidae) in grains stores in West Africa. weevils, Sitophilus zeamais, a major pest of stored maize in Brazil, has led to the occurrence of resistance. Grain Insect Fact Sheet, E-237-W: Rice, Granary, and Maize Weevils Sitophilu soryzae (L.), S. granarius (L.), and S. zeamais (Motsch). The maize weevil (Sitophilus zeamais), known in the United States as the greater rice weevil, is a species of beetle in the family Curculionidae.It can be found in numerous tropical areas around the world, and in the United States, and is a major pest of maize. 1982. Anonymous. Annales de la Societe, Meagher, R.L., Reed, C., Mills, R.B. [7], The maize weevil commonly attacks standing crops, in particular, maize before harvest, and is also commonly associated with rice. 2009b. The S. zeamais homologue of the Drosophila para VGSC was identified using degenerate primers and sequenced. She then deposits a small oval white egg, and covers the hole as the ovipositor is removed, with a waxy secretion that creates a plug. It is also widely distributed throughout agricultural areas of northern Australia. (Coleoptera, Dryophthoridae). ), This page was last edited on 16 September 2020, at 11:07. The work described here seeks to establish whether changes in VGSC of S.zeamais can explain pyrethroid resistance. ß%’¥ü8‘“–ÄÕ«‡_aÜüÊ Proctor, D.L. Tolerance A gain st M aize Weevil, Sitophilus zeamais (M otsch.) The impact of grain quantity on the biology of Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae): oviposition, distribution of eggs, adult emergence, body weight and sex ratio. ”]œˆ™Féœ [„††s4!†0àR*µY_Ëj„Œü$£ ^µuς¶'u¦ºŠ°ðµ°Zìûu¾s”v›Zd¥:Ғ–×Ý [7] The female chews through the surface of the grain, creating a hole. = `ԚÙAÒ(„ó —gw‰ßçlÀHòÙFíûÚT~À:Ô®Os0cöU°FAm­ŸhFON]ýf@ñ÷ÎDÈGñ¶¿e3KTá. from Sitophilus oryzae (L.) (Coleoptera: Cuculionidae). "First confirmation of the distribution of rice weevil, USDA study on temperature management of the maize weevil, USDA study on contest behaviour of maize weevil larvae when competing within seeds, African Journal of Biotechnology: Laboratory evaluation of four medicinal plants as protectants against the maize weevil, https://en.wikipedia.org/w/index.php?title=Maize_weevil&oldid=978686372, Short description is different from Wikidata, All Wikipedia articles needing clarification, Wikipedia articles needing clarification from January 2014, Creative Commons Attribution-ShareAlike License, Punctures on pronotal dorsum typically nearly circular, rarely elliptical, Longitudinally elliptical punctures on pronotal dorsum, Pronotal punctures are nearly equally spaced apart, and pronotum typically has no median puncture-free area (rarely has a narrow puncture-free median zone), Pronotal punctures are separated by a flat, median, longitudinal puncture-free zone, More than 20 pronotal punctures along the approximate midline, running from neck to scutellum (not reliable for individuals not reared on corn, which are typically smaller), Less than 20 pronotal punctures along the approximate midline, running from neck to scutellum, Scutellar elevations typically farther apart compared to their longitudinal length, Scutellar elevations typically closer together compare to their longitudinal length, Scutellar elevations typically extend longitudinally approximately halfway down the scutellum, Scutellar elevations typically extend longitudinally approximately more than halfway down the scutellum, Proepimera meets behind the fore coxae and has a barely discernible notch along the posterior edge at the site of the meeting point, Proepimera meets behind the fore coxae and along the posterior edge, has a distinct notch along the posterior edge at the site of the meeting point, Male aedeagus has two dorsal, longitudinal grooves, Male aedeagus is smooth and shiny on the dorsal surface, Epipharyngeal rods of larvae tapering apically, Epipharyngeal rods of larvae have virtually the same width throughout, Lateral lobes of Y-shaped sclerite of female genitalia tapering and pointed at apex, Lateral lobes of Y-shaped sclerite of female genitalia not tapering and rounded at apex, More than 5 sensory organs at the tip of the labial palps of larvae, Less than 5 sensory organs at the tip of the labial palps of larvae. Journal of Stored Products Research, 39(2): 225–235. This provides the only visible evidence that the kernel is infested. ßÑê­ÇfԃRàÂS~TZ(sç¨\…³¸\êÐÏ.nEüššºóô7@ðò8zìAƒ“ð÷x£qj…Œ­!ÑÚ)¦CH\Ïǘcé~M„âȏÌÌgkß»>܀ýS’u‡øþî¢vh¾›w9ÉJâð¶ÓŽšófÃÉZIÃ9]R"@PÃâJLØ»2E•¶± Although the maize weevil cannot readily breed in finely processed grains, it can easily breed in products such as macaroni and noodles, and milled cereals that have been exposed to excessive moisture. Development of Sitophilus zeamais and Tribolium castaneum in whole, cracked, and ground pearl millet. Sitophilus zeamais is a major insect pest of stored maize and grain products in the tropics. It has a long, thin snout, and elbowed antennae. (2001) reported maize loss of up to 20 - 90 % due to maize Danho, M., Gaspar, C., Haubruge, E. 2002. Se reconoce como una especie diferente. in storage, and Busseola fusca (Fuller), Sesamia calamistis Hmps. in Yugoslavia. As S. zeamais larvae feed on the interior of individual grains, often leaving only the hulls, a flour-like grain dust, mixed with frass is evident. & N;Á¶iYˆ)DåD5«– Diversity Analysis and Breeding for Maize Weevil (Sitophilus zeamais Motschulsky) and Larger Grain Borer (Prostephanus truncatus Horn) Resistance in Productive Maize Germplasm in [8] This small, brown weevil has four reddish-brown spots on the wing covers (elytra). and Chilo partellus (Swinh.) However, the only reliable features to distinguish adults of both species are on the genitalia (see table below). An additional aedeagal character for distinguishing Sitophilus zeamais Motsch. Infested grains contain holes through which adults have emerged. A possible indication of infestation is grain, when placed in water, floating to the surface. ž¨Ù¦œðcŒOÔf‘;Ys¾y¦ÁI8§¤F µÕMvL Æ2!¾ 2003. Environmental Entomology, 28(5): 836–844. 1973. This review of maize research and production in Cameroon includes notes on pests, in which it is reported that the most common pests are usually weevils (Sitophilus spp.) The larvae will pupate while inside, then chew a circular exit hole,[1] and emerge as an adult beetle. [2] It is able to fly. Se llevó a cabo en el laboratorio el método del control biológico en arroz cáscara almacenado para evaluar su efectividad. A similar pattern was observed by Guzzo et al. Males are then attracted to this pheromone. ñ dÀÎÊx@‘ÿúQ¼F*‹ó]ÙàG9—!jÆÅ|…z”6•ôá¨Ò $UŸAÒ@: ì+ÑJ¿RF÷Uz_'¸­P9ޓsÀPm#ÞÖçåG$±žÜk";¼ØšY£ªh¯T†¹ãÍ8 u\oóW– Use of plant compounds in grain protection has shown great potential as an alternative to synthetic insecticides in Sub-Saharan Africa. It has even been known to attack fruit while in storage, such as apples. [7] Only one egg is laid inside each grain. It can breed in crops with a moisture content of a much wider range than S. oryzae, and has been found in fruit, such as apples during storage. Nardon, C, Nardon, P. 2002. [7] Ragged holes in individual grains, similar to damage caused by the rice weevil and granary weevil, may indicate infestation. Sitophilus zeamais (Coleoptera: Curculionidae) es una importante plaga que afecta al grano de arroz cuando está almacenado en silos y almacenes antes de ser procesado. Contribution to the morphology and ecology of Sitophilus zeamais Motsch. Mason, L.J. It infests raw or processed cereals such as wheat, oats, barley, sorghum, rye and buckwheat. Peng, W.K., Lin, H.C., Wang, C.H. The maize weevil affects the crop before harvest and multiplies further after storage (Demissie et al., 2008a). Journal of the. Salomo Erwinson Sinaga, (NIM. When the adults emerge, the females move to a high surface and release sex pheromones. TOXICOLÓGICOS PARA EL CONTROL DE Sitophilus zeamais MOTSCHULSKY. “actividad en drosophila melanogaster y sitophilus zeamais (insecta) de aceites esenciales de plantas usadas para combatir insectos en hidalgo” tesis que para obtener el tÍtulo de licenciado en biologÍa presenta cÁzares hernÁndez jessica director de tesis: m. en c. miguel Ángel villavicencio nieto pachuca de soto, hidalgo 2006 Both species can hybridize. (2002) in a choice experiment with hybrid maize varieties. The most obvious sign of infestation is the emergence of adults. The maize weevil also infests other types of stored, processed cereal products such as pasta, cassava,[5] and various coarse, milled grains. A single female may lay 300 to 400 eggs during her lifetime. Derera et al. m a ize we evil foll owe d by ZM401 , SC709 , ZM309 a nd ZM5 21 whil s t ZM4 21 had the l east num ber of da m aged during the 1st 8 weeks when maize is planted in the field. 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sitophilus zeamais tesis

Maize weevil Sitophilus zeamais (Motsch. New characters to distinguish larvae and adults of the two sibling species: Sitophilus oryzae(L.) and S. zeamais Mots. [6] The plug quickly hardens, and leaves a small raised area on the seed surface. Maceljski, M., Korunić, Z. The genitalic structure of hybrids is unknown. 2¾À[}÷¤VW°Êæ3˱±@ØËùtÐÜ©¯B…TÕׯ~…j í»ºþòÊ6ƒSÖ=t"—ÌI —P—U> [3] This species attacks both standing crops and stored cereal products, including wheat, rice, sorghum,[4][5][6] oats, barley, rye, buckwheat,[6] peas, and cottonseed. [2] Breeding conditions require temperatures between 15 and 34 °C and[vague]40% relative humidity. [6] In large stores of grain, an increase in temperature may be detected. [1], "Greater Rice Weevil (Sitophilus zeamais)", http://agspsrv34.agric.wa.gov.au/ento/pestweb/Query1_1.idc?ID=-1055010548, Control of Sitophilus zeamais Mots., 1958 and Sitophilus oryzae (L., 1763) weevils (Coleoptera, Curculionidae) in stored rice grain (Oryza sativa l.) with insecticide pirimiphos methyl (Actellic 500 CE). The maize weevil (Sitophilus zeamais Motschulsky) is one of the most serious stored product pests that cause huge losses in the tropics (Mwololo et al., 2012). Resistance mutations were examined by sequencing the … Sitophilus zeamais adults were closed to the maize grains at all the periods of evaluation in the choice experiment. The type of food consumed by the larvae influences the size of the adult (3.9-4.9 mm on corn, 3.0-4.6 mm on wheat, 2.9-4.3 mm on rice, 2.7-3.2 on rough rice, and 2.3-3.9 mm on shelled rice). [6] Sitophilus zeamais appears similar to the rice weevil (Sitophilus oryzae), but has more clearly marked spots on the wing covers, and is usually somewhat larger. POR: DAVID EDUARDO GARCÍA PÉREZ TESIS Presentada como Requisito Parcial Para Obtener el Título de: INGENIERO AGRÓNOMO PARASITÓLOGO Buenavista, Saltillo, Coahuila, México. Cateto and Colorado showed high attractiveness to the adults of S. zeamais. Su color es ligeramente más oscuro que el gorgojo del arroz aunque ésta no es una característica que permita diferenciarlos, para ello es necesario disectar su genitalia para corrob… [9][10][11][7], S. zeamais occurs throughout warm, humid regions around the world, especially in locations where maize is Syria, Turkey, United States, USSR, Sub Saharan Africa and Yugoslavia. One study recorded, 5 weeks after infestation, the emergence of 100 adults per kg per day. When the egg hatches into a white, legless grub, it will remain inside and begin feeding on the grain. .°Í:AŒ×}t6zë/:êÚkT‹PæÚf’t3À1‡H]œ ûzϘQ«¦Á©Uㄇ;8g{¶ˆ;EYwtf*fÑ [6], The maize weevil and the rice weevil look very much alike but external features can be used to differentiate the vast majority of adults. It has, however, been present for several years in Montreal, where grain from the U.S. is stored.[12]. The insecticide effect and the effectiveness through time was evaluated of ten vegetal oils (sesame, almond, basil, peanut, canola, jojoba, laurel, lila, maize and soya), to control the Sitophilus zeamais in maize seed VAN-210 stored by 126 days. Adults can live for 5 to 8 months. 2011411056) (2018) Uji preferensi hama gudang Sitophilus zeamais Motsch (Coleoptera: Curculionidae) pada berbagai jenis … It can be found in numerous tropical areas around the world, and in the United States, and is a major pest of maize. De apariencia morfológica y de color muy similar al gorgojo del arroz, Sitophilus oryzae, sus élitros presentan igualmente cuatro manchas de color rojizo amarillento. 1971. Meikle, W.G., Holst, N., Markham, R.H. 1999. Abril de 2009 Key words: Sitophilus zeamais, efficacy, Eucalyptus grandis, Tagetes minuta, maize, organoleptic. Journal of Stored Products Research, 38(3): 259–266. [7], A close relative of the rice weevil,[6] the maize weevil has a length of 2.3 mm to 4.9 mm. Key words: Zea mays L., Sitophilus zeamais M., Vegetal oils. Durante mucho tiempo se consideró que era la misma especie que el gorgojo del arroz, aunque de tamaño ligeramente mayor. (2003). [7], Early detection of infestation is difficult. Journal of Stored Products Research, 9: 225–234. DNA identification of two laboratory colonies of the weevils, Sitophilus oryzae (L.) and S. zeamais Motschulsky (Coleoptera: Curculionidae) in Taiwan. [7] This species has also been recorded in Canada, in the provinces of Ontario and Quebec,[6] and has been intercepted at ports, but is not well established there. The maize weevil (Sitophilus zeamais), known in the United States as the greater rice weevil,[1][2] is a species of beetle in the family Curculionidae. The complete development time for the life cycle of this species averages 36 days. grown,[2] including: Polynesia, Argentina, Brazil, Burma, Cambodia, Greece, Japan, Morocco, Spain, Population simulation model of Sitophilus zeamais (Coleoptera: Curculionidae) in grains stores in West Africa. weevils, Sitophilus zeamais, a major pest of stored maize in Brazil, has led to the occurrence of resistance. Grain Insect Fact Sheet, E-237-W: Rice, Granary, and Maize Weevils Sitophilu soryzae (L.), S. granarius (L.), and S. zeamais (Motsch). The maize weevil (Sitophilus zeamais), known in the United States as the greater rice weevil, is a species of beetle in the family Curculionidae.It can be found in numerous tropical areas around the world, and in the United States, and is a major pest of maize. 1982. Anonymous. Annales de la Societe, Meagher, R.L., Reed, C., Mills, R.B. [7], The maize weevil commonly attacks standing crops, in particular, maize before harvest, and is also commonly associated with rice. 2009b. The S. zeamais homologue of the Drosophila para VGSC was identified using degenerate primers and sequenced. She then deposits a small oval white egg, and covers the hole as the ovipositor is removed, with a waxy secretion that creates a plug. It is also widely distributed throughout agricultural areas of northern Australia. (Coleoptera, Dryophthoridae). ), This page was last edited on 16 September 2020, at 11:07. The work described here seeks to establish whether changes in VGSC of S.zeamais can explain pyrethroid resistance. ß%’¥ü8‘“–ÄÕ«‡_aÜüÊ Proctor, D.L. Tolerance A gain st M aize Weevil, Sitophilus zeamais (M otsch.) The impact of grain quantity on the biology of Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae): oviposition, distribution of eggs, adult emergence, body weight and sex ratio. ”]œˆ™Féœ [„††s4!†0àR*µY_Ëj„Œü$£ ^µuς¶'u¦ºŠ°ðµ°Zìûu¾s”v›Zd¥:Ғ–×Ý [7] The female chews through the surface of the grain, creating a hole. = `ԚÙAÒ(„ó —gw‰ßçlÀHòÙFíûÚT~À:Ô®Os0cöU°FAm­ŸhFON]ýf@ñ÷ÎDÈGñ¶¿e3KTá. from Sitophilus oryzae (L.) (Coleoptera: Cuculionidae). "First confirmation of the distribution of rice weevil, USDA study on temperature management of the maize weevil, USDA study on contest behaviour of maize weevil larvae when competing within seeds, African Journal of Biotechnology: Laboratory evaluation of four medicinal plants as protectants against the maize weevil, https://en.wikipedia.org/w/index.php?title=Maize_weevil&oldid=978686372, Short description is different from Wikidata, All Wikipedia articles needing clarification, Wikipedia articles needing clarification from January 2014, Creative Commons Attribution-ShareAlike License, Punctures on pronotal dorsum typically nearly circular, rarely elliptical, Longitudinally elliptical punctures on pronotal dorsum, Pronotal punctures are nearly equally spaced apart, and pronotum typically has no median puncture-free area (rarely has a narrow puncture-free median zone), Pronotal punctures are separated by a flat, median, longitudinal puncture-free zone, More than 20 pronotal punctures along the approximate midline, running from neck to scutellum (not reliable for individuals not reared on corn, which are typically smaller), Less than 20 pronotal punctures along the approximate midline, running from neck to scutellum, Scutellar elevations typically farther apart compared to their longitudinal length, Scutellar elevations typically closer together compare to their longitudinal length, Scutellar elevations typically extend longitudinally approximately halfway down the scutellum, Scutellar elevations typically extend longitudinally approximately more than halfway down the scutellum, Proepimera meets behind the fore coxae and has a barely discernible notch along the posterior edge at the site of the meeting point, Proepimera meets behind the fore coxae and along the posterior edge, has a distinct notch along the posterior edge at the site of the meeting point, Male aedeagus has two dorsal, longitudinal grooves, Male aedeagus is smooth and shiny on the dorsal surface, Epipharyngeal rods of larvae tapering apically, Epipharyngeal rods of larvae have virtually the same width throughout, Lateral lobes of Y-shaped sclerite of female genitalia tapering and pointed at apex, Lateral lobes of Y-shaped sclerite of female genitalia not tapering and rounded at apex, More than 5 sensory organs at the tip of the labial palps of larvae, Less than 5 sensory organs at the tip of the labial palps of larvae. Journal of Stored Products Research, 39(2): 225–235. This provides the only visible evidence that the kernel is infested. ßÑê­ÇfԃRàÂS~TZ(sç¨\…³¸\êÐÏ.nEüššºóô7@ðò8zìAƒ“ð÷x£qj…Œ­!ÑÚ)¦CH\Ïǘcé~M„âȏÌÌgkß»>܀ýS’u‡øþî¢vh¾›w9ÉJâð¶ÓŽšófÃÉZIÃ9]R"@PÃâJLØ»2E•¶± Although the maize weevil cannot readily breed in finely processed grains, it can easily breed in products such as macaroni and noodles, and milled cereals that have been exposed to excessive moisture. Development of Sitophilus zeamais and Tribolium castaneum in whole, cracked, and ground pearl millet. Sitophilus zeamais is a major insect pest of stored maize and grain products in the tropics. It has a long, thin snout, and elbowed antennae. (2001) reported maize loss of up to 20 - 90 % due to maize Danho, M., Gaspar, C., Haubruge, E. 2002. Se reconoce como una especie diferente. in storage, and Busseola fusca (Fuller), Sesamia calamistis Hmps. in Yugoslavia. As S. zeamais larvae feed on the interior of individual grains, often leaving only the hulls, a flour-like grain dust, mixed with frass is evident. & N;Á¶iYˆ)DåD5«– Diversity Analysis and Breeding for Maize Weevil (Sitophilus zeamais Motschulsky) and Larger Grain Borer (Prostephanus truncatus Horn) Resistance in Productive Maize Germplasm in [8] This small, brown weevil has four reddish-brown spots on the wing covers (elytra). and Chilo partellus (Swinh.) However, the only reliable features to distinguish adults of both species are on the genitalia (see table below). An additional aedeagal character for distinguishing Sitophilus zeamais Motsch. Infested grains contain holes through which adults have emerged. A possible indication of infestation is grain, when placed in water, floating to the surface. ž¨Ù¦œðcŒOÔf‘;Ys¾y¦ÁI8§¤F µÕMvL Æ2!¾ 2003. Environmental Entomology, 28(5): 836–844. 1973. This review of maize research and production in Cameroon includes notes on pests, in which it is reported that the most common pests are usually weevils (Sitophilus spp.) The larvae will pupate while inside, then chew a circular exit hole,[1] and emerge as an adult beetle. [2] It is able to fly. Se llevó a cabo en el laboratorio el método del control biológico en arroz cáscara almacenado para evaluar su efectividad. A similar pattern was observed by Guzzo et al. Males are then attracted to this pheromone. ñ dÀÎÊx@‘ÿúQ¼F*‹ó]ÙàG9—!jÆÅ|…z”6•ôá¨Ò $UŸAÒ@: ì+ÑJ¿RF÷Uz_'¸­P9ޓsÀPm#ÞÖçåG$±žÜk";¼ØšY£ªh¯T†¹ãÍ8 u\oóW– Use of plant compounds in grain protection has shown great potential as an alternative to synthetic insecticides in Sub-Saharan Africa. It has even been known to attack fruit while in storage, such as apples. [7] Only one egg is laid inside each grain. It can breed in crops with a moisture content of a much wider range than S. oryzae, and has been found in fruit, such as apples during storage. Nardon, C, Nardon, P. 2002. [7] Ragged holes in individual grains, similar to damage caused by the rice weevil and granary weevil, may indicate infestation. Sitophilus zeamais (Coleoptera: Curculionidae) es una importante plaga que afecta al grano de arroz cuando está almacenado en silos y almacenes antes de ser procesado. Contribution to the morphology and ecology of Sitophilus zeamais Motsch. Mason, L.J. It infests raw or processed cereals such as wheat, oats, barley, sorghum, rye and buckwheat. Peng, W.K., Lin, H.C., Wang, C.H. The maize weevil affects the crop before harvest and multiplies further after storage (Demissie et al., 2008a). Journal of the. Salomo Erwinson Sinaga, (NIM. When the adults emerge, the females move to a high surface and release sex pheromones. TOXICOLÓGICOS PARA EL CONTROL DE Sitophilus zeamais MOTSCHULSKY. “actividad en drosophila melanogaster y sitophilus zeamais (insecta) de aceites esenciales de plantas usadas para combatir insectos en hidalgo” tesis que para obtener el tÍtulo de licenciado en biologÍa presenta cÁzares hernÁndez jessica director de tesis: m. en c. miguel Ángel villavicencio nieto pachuca de soto, hidalgo 2006 Both species can hybridize. (2002) in a choice experiment with hybrid maize varieties. The most obvious sign of infestation is the emergence of adults. The maize weevil also infests other types of stored, processed cereal products such as pasta, cassava,[5] and various coarse, milled grains. A single female may lay 300 to 400 eggs during her lifetime. Derera et al. m a ize we evil foll owe d by ZM401 , SC709 , ZM309 a nd ZM5 21 whil s t ZM4 21 had the l east num ber of da m aged during the 1st 8 weeks when maize is planted in the field.

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