Various neem products were compared with copra oil, palm oil and 0.25% diazinon dust for protection of stored maize against the grain weevil, Sitophilus zeamais Motsch. Description. Abstract. The Maize Weevil will breed on maize in the field. An experiment was carried out at a research station to determine the effectiveness of different doses of Eucalyptus tereticornis leaf powder in controlling Sitophilus zeamais in stored maize grain. Since 2002 A-Tex Pest Management has been fully licensed and insured to provide commercial businesses and residential homes of the Greater Austin, Texas area with professional services and expertise in pest control at an affordable price. It varies from a dull red-brown to black, and is usually marked on the back with four light red to yellow spots. Damage by S. zeamais causes food … Mechanisms of resistance in maize grain to the maize weevil and the larger grain borer. Hermetic on-farm storage for maize weevil control in East Africa Abstract Maize (Zea mays L.) consumption makes up over half of daily caloric intake of persons in East Africa and adequate supply is necessary for food security for subsistence farmers, as well as for domestic stability. It is a pest of stored maize, dried cassava, yam, common sorghum and wheat. A mould then develops on the cadaver and fresh conidia are produced. The maize weevil is found in all warm and tropical parts of the world. The predominant control of this pest is the use of synthetic residual pesticides, which have adverse effects on consumers and environment. maize weevil control in the garden If you’ve found maize weevils on your corn or other vegetables, apply MULTIPURPOSE INSECT KILLER directly to the affected crops. In this study, the effect of plant powders on mortality of the maize weevil, final weight of corn kernels, number of perforated corn kernel, and weight of waste material were evaluated in laboratory conditions. The adults are usually between 3 and 4.6 mm long, with a long snout. 338). The predominant A mould then develops on the cadaver and fresh conidia are produced. Destroy termite nests, remove and kill the queen Apply termite killers like Termindol, Imaxi Seed dressing with Marshall 35 SD; Maize Weevil. Check out A-Tex Pest Management Inc. on Yelp. CONTROL: Assessment of infestations No alive insects were recorded after 4 months of maize storage, while with the highest content of 6 g/kg, 15 alive weevils were registered in SHABA variety. Control 20.33+1.69 7.66+0.94 12.66+1.69 0.61;1 CD (0.05) 1.91 1.12 1.84 The inert charcoal dust was found highly effective in suppressing the emergence of Sitophilus zeamais adults in Maize in the present investigation. Item type Current location Collection Call number Copy number Status Date due Barcode Item holds; Article CIMMYT Knowledge Center: John Woolston Library Commercial Pest Control for Your Business, Termite & Wood Destroying Organism (WDO) Inspections & Reports, Bee, Wasp & Hornet Stinging Insect Control. This test will establish how frequently it is necessary to disturb the weevils. From insect pests, maize weevil, Sitophilus zeamais (Mostch.) The rice and maize weevils are similar to the granary weevil in appearance and behavior. If disturbed they will feign death by drawing their legs up to their bodies and remaining still. Pesticide Free Methods of Maize Weevil Control in Stored Maize for Developing Countries. to control maize weevil Sitophilus zeamais (Motsch.) The only way to control these pests is fumigation. Thesis. This field study was conducted to determine the practicability of periodic physical disturbance on S. zeamais, maize weevil, mortality during maize storage on small-holder farms in Tanzania. The life-cycles of the Rice and Maize weevils follow a similar course to that of the Grain weevil. M.sc. Bbosa, D. Pesticide Free Methods of Maize Weevil Control in Stored Maize for Developing Countries. Control. MAIZE WEEVIL CONTROL IN THE GARDEN ^ If you’ve found maize weevils on your corn or other vegetables, apply MULTIPURPOSE INSECT KILLER directly to the affected crops. * Setting up the same maize-amaranth experiment (50:50 by volume) but having an extra layer of amaranth on top to investigate if this can help completely control the maize weevil. View Show abstract The different approaches which were studied to control the maize weevils included: evaluation of hermetic maize storage for smallholder farmers, effect of blending maize kernels with amaranth during storage on maize weevil mortality, and effect of storage containers physical disturbance on maize weevil mortality. (1996). provide ecological data about the maize weevil, Sitophilus zeamais (Mot.j, relative to its flight habits, attraction to sunflowers, and two hymenopterous parasites. Master’s Thesis, Iowa State University, Ames, IA, USA, 2014. This organic concentrate is fast acting and safe enough to use on corn, tomatoes and more with just one day to harvest. maize weevils in a monthly release program. On Farm Strategies for the Control of the Maize Weevil in Kenya: Khakame, Kakai, Nderitu, John, Olubayo, Florence: Amazon.com.mx: Libros The maize weevil has reddish yellow blotches on the wing case. Carbon dioxide at concentrations of 50 and 60%, respectively, killed all life stages of the weevil after 10 days of exposure. , 2010 ; Nwosu, 2014 ). This information is useful to personnel involved on agricultural research and development for developing location specific integrated pest management approach of this pest. Carbon dioxide at concentrations of 50% and 60% killed all life stages of the weevil after 10 days of exposure. Species Sitophilus zeamais - Maize weevil Datos: Q3272137; Multimedia: Esta página se editó por última vez el 11 dic 2020 a las 16:07. Economics of Pest Control. The Maize weevil will breed on maize in the field, but the Rice weevil only breeds in stored grain. 338). It is a major pest of maize. … Rice and Maize Weevils are widely distributed in tropical and sub-tropical areas and will be carried to temperate areas on imported commodities. The maize weevil is, for the most part, distributed in tropical areas around the world, but has since become established in more temperate climates such as areas in North America. Significance Grain weevils are important pests of farm-stored grain. Maize Weevil. Early harvesting; Clean and dust with Actellic Super or Sumicombi the store well before use Chapter 4: Effect of Storage Container Physical Disturbance on Maize Weevil Mortality. Maize weevils, for a long time were referred to as a larger strain or race of the rice weevil, but are now recognized as a distinct species. Setting up the same maize-amaranth experiment (50:50 by volume) but having an extra layer of amaranth on top to investigate if this can help completely control the maize weevil. Emerging from the egg within a few days are soft, white grubs which feed on the interior of a grain kernel. maize weevils in a monthly release program. The attack starts in the field where the female lays eggs in a slight hollow on the maize seed. The maize weevil (Sitophilus zeamais) is a species of beetle in the family Curculionidae.In the United States, it is called the greater rice weevil. provide ecological data about the maize weevil, Sitophilus zeamais (Mot.j, relative to its flight habits, attraction to sunflowers, and two hymenopterous parasites. Before storage: Harvest maize as soon as it is mature. These powders caused high mortality rates on the immature stages of the pests and repelled the adult weevils. Rice and Maize weevils are widely distributed in tropical and sub-tropical areas and will be carried to temperate areas on imported commodities. The maize weevil, Sitophilus zeamais, is an economic important pest in stored grains, thus alternative and safe methods of control are required. Both insects will not normally overwinter in unheated premises or grain stored at normal temperatures. However, unlike the granary weevil, adult rice weevils can fly and in warm climates can cause widespread damage to corn, wheat, and other grains before harvest. efficacy against Maize weevil (Sitophilus zeamais). The maize weevil breeds on maize in the field but the Rice weevil only breeds in stored grain. (1997) describes use of carbon dioxide-controlled atmosphere in Brazil for the control of S. zeamais on maize and wheat. Before storage: Harvest maize as soon as it is mature. All rights reserved. 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.It can be found in numerous tropical areas around the world, and in the United States, and is a major pest of maize. The current results indicate that large-scale experiments on biological control of the maize weevil with A. calandrae are now needed. The maize weevil’s life cycle is 35 days, and a single adult female can produce 10 generations within a 12-month period.” Saeed read reports of scientists isolating and then using the ubiquitous soil-dwelling fungus, Beauveria bassiana, as a biological pest and insect control method. Management plans should include: • good hygiene as an essential part of insect control, • methods to try to prevent insect problems developing, • inspection for insects and other quality problems, and • methods to control … Previous studies had confirmed effectiveness of ground powder derived from these plants in control of maize weevil in western Kenya (Ogendo et al., 2004a, Ogendo et al., 2004b). It lives in many tropical areas around the world, and in the United States. The antennal transcriptomic data and candidate OBP genes described here provide a basis for the functional studies of the maize weevil chemical perception, which are potential novel targets for pest control strategies. The maize weevil breeds on maize in the field but the Rice weevil only breeds in stored grain. Maize weevils have fully developed wings capable of flying whenever the notion strikes. These tiny beetles feature small snouts and come in varying colors of dull reddish brown to nearly black and typically feature 4 light reddish or yellowish spots on their backs. This species attacks both crops that are still growing and those that have been harvested. Both insects are less cold-hardy than the Grain weevil and will not normally overwinter in unheated premises or grain stored at normal temperatures. A three-year study of the maize weevil dispersing from a corn storage bin was made at Baton Rouge. If you have discovered maize weevils, pantry or other pests in your Austin, Texas home or business, contact A-Tex Pest Management and we will help exterminate them from your home or business. Since 2002 A-Tex Pest Management has been fully licensed and insured to provide commercial businesses and residential homes of the Greater Austin, Texas area with professional services and expertise in pest control at an affordable price. Using high-end products exclusive to licensed professionals, A-Tex Pest Management can ensure our valued customers receive nothing less than maximum results. While [15] recorded the mean developmental period of S. zeamais ranging between 33 and 35 days at the mean temperature of 26 ± 2oC, [7] recorded the total developmental period of S. zeamais as 39 Rice and Maize weevils are widely distributed in tropical and sub-tropical areas and will be carried to temperate areas on imported commodities. This species attacks both crops that are still growing and those that have been harvested. control and have the necessary equipment, you should not be storing grain. Generally, a female can lay up to 250 eggs at one time, and the eggs take up to three days to hatch. Cancel Unsubscribe. Maize Weevil. Though maize weevils are not linked to any health concerns for people, knowing they have contaminated your food is unsettling and unsavory. However, maize seeds have been lost by different factors such as insect pests, diseases, rodents and environmental factors. under optimal conditions of 27 to 31oC and 40 to 75% R.H., the maize weevil’s life cycle takes 5 to 8 weeks to complete [13, 14]. Maize weevil is among pests of storage sorghum in Ethiopia (Temesgen and Waktole, 2013). Maize kernels treated with neem oil or ash were damaged less than the control. In the absence of conventional methods of control, which are unavailable due to local supply bottlenecks, the study recommends use of maize cob powder to control weevils. The current results indicate that large-scale experiments on biological control of the maize weevil with A. calandrae are now needed. El texto está disponible bajo la Licencia Creative Commons Atribución Compartir Igual 3.0; pueden aplicarse cláusulas adicionales. CULTURAL CONTROL It is most important to dry the grain properly, to keep the storage area clean, and to monitor the grain often and regularly. Overall, control is similar to that recommended for the rice weevil (see Fact Sheet no. Twenty-six of forty-one maize weevil OBP genes were highly expressed in the antennae or other parts of the head. In the absence of conventional methods of control, which are unavailable due to local supply bottlenecks, the study recommends use of maize cob powder to control weevils. The rice weevil is a small snout beetle which varies in size, but it averages about three thirty-seconds inch in length. Santos et al. Maize kernels treated with neem oil or ash were damaged less than the control. Previous studies had confirmed effectiveness of ground powder derived from these plants in control of maize weevil in western Kenya (Ogendo et al., 2004a, Ogendo et al., 2004b). Therefore, breeding maize grains with tougher texture is suggested in the postharvest control of maize weevil. At 15°C and a grain moisture content of 11.3% the full life-cycle takes 6 months. The hatched larva bores thin tunnels beneath the seed coat leaving circular holes on the surface of the grain. The powder was passed through one mm mesh sieve. Sitophilus zeamais is a key pest of stored maize causing serious economic damage. The rice weevil has fully developed wings beneath its wing covers and can fly readily.

At the highest dosage of 6 g/kg, 100, 95 and 89 % adult weevil mortality was achieved in CLH103, CMS8501 and SHABA, respectively, within 14 days of exposure. Both adults and larvaefeed on internally on maize grains and an infestation can start in the field (when the cob is still on the plant) but most damage occurs in storage. Proceedings of an International Symposium held at the International Maize and Wheat Improvement Center, 27 November-3 December 1994., 91-95; [11 ref]. The attack starts in the field where the female lays eggs in a slight hollow on the maize seed. * Investigate how long it takes for a female maize weevil to bore through a kernel. Continuing to strive for customer satisfaction, not only do we execute superior quality pest control, but we apply courteous and friendly customer service, and traditional values and morals on a consistent basis. Effraim, N. O. The maize weevil, Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae), is a primary field to store pest ( Adedire 2001) that starts to infest the ripening maize crop in the field when the grain moisture content is still 50-55%. The maize weevil, Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae), is a primary field to store pest ( Adedire 2001) that starts to infest the ripening maize crop in the field when the grain moisture content is still 50-55%. Various neem products were compared with copra oil, palm oil and 0.25% diazinon dust for protection of stored maize against the grain weevil, Sitophilus zeamais Motsch. Control of weevils involves locating and removing all potentially infested food sources. Maize Weevil Control. This information is useful to personnel involved on agricultural research and development for developing location specific integrated pest management approach of this pest. Control. KEYWORDS : biological control, ectoparasitoid, induced mortality, repetitive release INTRODUCTION The maize weevil, Sitophilus zeamais (Motschulsky) The maize weevil is typically somewhat larger than the rice weevil, but rice weevils as large as the largest maize weevils and maize weevils nearly as small as the smallest rice weevils have been found. The mortality was corrected for control mortality using Abbott’s formula [15]. Working ... rice corn wheat weevil 바구미 - Duration: 0:44. EUDAIMONIA Pest Control Inc. was founded in New York on the basic principles of honesty, integrity and hard work to provide safe dependable and professional services to customers that demand quality expectations. Treatment with 15% carbon dioxide and 5% oxygen controlled the insects in 10 days. Infestation by this weevil begins in the field, but significant damage happens during storage (Girma. (1996). Loading... Unsubscribe from graincoat? , 2010 ; … Maize weevil damage graincoat. Biological pest control There have been various studies on biological control agents for the maize weevil. Rice Weevil, Sitophilus oryzae and Maize Weevil (Greater Grain Weevil), Sitophilus zeamais. For maize, threatening organisms are stem borers, nematodes, bacteria, viruses, fungi and weeds are some of the organisms that have a negative impact on the maize plant. This test will establish how frequently it is necessary to disturb the weevils. We are a trusted company with high standards and we work to provide the ideal environment to achieve success through reliable and efficient methods. Conclusively, the overall manipulations advised should yield roundish, smaller, and harder-textured grains which expectedly should offer higher resistance to weevil ( Tongjura et al. Evolving into a white pupa until it reaches adulthood, these weevils develop in a slower time frame than rice weevils, but usually only taking 30 days or so to pass through the life cycles of an egg to adulthood. A-Tex Pest Management technicians possess all the required credentials and have desirable attributes in all aspects of pest management. Eleven glass jars (500 ml capacity) were taken and each filled with Maize … The S. oryzae is a small (4 mm) snout reddish brown beetle with faint yellow or red patterns on the wings. (Coleoptera: Curculionidae) on three maize varieties in Cameroon Simon Pierre Yinyang Danga1*, Elias Nchiwan Nukenine1, Gabriel Tagne Fotso1 and Cornel Adler2 Abstract Background: Sitophilus zeamais is a key pest of stored maize causing serious economic damage. Since it is an internal pest, residual control … Santos et al (1999) described the use of a carbon dioxide controlled atmosphere in Brazil for the control of S. zeamais on maize and wheat. The maize weevil (Sitophilus zeamais) is a species of beetle in the family Curculionidae.In the United States, it is called the greater rice weevil. In Kentucky, most often the cost of an insect infestation in stored grain is that the buyer pays less for that grain. It is a major pest of maize. A three-year study of the maize weevil dispersing from a corn storage bin was made at Baton Rouge. Biology, economic impact and potential for semiochemical-based control of mahogany shoot borer, Hypsipyla robusta (Moore) (Lepidoptera: Pyralidae), African rhinoceros beetle, Oryctes monoceros (Olivier) (Coleoptera: Scarabaeidae) and maize weevil… Maize weevils attack many types of crops and are difficult to prevent and control. 0:44. Therefore, breeding maize grains with tougher texture is suggested in the postharvest control of maize weevil. KEYWORDS : biological control, ectoparasitoid, induced mortality, repetitive release INTRODUCTION The maize weevil, Sitophilus zeamais (Motschulsky) © 2015 A-Tex Pest Management. Various parasitoids (Anisopteromalus calandrae, Cephalonomia tarsalis, Lariophagus distinguendus and Theocolax elegans) could be effective if introduced early in the storage period.The fungus Beauveria bassiana can be used as a biological insecticide to control maize weevil in stored maize. (Coleoptera: Curculionidae) is an important insect-pest of maize in the tropics, causing serious losses Investigate how long it takes for a female maize weevil to bore through a kernel. The maize weevil is slightly larger, up to one-eighth inch (four mm) long, and darker than the rice weevil; the degree of variation within each species makes them difficult to tell apart. The constant fluctuation of grain prices and costs of insecticides, as well as attitudes of local buyers, make it impossible to set a specific cost-return value for treatment of stored grain. The experiment was laid out in a completely randomised design with four treatments that were replicated three times. Chapter 4: Effect of Storage Container Physical Disturbance on Maize Weevil … A-Tex Pest Management is fully capable of taking care of the pantry pests that invade Austin, Texas homes and businesses, including the Maize Weevil. The maize weevil is slightly larger, up to one-eighth inch (four mm) long, and darker than the rice weevil; the degree of variation within each species makes them difficult to tell apart. The use of phytochemicals for controlling storage pests constitutes an attractive alternative to synthetic products, since plant may be more biodegradable and safer. biology and ecology of maize weevil and provides prospect of using various physical, sanitary, cultural, botanical, biological and chemical control measures to manage weevil. It lives in many tropical areas around the world, and in the United States. Iowa State University; Ames, IA, USA: 2014. No alive insects were recorded after 4 months of maize storage, while with the highest content of 6 g/kg, 15 alive weevils were registered in SHABA variety. biology and ecology of maize weevil and provides prospect of using various physical, sanitary, cultural, botanical, biological and chemical control measures to manage weevil. Biology, economic impact and potential for semiochemical-based control of mahogany shoot borer, Hypsipyla robusta (Moore) (Lepidoptera: Pyralidae), African rhinoceros beetle, Oryctes monoceros (Olivier) (Coleoptera: Scarabaeidae) and maize weevil, Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae). CULTURAL CONTROL It is most important to dry the grain properly, to keep the storage area clean, and to monitor the grain often and regularly. It has deep irregular pits behind the head and the ... insecticides for control of maize weevil. Leaves and seed kernels of Neem and seeds of Custard apple were dried and ground to fine powder. et al., 2008; Baidool et al., 2010). These powders caused high mortality rates on the immature stages of the pests and repelled the adult weevils. Insect resistant maize: recent advances and utilization. Control.

At the highest dosage of 6 g/kg, 100, 95 and 89 % adult weevil mortality was achieved in CLH103, CMS8501 and SHABA, respectively, within 14 days of exposure. Use of resistant varieties is the best approach to overcoming the problems of synthetic insecticides in weevil control. • Granary weevil, also known as the wheat weevil (S. granarius) Overall, control is similar to that recommended for the rice weevil (see Fact Sheet no. We look at some of the major insect pests of maize and the damages they cause to the maize … Log in, how to catch rat that won’t go in my trap by step trapping. 지니tv 3,811 views. The … The rest were expressed in the legs, wings, or other tested tissues. View Show abstract Conclusively, the overall manipulations advised should yield roundish, smaller, and harder-textured grains which expectedly should offer higher resistance to weevil ( Tongjura et al. Effraim, N. O. ... Control.

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Infested food sources ; … * investigate how long it takes for a female can lay up to days. How frequently it is mature it lives in many tropical areas around the world, and in the United.. Are difficult to prevent and control are not linked to any health concerns for people, they...