Black rot. New guide to help tackle papaya mealybug. The eradication of collateral and wild hosts near maize field and rouging infected maize plants has been recommended. Maize crop production in Kenya has faced a lot of challenges over the years especially in recent times. Control Pests of Maize The grains are used in the manufacture of com oil and animal feeds hence it is a vital raw material for industrialization. Foliar (leaf) and stalk/ear rot diseases and stem-borers cause great losses in maize production in the humid transitional and high tropics of Kenya. To explain the process of monitoring pest, and diseases; Learning Outcomes. Most diseases covered are economically significant or have the potential to become so. There are also diseases such as leaf blights, rusts, and stem and root rots. A diseased Maize Plant Image courtesy of fwi.co.uk Pests. Weeds can also cause further problems by harbouring pests and diseases, interfering with harvest operations, and increasing costs of cleaning and drying the crop produce. In Kenya, maize is produced in both small and large farms. Control Pests of Maize Sudan grass also increases the efficiency of natural enemies, in particular parasitic wasps, when planted as border crops. The hatched larva bores thin tunnels beneath the seed coat leaving circular holes on the surface of the grain. Infestation is particularly serious in dry season. Both the adults and the larvae (grubs) of the beetle feed in the grains. Cabbage moth. Maize seeds production rises in eastern Africa as diseases contained Effective management of maize lethal necrosis (MLN), a pervasive viral disease affecting the cereal, has reduced seed production losses from 33 percent to 16 percent in the last four years, boosting supply of the product in the Eastern African region, experts noted. Incidence: Stalk borers are present wherever maize is grown; damage to the crop is caused by the caterpillars which feed on the stalk, whorl or the ear of the maize. SEEDING . Understand the kind of pest that cause damage to the crops Highland maize varieties are grown on some 40-50% of the total maize area, representing 600,000 - 800,000 Ha. PEST AND DISEASES OF MAIZE Pests of Maize (1) Stem borers: The larvae bore holes into young stems and destroy the tissue, leading to low yield or death of the plant. Young plants have pinholes in straight lines across the newest leaves. Stem/stalk borers Stem/stalk borers are the most important insect pests of maize in Kenya. Maize is subject to attack by a number of pests and diseases, mainly in insect pests (stalk borers and armyworms) and soil pests (wireworms and rootworms). ; Seedcorn beetle: Adult attack germinating seeds and seedlings, causing stunted growth. Diseases and pest attacks have brought down yields and in some areas destroyed the crop completely, leading farmers into encountering serious loses. They are also used as organic manure. ... Angwenyi stated that a surge of new pests … MAIZE PESTS. Severely damaged plants may lodge and be completely destroyed by termites. The varieties have genetic markers which allow them to ‘call for help’ when attacked, attracting wasps- biological enemies of stemborers. Banana weevil. Blister beetle. Home pests or office pests are irritating. This can lead to reduced growth. Most diseases covered are economically significant or have the potential to become so. Nowadays, it becomes a major barrier for production of maize due to create hamper of pollination. Attacked maize grains lose all their contents and are not fit to eat. Neil Groom, technical director for maize seed supplier Grainseed looks at the eight biggest threats to the UK crop. Maize is also a very important feed for livestock. The misdirection of efforts due to poor research done with obsolete technology reduces the potential productivity-boost that could take place in Kenya. The longer a field has been cultivated, the greater will be the yield losses caused by termites. The larger grain borer also attacks wooden structures of the stores. Pests, weeds and disease in maize crops can severely reduce yield and quality. This how to guide on pests, diseases and weed management will enable you to. MAIZE INSECT PESTS IMAGES MAIZE INSECT PESTS IMAGES . Seed treatment with Metalaxyl at 4 g/kg and foliar spray of Mancozeb 2.5 g/l or Metalaxyl MZ at 2g/l is recommended. Maize Figure 5: maize seedling attacked by cutworm, (Microtermes spp., Macrotermes spp., Allodontermes spp., and Odontotermes spp), Maize Figure 10: maize destroyed by weevils, Maize Figure 12: adult and larvae of red flour beetle, Maize Figure 13: An adult red flour beetle, © MMVI - MMXX NAFIS Design by Teknobyte, Cutworms (Agrotis spp. Yield losses in areas vary between 10-70%. Kenya Agricultural and Livestock Research Organisation (Kalro) has developed two maize varieties that are resistant to the viral Maize Lethal Necrosis (MLN) disease and fall army worm. Earworm larvae tunnel directly into … Without weed control, crop yields can be significantly reduced. Maize aphid: Attacks are on leaves as a black fungal growth (called sooty mold) often occurs on the honeydew secreted by aphids. Smartphone app that detects pests and diseases in bananas. Their feeding inside the stems causes the plant to wither and sometimes die. To understand the different ways of controlling pests and diseases naturally. (Photo: George Mahuku/CIMMYT) This announcement by Dr. L. M. Suresh was originally published on the Maize Lethal Necrosi s Information Portal of the International Maize and Wheat Improvement Center (CIMMYT). Without weed control, crop yields can be significantly reduced. Different productive sectors in the ASALs that This plant produces chemicals that repel stem borer moths. (2) Grasshoppers: They eat up the leaves and other soft vegetative parts of the plant. Maize Field Guide Maize Crop Development, Pests and Diseases. the four causal agents for maize diseases: fungi, bacteria, viruses, and mollicutes. Cabbage looper. You can spray the plant with Dimethoate etc, Spray Bestox 10 EC when soils are moist. Leave the maize to dry completely in the field before stooking. As plants mature the amount of damage increases rapidly. This is the time to treat - before the larvae move on into the stem. www.kws-uk.com. Yield losses in areas vary between 10-70%. Growers face the challenge of controlling pests and disease while meeting increasingly stringent value chain requirements in terms of quality and shelf life.Syngenta’s versatile chemical portfolio plays a major role in meeting this challenge. Syngenta’s specialty crops business comprises a large and diverse group of high-value crops grown around the world. and other species), ASDSP II Bilateral Review Mission Field Visits to Marsabit and Embu Counties, Service Providers challenged to develop Commercial Entrepreneurs in Siaya County, Sparrow mango wine manufactured in Siaya County, Smart Weather Community platform (m-SWECO), Africa Agricultural Technology Foundation (AATF), AF-MIP (Agriculture and Food Market information portal), Agricultural Information Resource Centre (AIRC), Agricultural Marketing Information Systems, National Horticulture Market information System (NaHMIS), Kenya Agricultural and Livestock Research Organisation (KALRO), Agriculture, Fisheries and Food Authority (AFFA), Ministry of Agriculture, Livestock and Fisheries, SIANI- Swedish International Agricultural Network Initiative, Agricultural Sector Development Support Programme (ASDSP), Government of Kenya (GOK) Information site, Swedish International Development Agency (SIDA), Agricultural Commodities Market Information. 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