PEST MANAGEMENT DECISION GUIDE: GREEN AND YELLOW LIST Root knot nematode of tomato, pepper and eggplant Meloidogyne spp. Prevention Monitoring Direct Control Direct Control Restrictions

l Do not transfer nematodes into a clean area when transplanting - l Additional relevant crops: l Rogue and burn l Nematicides l Avoid by reducing movement of soil from one place to another tomato, pepper, eggplant affected plants with (chemicals) used recommending l Expose ploughed land for 2-3 weeks before transplanting this may l Monitor field regularly typical nematode in controlling chemical control help to reduce nematode numbers looking for wilted or symptoms at early nematodes are with stages of plant generally nematicides. l Farm tools (e.g. cutlasses) should be washed of soil particles after yellowed plants Roots of tomato plant with growth poisnous and Encourage use use l Also look for stunted expensive of cultural knots (Gerald Holmes, growth and zones of poor l Remove galled roots California Polytechnic State l Control weeds and volunteer crops or other solanaceous plants as this may help to practices and University at San Luis Obispo, growth on the farm soon l Rotate for 2 years with non-host crops: sorghum, millet, broccoli or reduce nematode other preventive Bugwood.org) after transplanting cauliflower populations methods l Uproot affected plants to l Plant marigolds (e.g. Tagetes patula) on fields for two months after examine the root systems l Application of poultry harvest, plough into soil before transplanting seedlings and check for galls and manure or cow dung l Destroy plant debris after harvest by burning swellings at a rate of 5t/ha can boost crop vigour l When planning to grow high value crops it may be economical to l As soon as the first and reduce have the soil tested for the presence of nematodes. Contact the symptoms are observed nematode infestation Nematology Laboratory of CSIR (Crops Research Institute) for begin direct controls on the crop information Tomato plant wilting due to nematode infestation (CABI)

Ghana CREATED/UPDATED: May 2016 AUTHOR(S): E. Moses (Scientific and Agricutural Consultants, Impact Plus Company Limited) and F.C. Brentu (University of Ghana) EDITED BY: Plantwise

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