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The diagram below shows a soil borne pest that attacks plant roots
agr18

  1. Identify the pest
  2. State 2 symptoms of attack by the pest in tomato production
  3. State 2 control measures for the pest

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  1. Root nematode/ red worm
  2.    
    • Root swells/ formation of root galls
    • Wilting of crop even when moisture is adequate
    • Retarded growth/ stunted growth of shoots/ plants
    • Discolouration of leaves
  3.   
    • Crop rotation
    • Use of nematicides
    • Fumigation of soil
    • Soil solarisation
    • Closed season
    • Plant resistant crop varieties
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