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GROUP TWO A. LEAF CURL AND POOR YEILD IN TOMATO PRODUCTION. Leaf curl disease is characterized by: severe stunting of the plants with downward rolling and crinkling of the leaves . The newly emerging leaves exhibit slight yellow colouration. A nd later they also show curling symptoms
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GROUP TWO A LEAF CURL AND POOR YEILD IN TOMATO PRODUCTION
Leaf curl disease is characterized by: • severe stunting of the plants with downward rolling and crinkling of the leaves. • The newly emerging leaves exhibit slight yellow colouration. • And later they also show curling symptoms • Older leaves become leathery and brittle.
POSSIBLE CAUSES OF LEAF CURL • Environmental stress • Insects infestation • Diseases (viral disease)
SYMPTOMS • stunting of the plant • downward rolling and crinkling of leaves. • newly emerging leaves exhibit slight yellow colouration • leathery and brittle
SAMPLES COLOURATION
Control measures The disease is transmitted by whitefly: • hence to check the whitefly population use insecticides. • Proper sanitation on the farm/Ensure good farm hygiene • Weed control • Avoid over watering
POSSIBLE CAUSES • Inadequate spacing • Poor cultural practices, such as weeds and pest control. • Disease infestation • Time of harvesting
Control/preventive measures • Fertilizer application • Application of recommended chemical to check pests and disease infestation • Harvesting early • Creating enough spacing • Regular watering/irrigation
THANK YOU END OF PRESENTATION GROUP TWO A
PICTURE GALARY CLEANING AROUND