vegetative propagation. Maintenance of ornamental plants. Importance of each method and examples of ornamental plants propagated through such G. CROP PROTECTION method would be Diseases of crops assessed. Meaning of disease General effects of diseases on crop production. Reasons for carrying out Disease: causal organism, economic maintenance operations: importance, mode of watering, mulching, transmission, symptoms, prevention and pruning etc be control assessed. CONTENTS NOTES measures of the diseases of the following crops: cereals smut, rice blast, leaf rust etc; – legumes cercospora leaf spot, rosette – etc; beverages cocoa blackpod, swollen – shoot, coffee leaf rust etc; tubers cassava mosaic, bacterial leaf Assessment include at – blight etc; least two fungal, two viral, fruits- citrus gummosis, dieback etc two bacterial and one fibre black arm/bacterial blight of cotton nematode diseases of the – etc; crops chosen from the list. vegetables root knot of tomato or okro, – damping off, twister etc; stored produce mould etc. – Pests of crops Meaning of Classification of pests: insect-pests; non-insect Classification of insect-pests based on mouth parts with examples: (i) biting and chewing; (ii) piercing and sucking; boring. Important insect-pests of major crops; and storage pests, life cycle, economic importance, nature of damage, preventive and
vegetative propagation. Maintenance of ornamental plants. G. CROP PROTECTION Diseases of crops Meaning of disease General effects of diseases on crop production. Disease: causal organism, economic importance, mode of transmission, symptoms, prevention and control Importance of each method and examples of ornamental plants propagated through such method would be assessed. Reasons for carrying out maintenance operations: watering, mulching, pruning etc be assessed. CONTENTS NOTES measures of the diseases of the following crops: cereals – smut, rice blast, leaf rust etc; legumes – cercospora leaf spot, rosette etc; beverages – cocoa blackpod, swollen shoot, coffee leaf rust etc; tubers – cassava mosaic, bacterial leaf blight etc; fruits- citrus gummosis, dieback etc fibre – black arm/bacterial blight of cotton etc; vegetables – root knot of tomato or okro, damping off, twister etc; stored produce – mould etc. Pests of crops Meaning of Classification of pests: insect-pests; non-insect Classification of insect-pests based on mouth parts with examples: (i) biting and chewing; (ii) piercing and sucking; boring. Important insect-pests of major crops; and storage pests, life cycle, economic importance, nature of damage, preventive and Assessment include at least two fungal, two viral, two bacterial and one nematode diseases of the crops chosen from the list.