Theory question 105
Ornamental Plants(a) Outline six benefits derived from growing ornamental plants.
(b) State four symptoms of cassava mosaic disease.
(c) Explain the following terms as used in forest management: (i) selective exploitation; (ii) regeneration; (iii) taungya farming.
Show the model answer
(a) Any six: beautify homes and surroundings; provide shade; act as windbreaks; check erosion; serve as fences/hedges; provide income when sold; reduce noise and dust; some are medicinal; give recreation and fresh air.
(b) Any four: mosaic pattern of yellow and green on leaves; leaf curling and distortion; reduced leaf size; stunted plants; small or few tubers.
(c)(i) Selective exploitation: only mature trees of the wanted species and size are felled, leaving young ones to grow.
(ii) Regeneration: renewing a forest after felling, naturally (seeds, coppice) or by planting seedlings.
(iii) Taungya: farmers grow food crops between young forest trees, tending the trees while they farm until the tree canopy closes.
Keep the explanations in (c) short and precise.