Coconut Cultivation |
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Page 39
... leaflets in mature fronds . * Leaflets will have yellowing with browning of tips . * Brown patches will coalesce and distinct scorching will be seen . * Entire crown would appear yellow to orangish - yellow . Older leaves are more ...
... leaflets in mature fronds . * Leaflets will have yellowing with browning of tips . * Brown patches will coalesce and distinct scorching will be seen . * Entire crown would appear yellow to orangish - yellow . Older leaves are more ...
Page 60
... leaflets . * Cut and examine an infested leaflet . Worm - like larvae or caterpillars are found in galleries , made of small pieces of leaf tissue and excreted material , on the lower surface of the leaflet . * Damage is done by ...
... leaflets . * Cut and examine an infested leaflet . Worm - like larvae or caterpillars are found in galleries , made of small pieces of leaf tissue and excreted material , on the lower surface of the leaflet . * Damage is done by ...
Page 68
... leaflets . Note sharp spines on the body ( b ) Partially defoliated leaflet . The resting strages ( pupae ) are found in the folded area . Fig . 35 The bag worm ( a ) ( b ) ( a ) Damage to foliage . ( b ) Bag worms feeding on the leaf ...
... leaflets . Note sharp spines on the body ( b ) Partially defoliated leaflet . The resting strages ( pupae ) are found in the folded area . Fig . 35 The bag worm ( a ) ( b ) ( a ) Damage to foliage . ( b ) Bag worms feeding on the leaf ...
Contents
THE COCONUT PALM AND ITS VARIETIES | 5 |
3 | 11 |
DEVELOPMENT OF UNPRODUCTIVE COCONUT STANDS | 25 |
Copyright | |
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Common terms and phrases
adult palms Ampara Annexure annual Anuradhapura banana Batticaloa Bibile Bingiriya Black Beetle cacao Ceylon Chilaw Coconut Cultivation Board Coconut Development Officers coconut lands Coconut Nursery coconut palm coconut products Coconut Research Institute coir dust Colombo copra Cost cover crop crop budget damage drought Estate Fertilizer application fertilizer stores fibre flower fronds Galle Gampaha Ginger gliricidia grass growers Hambantota insecticide intercropping ipil Kalutara Kegalle Kieserite Kilinochchi Kuliyapitiya Kurunegala leaf leaflets Lunuwila manure circle area Matale Matara May/June moisture conservation Monaragala Monocrotophos mulch Muriate of potash nutrients Oct./Nov Office of CCB Office Range Electorate(s organic manure pasture pepper pest pick plantation planting Polgahawela Polonnaruwa poly-bagged seedlings programme Puttalam rainfall Ratnapura Red Weevil Regional Office Range replanting Road Saphosphosphate Seed Garden seednuts served Address Small-holdings Sri Lanka Table Telephone trees Trincomalee trunk tubers Upkeep upto Urea variety Vavuniya yams young palms