Wednesday, June 11, 2014

Pest mites referred to two spots on his back because there are two black spots extending to stomach


Worms kipat or referred to by the name of scientific Cricula trisfenestrata Helf. This caterpillar has a black body with white spots, red head and tail and the whole body filled with white hair. Symptoms of worm infestation is avocado leaves intact and there are no bite marks. Even the great attack, the leaves will die out, but the plant would not die. Visible bergelantungan cocoon. wallflower Generally people do not memberantasnya because after an attack, the plants will bloom and bear much fruit.
Hama is an elliptical-shaped body, yellowish brown to red-orange, white flour indoor, body size 3 mm. Symptoms avocado wallflower crop growth stunted and thin. Young buds, stems, flower stalks, fruit stalk, and fruit will look pale and stricken dry time. To be sprayed with insecticide pengandaliannya wallflower containing the active ingredient formotion, monokrotofos, dimetoat or karbaril.
The beetle is called in latin debate Xyleborus coffeae Wurth. This beetle prefers coffee plants. His body is dark brown and measuring 1.5 mm. The symptoms on avocado plant that resembles a tunnel hole in the branch or twig. At last perforated wall covered with mushrooms sometimes Ambrosia tunnel or hole bigger so it would be not come to pass food to the leaves. Then the leaves are dried and eventually branch or twig die. Operating branches pruned attacked and burned. It can also be sprayed insecticide active wallflower desiccant acetate or diazinon contained in ortheme 75 SP at a dose of 0.5-0.8 grant g / l and diazinon 60 ec at a dose of 1-2 cc / l. How to operations other than the Spray can also be injected into the last hole.
Pest mites referred to two spots on his back because there are two black spots extending to stomach when you're older. Female mites or mite male has a yellowish green color body policy. Symptoms on leaf surfaces are yellow spots which then changed to dark red as rust. Under the leaf surface appears finely woven threads. Attack of the great causes the leaves shrivel and loss. This system can be spray with a desiccant akarisida active wallflower among dikofol, binapakril, and tetradifon.
The disease is caused by the fungus Cercospora purpurea. This fungus likes dark and damp places. The symptoms are mottled brown with dark brown edges on the surface of the leaves. This spot size of 1mm, angle-angle or when united diameter reaches 1.5 cm. The rest of the attack is avocado. Masalgin Pengendalianya wallflower by spraying fungicides containing Benomyl 50 WP, dosisnya 1-2 g / l; Cupravit OB 21 doses of 4 g / l.
The disease is caused by a fungus Phytophthoro. This fungus lives in the soil PFI containing organic materials, like wet soils with poor drainage. Symptoms of the plants attacked adalaha roots and stems. The stricken plant roots so bad. Sparse grass grows, new leaves grow smaller, and yellowish green. Handling is good drainage by unveiling the crop then replace them with other crops.
The disease is caused by a fungus Botryodiplodia theobromae Pat. This fungus attacks when there are sores on the surface of the fruit. The first symptoms of the attack was to mark the end of the stalk of the irregular brown spots. Operation with porridge spread Bordeaux or spraying fungicides volimex 80 WP active desiccant Zineb and giving a dose of 2-2.5 g / l.
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