Senin, 30 Juni 2014

Pimelephia ghesquierei

Pimelephia ghesquierei
symptom
Hole or space in young leaf worm container movement from these pests. If there is a strong wind blowing, leaves much to be broken.

cause
Moths pimelephia ghesquierei. Borer eggs are placed under the leaves that have not been opened. A few days later the eggs will hatch into larvae in the form of worms, measuring 3-4 cm, dark red and turn into yellowish fit with independent development. Life cycle from egg to adult lasts for 35-45 days. The moth attacks are usually 3-5 years old plants or in nursery.

Agen Casino Onlineeradication
Mild attacks can be overcome with independent way of cutting bagain attacked. To crop an attack quite sprayed with parathion 0.02%.

worms fire
symptom
Leaf perforated or die out until the leaves are just bones. These symptoms are started from the bottom leaves.

cause
Setora nitens, Darna MMS, and Ploneta diducta a mite leaf disease. Larval form of a green caterpillar on his back and there was a white line extending from the head to the tip of the body. This worm measuring 20-25 mm long. Stiff shag is in his back and poisonous. Contact tanagn feels itchy and hot.

eradication
In light attack dilakuakn manual eradication, namely taking worms from the leaves and destroy them. Eradication is khemis denagn spraying insecticide active desiccant triazofos 242 g / l, karbanil 85%, and klorpirifos 200 g / l. Some examples of these insecticides is Hostation 25 ULV, Sevin or Dursban 85 ES and concentration that is organized from 0.2 to 0.3%. During the current operation of caterpillar larvae have developed a biological fuel, namely denagn B.nudaurelia spread of the virus.

worms bag
symptom
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The leaves are not intact, damaged and perforated leaf lubang.kerusakan starting from epidermisnya layer. Further damage is caused mengeringnya leaves the bottom title gray and ahnaya young leaves are still green.

cause
Metisa plana, Mahasena, and Crematosphisa pendula was the cause of this attack. The spread of this pest is very fast, because it is a "car" is easily moved from one leaf to another leaf or from one tree to lain.Kerusakan by these mites can cause production to drop 40% in the first year.

eradication
In khemis with lead arsenates 2.5 kg / ha in 25 l of water or with independent insecticide containing the active ingredient triklorfon 707 g / l, for example Dipterex 700 ULV. The dose of insecticide for each hectare plantation acreage is 1.5-2 kg dissolved in 15-20 l of water. Pemebrantasan dengen disseminate biological predators and parasites. Several types of parasites that attack the larvae are often djumpai Callimerus arcufer, Brachymeria sp, Apenteles sp, sp Fislistina, Caryphus inferus and others. Predator larvae among others Sycanus dichotomus.

grasshopper
symptom
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The leaves are not intact, at the sides appear to bite, especially on young leaves. Seeds damaged, can even break it.

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