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- Founded Date December 27, 1988
- Sectors Production / Logistics
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Pests Of Jatropha
Jatropha Curcas is gaining value commercially as the demand of fossil fuels increases enormously and likewise Jatropha is an eco-friendly energy plantation. Plantation of this plant is thought about to be an excellent fuel alternative and it is also extremely economical compared to other fuels. Recently, Jatropha is dealing with some problem with insects and diseases. The pests are categorized into 2 ranges: Pest that impact young plants and Pest that affect matured plants.
Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is typically called Cut worm. This insect impacts the seedlings and young Jatropha plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface area and this will shrunk the plant totally.
Control: This insect can be managed by choosing the larva discovered around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This bug destroys the root of the young plant. Initially, the larva consumes the raw materials present in the soil and after that concerns the root. The larva attack may eliminate the entire plant.
Control: The plant with good resistance power can conquer the insect. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to eliminate the pest.
Army worm: Spodoptera litura presence can be determined by biting in the leaves. The extreme infection could entirely eliminate the plants.
Control: Insecticides are utilized to control the pests.
Grasshopper: This is common insect found in several plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The bug typically assaults the young plant.
Control: The insecticides utilized betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.
Pest observed in fully grown plants:
Pest of Stem: Ostrinia furnacalis, Xyleborus spp.
Ostrinia furnacalis and Xyleborus: This insect harms the Jatropha stem and it is extensively seen in Indonesia. The stem attacked by this bug normally fall down. The existence can be determined by the larva penetration hole at the stem.
Control: The Insecticide typically used to manage this bug is carbofuran.
Pest of leaf: The common bugs observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This pest can eat all the leaves of the plant in short period. The quality and yield of the seeds get minimized due to the heavy attack.
Control: This can be managed by picking the old larvae around the surface and discarding the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning experience when enabled to contact with skin as it produces specific chemical substance. Initially the in the leaf and after that spread all over the plant when it grows older.
Control: Manually, the bug can be killed only by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This bug is discovered mainly in tropical and subtropical regions. The insect targets the leaf and draws all the nutrients of the leaf and gets curls at the pointer. Later, the entire leaf dry and die.
Control: The heavy attack can be controlled by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also assaults the leaf and makes the whole plant weak. The bug existence can be recognized when the leaf become yellow-colored, shrinks, reddens and drop. The insect can likewise be spread through fallen leaves.
Control: Some preventive steps can be done like proper sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some terrible insect which attacks flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a major pest which assaults the plant throughout bloom period so the crop yield completely falls down. This pest is seen around the tropical region.
The harmful enzyme in the plant shrinks the entire plant.
Control: Insecticides suggested for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The insects frequently happens attacks the plant in flowering season and this insect is seen widely in tropical areas. The female insect laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant ideas.
Control: Manually, the assaulted seeds are recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.