Pests Of Jatropha

Jatropha Curcas is getting value commercially as the need of fossil fuels increases greatly 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 likewise very cost-effective compared to other fuels. Recently, Jatropha is dealing with some problem with pests and diseases. The bugs are categorized into 2 ranges: Pest that impact young plants and Pest that impact grown plants.


Young plant insects: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.


Agrotis ipsilon: It is frequently understood as Cut worm. This insect affects 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 diminished the plant completely.


Control: This insect can be managed by picking the larva discovered around the plants or by mixing the bran, sawdust with insecticides.


Scarabaeid Beetle: This insect damages the root of the young plant. Initially, the larva consumes the raw materials present in the soil and after that comes to the root. The larva attack may eliminate the whole plant.


Control: The plant with excellent resistance power can conquer the pest. For heavy attack, insecticides with elements carbosulfan and carbofuran can be utilized to eliminate the pest.


Army worm: Spodoptera litura existence can be by biting in the leaves. The severe infection might totally eliminate the plants.


Control: Insecticides are utilized to manage the insects.


Grasshopper: This prevails bug found in several plants. Valanga nigricornis and Locusta migratoria commonly attacks the plant. The pest frequently assaults the young plant.


Control: The insecticides utilized betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.


Pest observed in mature plants:


Pest of Stem: Ostrinia furnacalis, Xyleborus spp.


Ostrinia furnacalis and Xyleborus: This insect damages the Jatropha stem and it is widely seen in Indonesia. The stem attacked by this pest normally drop. The existence can be determined by the larva penetration hole at the stem.


Control: The Insecticide usually used to manage this bug is carbofuran.


Pest of leaf: The typical bugs observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.


Leaf Caterpillar: This insect can eat all the leaves of the plant simply put period. The quality and yield of the seeds get minimized due to the heavy attack.


Control: This can be managed by choosing the old larvae around the surface and getting rid of the attacked leaves.


Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning sensation when allowed to exposure to skin as it produces specific chemical compound. Initially the bug crowded in the leaf and then spread all over the plant when it gets older.


Control: Manually, the bug can be eliminated just by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.


Leaf Hopper: This bug is found primarily in tropical and subtropical regions. The pest targets the leaf and draws all the nutrients of the leaf and gets curls at the idea. Later, the entire leaf dry and pass away.


Control: The heavy attack can be controlled by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.


Mite: Mite likewise attacks the leaf and makes the entire plant weak. The bug existence can be recognized when the leaf become yellow-colored, shrinks, reddens and fall down. The insect can also be spread out through fallen leaves.


Control: Some preventive measures can be simulated correct sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.


Some dreadful insect which assaults flower and fruit are, Stink bug (Nezara viridula)


Chrysocoris javanus, Tip borer caterpillar.


Stink Bug: Sting bug is a serious insect which attacks the plant throughout blossom duration so the crop yield totally drops. This insect is seen around the tropical region.


The toxic enzyme in the plant shrinks the entire plant.


Control: Insecticides recommended for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.


Tip borer caterpillar: The insects typically occurs attacks the plant in blooming season and this insect is seen widely in tropical areas. The female pest laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant ideas.


Control: Manually, the attacked seeds are recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.