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<br>Jatropha Curcas is getting value commercially as the demand of fossil fuels increases enormously and also Jatropha is an environment-friendly energy plantation. Plantation of this plant is considered to be an outstanding fuel alternative and it is also extremely affordable compared to other fuels. Recently, Jatropha is facing some problem with pests and diseases. The pests are categorized into 2 ranges: Pest that affect young plants and Pest that impact grown plants.<br>
<br>Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.<br>
<br>Agrotis ipsilon: It is typically called Cut worm. This pest impacts the seedlings and young Jatropha plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface and this will diminished the plant totally.<br>
<br>Control: This pest can be managed by selecting the larva discovered around the plants or by blending the bran, sawdust with insecticides.<br>
<br>Scarabaeid Beetle: This pest damages the root of the young plant. Initially, the larva consumes the raw materials present in the soil and then concerns the root. The larva attack might eliminate the entire plant.<br>
<br>Control: The plant with great resistance power can conquer the bug. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to kill the insect.<br>
<br>Army worm: Spodoptera litura existence can be recognized by biting in the leaves. The severe infection might completely kill the plants.<br>
<br>Control: Insecticides are used to control the insects.<br>
<br>Grasshopper: This prevails pest found in several plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The insect frequently attacks the young plant.<br>
<br>Control: The insecticides utilized betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.<br>
<br>Pest observed in mature plants:<br>
<br>Pest of Stem: Ostrinia furnacalis, Xyleborus spp.<br>
<br>Ostrinia furnacalis and Xyleborus: This pest harms the Jatropha stem and it is commonly seen in Indonesia. The stem assaulted by this insect normally fall down. The existence can be identified by the larva penetration hole at the stem.<br>
<br>Control: The Insecticide typically utilized to control this bug is carbofuran.<br>
<br>Pest of leaf: The typical bugs observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.<br>
<br>Leaf Caterpillar: This insect can eat all the leaves of the plant in brief period. The quality and yield of the seeds get reduced due to the heavy attack.<br>
<br>Control: This can be managed by choosing the old larvae around the surface area and discarding the assaulted leaves.<br>
<br>Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning sensation when allowed to exposure to skin as it produces certain chemical substance. Initially the bug crowded in the leaf and after that spread out all over the plant when it grows older.<br>
<br>Control: Manually, the insect can be eliminated just by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.<br>
<br>Leaf Hopper: This insect is found mostly in tropical and subtropical areas. The bug targets the leaf and draws all the nutrients of the leaf and gets curls at the suggestion. Later, the entire leaf dry and pass away.<br>
<br>Control: The heavy attack can be controlled by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.<br>
<br>Mite: Mite likewise attacks the leaf and makes the entire plant weak. The bug presence can be identified when the leaf ended up being yellow-colored, diminishes, reddens and drop. The insect can also be spread out through fallen leaves.<br>
<br>Control: Some procedures can be done like correct sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.<br>
<br>Some terrible pest which assaults flower and fruit are, Stink bug (Nezara viridula)<br>
<br>Chrysocoris javanus, Tip borer caterpillar.<br>
<br>Stink Bug: Sting bug is a severe bug which attacks the plant during blossom duration so the crop yield completely falls down. This insect is seen around the tropical area.<br>
<br>The poisonous enzyme in the plant shrinks the whole plant.<br>
<br>Control: Insecticides advised for this bug is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.<br>
<br>Tip borer caterpillar: The pests commonly happens attacks the plant in flowering season and this insect is seen commonly in tropical areas. The female bug laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant suggestions.<br>
<br>Control: Manually, the assaulted seeds are recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.<br>
