Pests Of Jatropha

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<br>Jatropha Curcas is gaining value commercially as the demand of fossil fuels increases significantly and likewise Jatropha is an environment-friendly energy plantation. Plantation of this plant is thought about to be an exceptional fuel substitute and it is also very economical compared to other fuels. Recently, Jatropha is facing some problem with bugs and diseases. The insects are into 2 varieties: Pest that impact young plants and Pest that affect developed plants.<br>
<br>Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.<br>
<br>Agrotis ipsilon: It is frequently called 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 and this will diminished the plant totally.<br>
<br>Control: This bug can be controlled by choosing the larva found around the plants or by mixing the bran, sawdust with insecticides.<br>
<br>Scarabaeid Beetle: This insect ruins the root of the young plant. Initially, the larva consumes the organic matters present in the soil and after that concerns the root. The larva attack may eliminate the entire plant.<br>
<br>Control: The plant with good resistance power can conquer the pest. For heavy attack, insecticides with elements carbosulfan and carbofuran can be utilized to kill the pest.<br>
<br>Army worm: Spodoptera litura presence can be determined by biting in the leaves. The extreme infection might totally eliminate the plants.<br>
<br>Control: Insecticides are used to manage the pests.<br>
<br>Grasshopper: This prevails insect discovered in several plants. Valanga nigricornis and Locusta migratoria extensively attacks the plant. The pest often 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 insect harms the Jatropha stem and it is commonly seen in Indonesia. The stem attacked by this pest typically fall down. The existence can be identified by the larva penetration hole at the stem.<br>
<br>Control: The Insecticide normally used to control this pest is carbofuran.<br>
<br>Pest of leaf: The common bugs observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.<br>
<br>Leaf Caterpillar: This pest can consume all the leaves of the plant simply put duration. The quality and yield of the seeds get minimized due to the heavy attack.<br>
<br>Control: This can be managed by picking 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 experience when enabled to call with skin as it produces specific chemical substance. Initially the pest crowded in the leaf and after that spread all over the plant when it grows older.<br>
<br>Control: Manually, the pest can be eliminated only by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.<br>
<br>Leaf Hopper: This pest is found mostly in tropical and subtropical regions. The pest targets the leaf and sucks all the nutrients of the leaf and gets curls at the tip. Later, the whole leaf dry and die.<br>
<br>Control: The heavy attack can be controlled by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.<br>
<br>Mite: Mite also assaults the leaf and makes the entire plant weak. The bug existence can be determined when the leaf become yellow-colored, shrinks, turns red and fall down. The insect can likewise be spread out through fallen leaves.<br>
<br>Control: Some preventive procedures can be done like appropriate sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.<br>
<br>Some awful 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 major pest which assaults the plant throughout blossom period so the crop yield entirely falls down. This pest is seen around the tropical area.<br>
<br>The hazardous enzyme in the plant shrinks the entire plant.<br>
<br>Control: Insecticides recommended for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.<br>
<br>Tip borer caterpillar: The pests commonly happens attacks the plant in flowering season and this pest is seen extensively in tropical regions. The female insect laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant ideas.<br>
<br>Control: Manually, the attacked seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.<br>

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