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Josette Wrenfordsley 2025-01-11 19:59:19 +00:00
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<br>Jatropha Curcas is gaining value commercially as the demand of nonrenewable fuel sources increases tremendously and likewise Jatropha is an environmentally friendly energy . Plantation of this plant is thought about to be an exceptional fuel substitute and it is likewise really economical compared to other fuels. Recently, Jatropha is dealing with some trouble with insects and diseases. The insects are classified into two ranges: 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 typically known as Cut worm. This insect affects the seedlings and young Jatropha plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface area and this will shrunk the plant totally.<br>
<br>Control: This pest can be managed by selecting the larva found around the plants or by blending the bran, sawdust with insecticides.<br>
<br>Scarabaeid Beetle: This pest ruins the root of the young plant. Initially, the larva takes in the raw materials present in the soil and then comes to the root. The larva attack may kill the whole plant.<br>
<br>Control: The plant with great resistance power can conquer the insect. For heavy attack, insecticides with components carbosulfan and carbofuran can be utilized to kill the bug.<br>
<br>Army worm: Spodoptera litura presence can be identified by biting in the leaves. The extreme infection might entirely eliminate the plants.<br>
<br>Control: Insecticides are utilized to control the insects.<br>
<br>Grasshopper: This is common pest found in a number of plants. Valanga nigricornis and Locusta migratoria extensively attacks the plant. The bug often assaults the young plant.<br>
<br>Control: The insecticides used 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 bug harms the Jatropha stem and it is commonly seen in Indonesia. The stem attacked by this bug normally drop. The presence can be recognized 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 in other words duration. The quality and yield of the seeds get minimized due to the heavy attack.<br>
<br>Control: This can be controlled by choosing the old larvae around the surface and throwing away the assaulted leaves.<br>
<br>Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning experience when allowed to exposure to skin as it produces specific chemical compound. Initially the insect crowded in the leaf and then spread out all over the plant when it ages.<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 discovered mainly in tropical and subtropical areas. The insect targets the leaf and sucks all the nutrients of the leaf and gets curls at the idea. Later, the entire leaf dry and pass away.<br>
<br>Control: The heavy attack can be managed 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 become yellow-colored, shrinks, turns red and fall down. The insect can also be spread out through fallen leaves.<br>
<br>Control: Some preventive procedures can be simulated proper sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.<br>
<br>Some dreadful pest which attacks flower and fruit are, Stink bug (Nezara viridula)<br>
<br>Chrysocoris javanus, Tip borer caterpillar.<br>
<br>Stink Bug: Sting bug is a severe insect which assaults the plant throughout bloom duration so the crop yield totally drops. This bug is seen around the tropical area.<br>
<br>The poisonous enzyme in the plant shrinks the entire plant.<br>
<br>Control: Insecticides advised for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.<br>
<br>Tip borer caterpillar: The bugs frequently takes place attacks the plant in blooming season and this bug is seen extensively 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 tips.<br>
<br>Control: Manually, the attacked seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.<br>