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Lara Cornish 2025-01-11 18:22:00 +00:00
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<br>Jatropha Curcas is acquiring significance commercially as the need of nonrenewable fuel sources increases greatly and also Jatropha is an eco-friendly energy plantation. Plantation of this plant is considered to be an excellent fuel substitute and it is also really economical compared to other fuels. Recently, Jatropha is facing some difficulty with insects and illness. The insects are categorized into two varieties: Pest that impact young plants and Pest that impact matured plants.<br>
<br>Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, .<br>
<br>Agrotis ipsilon: It is frequently referred to as Cut worm. This bug impacts 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 diminished the plant totally.<br>
<br>Control: This bug can be managed by choosing the larva discovered around the plants or by blending the bran, sawdust with insecticides.<br>
<br>Scarabaeid Beetle: This insect ruins the root of the young plant. Initially, the larva consumes the natural matters present in the soil and after that concerns the root. The larva attack might kill the entire plant.<br>
<br>Control: The plant with great resistance power can overcome the insect. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to eliminate the insect.<br>
<br>Army worm: Spodoptera litura presence can be identified by biting in the leaves. The severe infection might completely eliminate the plants.<br>
<br>Control: Insecticides are used to manage the bugs.<br>
<br>Grasshopper: This prevails bug discovered in numerous plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The insect often attacks the young plant.<br>
<br>Control: The insecticides utilized betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.<br>
<br>Pest observed in fully grown plants:<br>
<br>Pest of Stem: Ostrinia furnacalis, Xyleborus spp.<br>
<br>Ostrinia furnacalis and Xyleborus: This pest damages the Jatropha stem and it is extensively seen in Indonesia. The stem assaulted by this bug normally drop. The existence can be identified by the larva penetration hole at the stem.<br>
<br>Control: The Insecticide typically used to control this bug 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 bug can consume all the leaves of the plant in short period. 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 attacked leaves.<br>
<br>Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning experience when permitted to contact with skin as it produces particular chemical compound. Initially the pest 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 killed only by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.<br>
<br>Leaf Hopper: This bug is found mostly in tropical and subtropical regions. The insect targets the leaf and sucks 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 managed by using 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 yellowish, shrinks, reddens and drop. The insect can also be spread out through fallen leaves.<br>
<br>Control: Some preventive procedures can be done like proper sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.<br>
<br>Some terrible insect 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 serious bug which attacks the plant during bloom duration so the crop yield entirely falls down. This bug is seen around the tropical region.<br>
<br>The toxic enzyme in the plant diminishes the entire plant.<br>
<br>Control: Insecticides advised for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.<br>
<br>Tip borer caterpillar: The insects commonly takes place attacks the plant in blooming season and this pest 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.<br>
<br>Control: Manually, the assaulted seeds are suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.<br>