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Eldon D'Hage 2025-01-12 06:16:02 +08:00
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<br>Jatropha Curcas is getting significance commercially as the demand of fossil fuels increases tremendously and likewise Jatropha is an environmentally friendly energy plantation. Plantation of this plant is thought about to be an excellent fuel alternative and it is likewise very affordable compared to other fuels. Recently, Jatropha is facing some difficulty with bugs and diseases. The bugs are categorized into 2 ranges: Pest that affect young plants and Pest that affect grown plants.<br>
<br>Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.<br>
<br>Agrotis ipsilon: It is typically known as Cut worm. This bug impacts 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 completely.<br>
<br>Control: This pest can be controlled by selecting the larva discovered around the plants or by mixing the bran, sawdust with insecticides.<br>
<br>Scarabaeid Beetle: This pest destroys 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 kill the entire plant.<br>
<br>Control: The plant with good resistance power can get rid of the bug. 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 by biting in the leaves. The extreme infection might completely kill the plants.<br>
<br>Control: Insecticides are utilized to manage the pests.<br>
<br>Grasshopper: This prevails bug found in several plants. Valanga nigricornis and Locusta migratoria widely assaults 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 damages the Jatropha stem and it is extensively seen in Indonesia. The stem assaulted by this pest normally fall down. The presence can be recognized by the larva penetration hole at the stem.<br>
<br>Control: The Insecticide generally utilized to manage this bug is carbofuran.<br>
<br>Pest of leaf: The common pests 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 simply put 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 throwing away the attacked leaves.<br>
<br>Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning experience when permitted to exposure to skin as it produces particular chemical compound. Initially the bug crowded in the leaf and after that spread out all over the plant when it gets older.<br>
<br>Control: Manually, the insect can be eliminated just by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.<br>
<br>Leaf Hopper: This insect is discovered primarily in tropical and subtropical areas. The bug targets the leaf and draws all the nutrients of the leaf and gets curls at the tip. 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 pest existence can be determined when the leaf ended up being yellow-colored, shrinks, turns red and fall down. The pest can also be spread through fallen leaves.<br>
<br>Control: Some preventive measures can be simulated proper sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.<br>
<br>Some awful insect 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 serious pest which attacks the plant during blossom duration so the crop yield entirely drops. This bug is seen around the tropical area.<br>
<br>The hazardous enzyme in the plant shrinks the whole plant.<br>
<br>Control: Insecticides recommended for this bug is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.<br>
<br>Tip borer caterpillar: The pests frequently happens attacks the plant in flowering season and this pest is seen commonly 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 pointers.<br>
<br>Control: Manually, the attacked seeds are suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.<br>