Charlie Digby @ charliedigby98 Member Since: 22 Jan 2025

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Pests Of JatrophaJatropha Curcas is gaining importance commercially as the demand of fossil fuels increases greatly and also Jatropha is an eco-friendly energy plantation. Plantation of this plant is considered to be an outstanding fuel substitute and it is likewise really affordable compared to other fuels. Recently, Jatropha is facing some problem with insects and diseases. The bugs are categorized into 2 varieties: Pest that impact young plants and Pest that affect developed plants.Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.Agrotis ipsilon: It is frequently called Cut worm. This insect impacts the seedlings and young Jatropha plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface area and this will shrunk the plant completely.Control: This bug can be managed by the larva discovered around the plants or by mixing the bran, sawdust with insecticides.Scarabaeid Beetle: This pest damages 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.Control: The plant with great resistance power can conquer the pest. For heavy attack, insecticides with elements carbosulfan and carbofuran can be utilized to kill the bug.Army worm: Spodoptera litura existence can be identified by biting in the leaves. The extreme infection might totally eliminate the plants.Control: Insecticides are used to manage the pests.Grasshopper: This is typical insect discovered in numerous plants. Valanga nigricornis and Locusta migratoria extensively attacks the plant. The bug frequently attacks the young plant.Control: The insecticides used betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.Pest observed in mature plants:Pest of Stem: Ostrinia furnacalis, Xyleborus spp.Ostrinia furnacalis and Xyleborus: This insect harms the Jatropha stem and it is widely seen in Indonesia. The stem attacked by this pest normally fall down. The presence can be recognized by the larva penetration hole at the stem.Control: The Insecticide normally used to manage this pest is carbofuran.Pest of leaf: The common bugs observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.Leaf Caterpillar: This insect can eat all the leaves of the plant simply put period. The quality and yield of the seeds get decreased due to the heavy attack.Control: This can be controlled by choosing the old larvae around the surface and getting rid of the assaulted leaves.Needle Caterpillar: This caterpillar is covered with spines and produces a burning experience when enabled to exposure to skin as it produces certain chemical compound. Initially the pest crowded in the leaf and after that spread all over the plant when it grows older.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.Leaf Hopper: This insect is found primarily in tropical and subtropical regions. The pest 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.Control: The heavy attack can be managed by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.Mite: Mite also attacks the leaf and makes the entire plant weak. The bug presence can be determined when the leaf ended up being yellowish, shrinks, turns red and drop. The pest can likewise be spread out through fallen leaves.Control: Some preventive steps can be done like correct sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.Some dreadful bug which attacks flower and fruit are, Stink bug (Nezara viridula)Chrysocoris javanus, Tip borer caterpillar.Stink Bug: Sting bug is a major bug which assaults the plant throughout bloom period so the crop yield entirely drops. This pest is seen around the tropical region.The harmful enzyme in the plant diminishes the entire plant.Control: Insecticides advised for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.Tip borer caterpillar: The bugs frequently happens 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 pointers.Control: Manually, the attacked seeds are recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.