Jatropha Curcas is acquiring value commercially as the need of nonrenewable fuel sources increases greatly 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 affordable compared to other fuels. Recently, Jatropha is dealing with some trouble with pests and diseases. The insects are categorized into two ranges: Pest that affect young plants and Pest that impact matured plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is frequently called Cut worm. This pest affects the seedlings and young jatropha curcas plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface area and this will diminished the plant completely.
Control: This insect can be managed by picking 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 takes in the natural matters present in the soil and after that concerns the root. The larva attack might eliminate the entire plant.
Control: The plant with excellent resistance power can conquer the pest. For heavy attack, insecticides with components carbosulfan and carbofuran can be utilized to eliminate the pest.
Army worm: Spodoptera litura existence can be identified by biting in the leaves. The severe infection could totally kill the plants.
Control: Insecticides are utilized to the pests.
Grasshopper: This prevails bug found in numerous plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The pest often assaults 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 pest damages the jatropha curcas stem and it is widely seen in Indonesia. The stem attacked by this insect normally drop. The presence can be recognized by the larva penetration hole at the stem.
Control: The Insecticide typically utilized to manage this pest is carbofuran.
Pest of leaf: The typical bugs observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This bug can eat all the leaves of the plant simply put duration. The quality and yield of the seeds get minimized due to the heavy attack.
Control: This can be managed by choosing the old larvae around the surface and throwing away the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning feeling when permitted to contact with skin as it produces particular chemical substance. Initially the insect crowded in the leaf and then spread all over the plant when it ages.
Control: Manually, the pest can be killed just by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This insect is discovered mainly in tropical and subtropical regions. The bug targets the leaf and draws all the nutrients of the leaf and gets curls at the pointer. Later, the whole leaf dry and die.
Control: The heavy attack can be managed by using insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also assaults the leaf and makes the entire plant weak. The pest presence can be recognized when the leaf become yellow-colored, diminishes, turns red and drop. The insect can likewise be spread out through fallen leaves.
Control: Some preventive measures can be done like correct sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some terrible bug which assaults 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 blossom period so the crop yield entirely falls down. This insect is seen around the tropical region.
The harmful enzyme in the plant diminishes the whole plant.
Control: Insecticides suggested for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The pests typically takes place attacks the plant in blooming season and this bug is seen widely in tropical regions. The female bug laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant suggestions.
Control: Manually, the assaulted seeds are suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.
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Pests Of Jatropha
Luther Medders edited this page 2025-01-12 10:13:23 +01:00