Jatropha Curcas is gaining importance commercially as the demand of fossil fuels increases tremendously and likewise jatropha curcas is an eco-friendly energy plantation. Plantation of this plant is thought about to be an exceptional fuel substitute and it is likewise very economical compared to other fuels. Recently, Jatropha is dealing with some difficulty with insects and illness. The insects are classified into two ranges: Pest that impact young plants and Pest that affect developed plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is frequently referred to as 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 and this will shrunk the plant entirely.
Control: This insect can be managed by choosing the larva found 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 then pertains to the root. The larva attack might kill the entire plant.
Control: The plant with great resistance power can get rid of the insect. For heavy attack, insecticides with parts carbosulfan and carbofuran can be used to kill the bug.
Army worm: Spodoptera litura existence can be identified by biting in the leaves. The severe infection could totally eliminate the plants.
Control: Insecticides are used to manage the pests.
Grasshopper: This is typical pest discovered in several plants. Valanga nigricornis and Locusta migratoria extensively attacks the plant. The bug frequently attacks the young plant.
Control: The insecticides utilized betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.
Pest observed in fully grown plants:
Pest of Stem: Ostrinia furnacalis, Xyleborus spp.
Ostrinia furnacalis and Xyleborus: This bug harms the Jatropha stem and it is commonly seen in Indonesia. The stem assaulted by this bug typically drop. The existence can be determined by the larva penetration hole at the stem.
Control: The Insecticide normally used 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 period. The quality and yield of the seeds get reduced 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 spinal columns and a burning feeling when enabled to call with 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 bug can be eliminated just by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.
Leaf Hopper: This insect is found mainly in tropical and subtropical areas. The insect targets the leaf and sucks all the nutrients of the leaf and gets curls at the suggestion. Later, the whole leaf dry and die.
Control: The heavy attack can be controlled by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite likewise attacks the leaf and makes the entire plant weak. The bug existence can be determined when the leaf become yellow-colored, diminishes, turns red and drop. The bug 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 treated by spraying insecticides.
Some awful bug which assaults flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a serious pest which assaults the plant during bloom duration so the crop yield entirely drops. This bug is seen around the tropical region.
The harmful enzyme in the plant diminishes the entire plant.
Control: Insecticides advised for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The bugs commonly happens attacks the plant in blooming season and this bug is seen commonly 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 pointers.
Control: Manually, the attacked seeds are suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.
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Pests Of Jatropha
Huey Shippee edited this page 2025-01-12 06:51:48 +01:00