Jatropha Curcas is acquiring importance commercially as the demand of fossil fuels increases significantly and likewise Jatropha is an environment-friendly energy plantation. Plantation of this plant is thought about to be an excellent fuel alternative and it is also very cost-effective compared to other fuels. Recently, jatropha curcas is dealing with some difficulty with insects and diseases. The insects are classified into 2 ranges: Pest that impact young plants and Pest that impact matured plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, .
Agrotis ipsilon: It is frequently referred to as Cut worm. This insect 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 shrunk the plant completely.
Control: This insect can be managed by selecting the larva discovered around the plants or by mixing the bran, sawdust with insecticides.
Scarabaeid Beetle: This bug ruins the root of the young plant. Initially, the larva takes in the organic matters present in the soil and then comes to the root. The larva attack might eliminate the whole plant.
Control: The plant with good resistance power can conquer the bug. For heavy attack, insecticides with parts carbosulfan and carbofuran can be used to eliminate the pest.
Army worm: Spodoptera litura existence can be identified by biting in the leaves. The serious infection could completely kill the plants.
Control: Insecticides are utilized to control the pests.
Grasshopper: This is common bug found in numerous plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The bug typically assaults the young plant.
Control: The insecticides used betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.
Pest observed in fully grown plants:
Pest of Stem: Ostrinia furnacalis, Xyleborus spp.
Ostrinia furnacalis and Xyleborus: This pest harms the jatropha curcas stem and it is widely seen in Indonesia. The stem assaulted by this bug typically fall down. The presence can be determined by the larva penetration hole at the stem.
Control: The Insecticide normally used to control this insect is carbofuran.
Pest of leaf: The typical insects observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This bug can consume all the leaves of the plant in other words duration. The quality and yield of the seeds get decreased due to the heavy attack.
Control: This can be managed by picking the old larvae around the surface area and throwing away the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning sensation when permitted to exposure to skin as it produces particular chemical substance. Initially the bug crowded in the leaf and after that spread out all over the plant when it gets older.
Control: Manually, the pest can be killed only by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This bug is found mostly 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 die.
Control: The heavy attack can be managed by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite likewise attacks the leaf and makes the whole plant weak. The insect presence can be identified when the leaf become yellow-colored, shrinks, reddens and fall down. The bug can likewise be spread through fallen leaves.
Control: Some preventive steps can be simulated correct sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some awful insect 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 bloom duration so the crop yield completely drops. This bug is seen around the tropical region.
The toxic enzyme in the plant diminishes the whole plant.
Control: Insecticides advised for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The bugs frequently occurs attacks the plant in blooming season and this insect is seen extensively in tropical regions. The female pest laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant ideas.
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
Jacquelyn Blazer edited this page 2 months ago