Jatropha Curcas is acquiring importance commercially as the need of nonrenewable fuel sources increases enormously and likewise jatropha curcas is an eco-friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel alternative and it is also really economical compared to other fuels. Recently, jatropha curcas is facing some difficulty with pests and diseases. The pests are categorized into 2 ranges: Pest that affect young plants and Pest that impact developed plants.
Young plant insects: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is typically referred to as Cut worm. This bug affects the seedlings and young jatropha curcas plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface and this will diminished the plant entirely.
Control: This pest can be managed by picking the larva found around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This bug ruins the root of the young plant. Initially, the larva consumes the natural matters present in the soil and then comes to the root. The larva attack may eliminate the entire plant.
Control: The plant with good resistance power can the pest. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to eliminate the bug.
Army worm: Spodoptera litura presence can be recognized by biting in the leaves. The extreme infection might totally eliminate the plants.
Control: Insecticides are used to manage the bugs.
Grasshopper: This prevails insect found in a number of plants. Valanga nigricornis and Locusta migratoria commonly assaults the plant. The bug often attacks the young plant.
Control: The insecticides utilized betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.
Pest observed in mature 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 pest generally fall down. The presence can be recognized by the larva penetration hole at the stem.
Control: The Insecticide generally utilized to manage this bug is carbofuran.
Pest of leaf: The typical insects observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This insect can consume all the leaves of the plant in short duration. The quality and yield of the seeds get lowered due to the heavy attack.
Control: This can be controlled by picking the old larvae around the surface area and throwing away the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning sensation when permitted to exposure to skin as it produces specific chemical compound. Initially the bug crowded in the leaf and then spread out all over the plant when it gets 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 bug is discovered primarily in tropical and subtropical regions. The bug targets the leaf and draws 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 controlled by using insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also attacks the leaf and makes the entire plant weak. The pest presence can be identified when the leaf become yellowish, shrinks, reddens and drop. The pest can likewise be spread out through fallen leaves.
Control: Some preventive procedures can be simulated correct sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some dreadful 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 blossom duration so the crop yield entirely drops. This pest is seen around the tropical region.
The poisonous enzyme in the plant diminishes the whole plant.
Control: Insecticides suggested for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The pests typically occurs attacks the plant in blooming season and this pest is seen commonly in tropical areas. 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 advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.
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Pests Of Jatropha
Carson Eudy edited this page 11 hours ago