Jatropha Curcas is gaining significance commercially as the need of nonrenewable fuel sources and likewise jatropha curcas is an eco-friendly energy plantation. Plantation of this plant is thought about to be an excellent fuel replacement and it is likewise really affordable compared to other fuels. Recently, Jatropha is facing some difficulty with pests and illness. The insects are categorized into two varieties: Pest that affect young plants and Pest that impact developed plants.
Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is commonly referred to as Cut worm. This pest 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 diminished the plant totally.
Control: This pest can be managed by selecting the larva discovered around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This pest ruins the root of the young plant. Initially, the larva consumes the raw materials present in the soil and then concerns the root. The larva attack might eliminate the whole plant.
Control: The plant with good resistance power can overcome the insect. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to kill the pest.
Army worm: Spodoptera litura presence can be recognized by biting in the leaves. The extreme infection could entirely kill the plants.
Control: Insecticides are used to control the insects.
Grasshopper: This is common bug discovered in numerous plants. Valanga nigricornis and Locusta migratoria commonly attacks the plant. The pest 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 insect harms the Jatropha stem and it is widely seen in Indonesia. The stem attacked by this pest typically drop. The presence can be recognized by the larva penetration hole at the stem.
Control: The Insecticide generally used to manage this pest is carbofuran.
Pest of leaf: The typical pests observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This pest can consume all the leaves of the plant simply put 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 and throwing away the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning sensation when allowed to exposure to skin as it produces certain chemical compound. Initially the pest crowded in the leaf and then spread out all over the plant when it grows older.
Control: Manually, the pest can be killed only by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.
Leaf Hopper: This insect is found primarily in tropical and subtropical regions. The insect targets the leaf and sucks all the nutrients of the leaf and gets curls at the tip. Later, the entire leaf dry and die.
Control: The heavy attack can be controlled by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also attacks the leaf and makes the whole plant weak. The insect presence can be identified when the leaf become yellow-colored, diminishes, turns red and drop. The insect can likewise be spread out through fallen leaves.
Control: Some preventive steps can be simulated appropriate 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 severe bug which assaults the plant throughout blossom period so the crop yield completely drops. This pest is seen around the tropical area.
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 insects typically takes place attacks the plant in flowering season and this bug is seen commonly in tropical regions. The female insect 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
Jimmy Goggins edited this page 2025-01-12 10:08:07 +08:00