Jatropha Curcas is getting value commercially as the demand of nonrenewable fuel sources increases tremendously and also Jatropha is an environmentally 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 bugs and diseases. The insects are categorized into 2 ranges: Pest that impact young plants and Pest that affect grown plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is commonly called Cut worm. This bug impacts the seedlings and young jatropha curcas plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface and this will diminished the plant entirely.
Control: This bug can be managed by choosing the larva found around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This insect damages the root of the young plant. Initially, the larva consumes the organic matters present in the soil and then concerns the root. The larva attack might kill the whole plant.
Control: The plant with excellent resistance power can conquer the pest. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to eliminate the insect.
Army worm: Spodoptera litura existence can be identified by biting in the leaves. The severe infection might completely eliminate the plants.
Control: Insecticides are used to manage the insects.
Grasshopper: This is typical insect found in numerous plants. Valanga nigricornis and Locusta migratoria commonly assaults the plant. The pest typically 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 damages the Jatropha stem and it is extensively seen in Indonesia. The stem attacked by this pest typically drop. The presence can be identified by the larva penetration hole at the stem.
Control: The Insecticide typically utilized to manage this bug is carbofuran.
Pest of leaf: The common 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 minimized due to the heavy attack.
Control: This can be managed by picking the old larvae around the surface area and getting rid of the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning experience when enabled to exposure to skin as it produces certain 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 eliminated just by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This bug is discovered primarily in tropical and . The bug 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 managed by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also assaults the leaf and makes the entire plant weak. The bug existence can be determined when the leaf become yellowish, shrinks, turns red and drop. The insect can likewise be spread through fallen leaves.
Control: Some preventive procedures can be simulated appropriate sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some dreadful insect which attacks flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a severe insect which attacks the plant during blossom duration so the crop yield entirely drops. This insect is seen around the tropical area.
The toxic enzyme in the plant diminishes the whole plant.
Control: Insecticides recommended for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The insects frequently takes place attacks the plant in flowering season and this pest is seen widely in tropical areas. The female insect 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.
1
Pests Of Jatropha
Anthony Butz edited this page 2025-01-12 07:48:55 +00:00