Jatropha Curcas is getting significance commercially as the demand of fossil fuels increases greatly and likewise jatropha curcas is an environment-friendly energy plantation. Plantation of this plant is thought about to be an exceptional fuel replacement and it is also extremely affordable compared to other fuels. Recently, Jatropha is facing some problem with pests and diseases. The insects are classified into 2 ranges: Pest that impact young plants and Pest that impact developed plants.
Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is typically referred to as Cut worm. This bug affects the seedlings and young Jatropha plants. If the plant is affected 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 controlled by choosing the larva found around the plants or by mixing 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 after that concerns the root. The larva attack may eliminate the entire plant.
Control: The plant with excellent resistance power can get rid of the bug. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to eliminate the pest.
Army worm: Spodoptera litura existence can be determined by biting in the leaves. The severe infection might entirely eliminate the plants.
Control: Insecticides are utilized to manage the pests.
Grasshopper: This is typical insect discovered in numerous plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The pest frequently 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 bug damages the jatropha curcas stem and it is widely seen in Indonesia. The stem assaulted by this bug normally fall down. The presence can be identified by the larva penetration hole at the stem.
Control: The Insecticide normally utilized to manage this insect 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 eat all the leaves of the plant in short period. The quality and yield of the seeds get lowered due to the heavy attack.
Control: This can be managed by picking the old larvae around the surface and getting rid of the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning sensation when enabled to call with skin as it produces particular chemical substance. Initially the insect crowded in the leaf and after that 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 controlled by spraying organophosphate insecticides.
Leaf Hopper: This insect is discovered primarily in tropical and subtropical regions. The pest targets the leaf and sucks all the nutrients of the leaf and gets curls at the pointer. Later, the whole 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 entire plant weak. The insect presence can be determined when the leaf ended up being yellow-colored, shrinks, turns red and fall down. The insect can likewise be spread through fallen leaves.
Control: Some preventive steps can be done like correct sanitation and burning the fallen leaves. Heavy attack can be treated by .
Some awful insect which attacks flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a serious bug which assaults the plant during blossom duration so the crop yield entirely falls down. This insect is seen around the tropical region.
The hazardous enzyme in the plant diminishes the entire plant.
Control: Insecticides recommended for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The bugs commonly happens attacks the plant in flowering season and this bug is seen commonly 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 pointers.
Control: Manually, the attacked seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
Swen Dacomb edited this page 2025-01-18 13:07:20 +08:00