Jatropha jatropha curcas is getting value commercially as the need of fossil fuels increases significantly and likewise Jatropha is an environmentally friendly energy plantation. Plantation of this plant is considered to be an exceptional fuel replacement and it is likewise extremely affordable compared to other fuels. Recently, Jatropha is facing some trouble with pests and illness. The bugs are categorized into 2 ranges: Pest that impact young plants and Pest that affect matured plants.

Young plant insects: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.

Agrotis ipsilon: It is commonly called Cut worm. This pest 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 area and this will diminished the plant totally.

Control: This pest can be controlled by selecting the larva discovered around the plants or by mixing the bran, sawdust with insecticides.

Scarabaeid Beetle: This bug destroys the root of the young plant. Initially, the larva consumes the raw materials present in the soil and after that comes to the root. The larva attack may eliminate the whole plant.

Control: The plant with excellent resistance power can get rid of the pest. For heavy attack, insecticides with parts carbosulfan and carbofuran can be used to kill the pest.

Army worm: Spodoptera litura existence can be recognized by biting in the leaves. The serious infection could completely eliminate the plants.

Control: Insecticides are utilized to manage the insects.

Grasshopper: This is common pest discovered in numerous plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The insect 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 pest damages the Jatropha stem and it is commonly seen in Indonesia. The stem assaulted by this insect generally drop. The presence can be recognized by the larva penetration hole at the stem.

Control: The Insecticide generally utilized to manage this insect is carbofuran.

Pest of leaf: The common bugs observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.

Leaf Caterpillar: This pest can eat all the leaves of the plant simply put period. The quality and yield of the seeds get decreased due to the heavy attack.

Control: This can be managed by selecting the old larvae around the surface and getting rid of the assaulted leaves.

Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning experience when permitted to exposure to skin as it produces certain chemical compound. Initially the pest crowded in the leaf and then spread all over the plant when it grows older.

Control: Manually, the bug can be killed only by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.

Leaf Hopper: This insect is found mainly in tropical and subtropical regions. The bug targets the leaf and draws all the nutrients of the leaf and gets curls at the tip. Later, the entire leaf dry and pass away.

Control: The heavy attack can be managed by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.

Mite: Mite also attacks the leaf and makes the entire plant weak. The bug existence can be identified when the leaf ended up being yellowish, shrinks, reddens and drop. The bug can likewise be spread through fallen leaves.

Control: Some preventive measures can be simulated correct sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.

Some terrible pest which assaults flower and fruit are, Stink bug (Nezara viridula)

Chrysocoris javanus, Tip borer caterpillar.

Stink Bug: Sting bug is a severe insect which assaults the plant during bloom period so the crop yield completely drops. This pest is seen around the tropical area.

The hazardous enzyme in the plant diminishes the entire plant.

Control: Insecticides recommended for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.

Tip borer caterpillar: The pests typically takes place attacks the plant in blooming season and this pest is seen widely 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 attacked seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.