Jatropha Curcas is acquiring value commercially as the demand of nonrenewable fuel sources increases enormously and likewise Jatropha is an eco-friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel replacement and it is also really economical compared to other fuels. Recently, jatropha curcas is dealing with some problem with pests and diseases. The bugs are categorized into 2 varieties: Pest that affect young plants and Pest that affect matured plants.

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

Agrotis ipsilon: It is commonly called Cut worm. This pest 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 shrunk the plant completely.

Control: This insect can be managed by choosing the larva found around the plants or by blending the bran, sawdust with insecticides.

Scarabaeid Beetle: This the root of the young plant. Initially, the larva takes in the raw materials present in the soil and then pertains to the root. The larva attack may kill the whole plant.

Control: The plant with great resistance power can conquer the bug. For heavy attack, insecticides with parts carbosulfan and carbofuran can be used to eliminate the pest.

Army worm: Spodoptera litura existence can be identified by biting in the leaves. The severe infection might totally kill the plants.

Control: Insecticides are utilized to manage the pests.

Grasshopper: This is typical bug found in numerous plants. Valanga nigricornis and Locusta migratoria widely attacks the plant. The insect often assaults the young plant.

Control: The insecticides used 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 normally 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 typical bugs observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.

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

Control: This can be controlled by selecting the old larvae around the surface area and discarding the assaulted leaves.

Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning sensation when permitted to contact with skin as it produces certain chemical compound. Initially the pest crowded in the leaf and after that spread all over the plant when it ages.

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

Leaf Hopper: This pest is found mostly in tropical and subtropical areas. The bug targets the leaf and sucks all the nutrients of the leaf and gets curls at the idea. 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 also attacks the leaf and makes the entire plant weak. The bug presence can be determined when the leaf become yellowish, diminishes, reddens and fall down. The pest can also be spread through fallen leaves.

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

Some awful 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 blossom duration so the crop yield entirely falls down. This pest is seen around the tropical area.

The toxic enzyme in the plant shrinks the entire plant.

Control: Insecticides advised for this bug is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.

Tip borer caterpillar: The pests commonly occurs attacks the plant in flowering season and this pest is seen commonly in tropical regions. The female bug 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 advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.