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Jatropha Curcas is acquiring value commercially as the need of nonrenewable fuel sources increases tremendously and likewise Jatropha is an environmentally friendly energy plantation. Plantation of this plant is considered to be an excellent fuel substitute and it is likewise really cost-effective compared to other fuels. Recently, Jatropha is dealing with some trouble with bugs and diseases. The bugs 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 frequently called Cut worm. This pest affects the seedlings and young Jatropha plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface and this will shrunk the plant totally.

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

Scarabaeid Beetle: This bug damages 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 might eliminate the entire plant.

Control: The plant with excellent resistance power can conquer the pest. For heavy attack, insecticides with components carbosulfan and carbofuran can be utilized to kill the bug.

Army worm: Spodoptera litura existence can be determined by biting in the leaves. The extreme infection could totally kill the plants.

Control: Insecticides are used to manage the insects.

Grasshopper: This prevails bug found in several plants. Valanga nigricornis and Locusta migratoria commonly attacks the plant. The pest typically attacks 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 stem and it is extensively seen in Indonesia. The stem attacked by this insect usually drop. The presence can be identified by the larva penetration hole at the stem.

Control: The Insecticide normally utilized to control 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 in short duration. The quality and yield of the seeds get lowered due to the heavy attack.

Control: This can be managed by choosing the old larvae around the surface and discarding the assaulted leaves.

Needle Caterpillar: This caterpillar is covered with spines and produces a burning feeling when allowed to exposure to skin as it produces specific chemical compound. Initially the bug crowded in the leaf and after that spread out 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 managed by spraying organophosphate insecticides.

Leaf Hopper: This insect is found mainly 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 likewise attacks the leaf and makes the entire plant weak. The insect existence can be identified when the leaf become yellow-colored, shrinks, reddens 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 dealt with by spraying insecticides.

Some dreadful pest which attacks flower and fruit are, Stink bug (Nezara viridula)

Chrysocoris javanus, Tip borer caterpillar.

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

The hazardous enzyme in the plant shrinks the whole plant.

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

Tip borer caterpillar: The pests frequently occurs attacks the plant in blooming season and this insect is seen widely in tropical regions. The female the eggs on the tender part of the plant and the young larvae feed the young fruits and plant tips.

Control: Manually, the assaulted seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.