Jatropha Curcas is acquiring value commercially as the need of fossil fuels increases greatly and also jatropha curcas is an environmentally friendly energy plantation. Plantation of this plant is considered to be an outstanding fuel alternative and it is also extremely cost-effective compared to other fuels. Recently, jatropha curcas is facing some problem with bugs and diseases. The bugs are categorized into two ranges: Pest that impact young plants and Pest that impact matured plants.

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

Agrotis ipsilon: It is frequently referred to as Cut worm. This pest impacts the seedlings and young Jatropha plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface area and this will shrunk the plant totally.

Control: This pest can be controlled by selecting the larva found 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 consumes the raw materials present in the soil and then pertains to the root. The larva attack might kill the entire plant.

Control: The plant with good resistance power can conquer the insect. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to eliminate the insect.

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

Control: Insecticides are utilized to control the insects.

Grasshopper: This prevails pest discovered in numerous plants. Valanga nigricornis and Locusta migratoria commonly attacks the plant. The insect frequently attacks the young plant.

Control: The insecticides utilized betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.

Pest observed in mature plants:

Pest of Stem: Ostrinia furnacalis, Xyleborus spp.

Ostrinia furnacalis and Xyleborus: This bug harms the jatropha curcas stem and it is commonly seen in Indonesia. The stem assaulted by this pest typically fall down. The existence can be identified by the larva penetration hole at the stem.

Control: The Insecticide usually used to manage this bug 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 duration. The quality and yield of the seeds get minimized due to the heavy attack.

Control: This can be controlled by choosing 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 feeling when enabled to exposure to skin as it produces particular 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 insect can be eliminated only by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.

Leaf Hopper: This bug is discovered mostly in tropical and subtropical areas. The pest targets the leaf and sucks all the nutrients of the leaf and gets curls at the suggestion. Later, the whole leaf dry and die.

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

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

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

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

Chrysocoris javanus, Tip borer caterpillar.

Stink Bug: Sting bug is a major insect which assaults the plant throughout bloom period so the crop yield entirely drops. This insect is seen around the tropical region.

The toxic enzyme in the plant shrinks the entire plant.

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

Tip borer caterpillar: The pests typically occurs attacks the plant in flowering season and this pest is seen widely in tropical areas. The female bug laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant pointers.

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