Jatropha Curcas is getting value commercially as the demand of fossil fuels increases enormously and also jatropha curcas is an environment-friendly energy plantation. Plantation of this plant is considered to be an outstanding fuel substitute and it is likewise really affordable compared to other fuels. Recently, jatropha curcas is dealing with some difficulty with bugs and illness. The insects are classified into 2 ranges: Pest that affect young plants and Pest that affect grown plants.

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

Agrotis ipsilon: It is commonly understood as Cut worm. This bug impacts the seedlings and young jatropha curcas plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface area and this will diminished the plant entirely.

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

Scarabaeid Beetle: This insect damages the root of the young plant. Initially, the larva takes in the organic matters 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 get rid of the insect. For heavy attack, insecticides with elements carbosulfan and carbofuran can be utilized to kill the pest.

Army worm: Spodoptera litura presence can be determined by biting in the leaves. The extreme infection might entirely kill the plants.

Control: Insecticides are used to control the bugs.

Grasshopper: This is typical insect discovered in numerous plants. Valanga nigricornis and Locusta migratoria widely attacks the plant. The pest typically 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 insect harms the jatropha curcas stem and it is extensively seen in Indonesia. The stem assaulted by this pest normally fall down. The existence can be determined by the larva penetration hole at the stem.

Control: The Insecticide typically utilized to control this bug is carbofuran.

Pest of leaf: The typical insects 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 other words 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 tossing away the attacked leaves.

Needle Caterpillar: This caterpillar is covered with spines and produces a burning experience when enabled to call with skin as it produces specific chemical substance. Initially the insect crowded in the leaf and after that spread all over the plant when it ages.

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

Leaf Hopper: This pest is discovered mainly in tropical and subtropical areas. 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 controlled by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.

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

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

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

Chrysocoris javanus, Tip borer caterpillar.

Stink Bug: Sting bug is a major pest which assaults the plant during bloom period so the crop yield entirely falls down. This pest is seen around the tropical region.

The poisonous enzyme in the plant shrinks the entire plant.

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

Tip borer caterpillar: The pests typically occurs attacks the plant in and this insect is seen extensively 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 tips.

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