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Jatropha Curcas is getting value commercially as the demand of fossil fuels increases significantly and also jatropha curcas is an environment-friendly energy plantation. Plantation of this plant is thought about to be an excellent fuel substitute and it is also really economical compared to other fuels. Recently, Jatropha is dealing with some trouble with insects and illness. The insects are categorized into two varieties: Pest that affect young plants and Pest that affect matured plants.

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

Agrotis ipsilon: It is frequently referred to as Cut worm. This bug 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 area and this will shrunk the plant completely.

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

Scarabaeid Beetle: This bug ruins the root of the young plant. Initially, the larva consumes the raw materials present in the soil and then comes to the root. The larva attack may eliminate the entire plant.

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

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

Control: Insecticides are utilized to manage the bugs.

Grasshopper: This is common insect discovered in a number of plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The bug frequently 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 harms the Jatropha stem and it is commonly seen in Indonesia. The stem assaulted by this insect typically drop. The presence can be determined by the larva penetration hole at the stem.

Control: The Insecticide generally used 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 bug can eat all the leaves of the plant simply put period. The quality and yield of the seeds get reduced due to the heavy attack.

Control: This can be controlled by selecting the old larvae around the surface area and throwing away the attacked leaves.

Needle Caterpillar: This caterpillar is covered with spines and produces a burning feeling when allowed to call with skin as it produces particular chemical compound. Initially the pest crowded in the leaf and after that spread out all over the plant when it ages.

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

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

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

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

Control: Some preventive steps can be done like appropriate sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.

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

Chrysocoris javanus, Tip borer caterpillar.

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

The toxic enzyme in the plant diminishes the whole plant.

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

Tip borer caterpillar: The takes place attacks the plant in flowering season 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 pointers.

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