Jatropha Curcas is getting importance commercially as the need of fossil fuels increases tremendously and also jatropha curcas is an environmentally friendly energy plantation. Plantation of this plant is considered to be an excellent fuel alternative and it is also very affordable compared to other fuels. Recently, Jatropha is dealing with some trouble with insects and illness. The pests are categorized into 2 ranges: Pest that impact young plants and Pest that affect developed plants.

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

Agrotis ipsilon: It is typically called Cut worm. This insect 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 diminished the plant totally.

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

Scarabaeid Beetle: This pest damages the root of the young plant. Initially, the larva takes in the raw materials present in the soil and after that concerns the root. The larva attack might eliminate the entire plant.

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

Army worm: Spodoptera litura presence can be recognized by biting in the leaves. The serious infection could totally eliminate the plants.

Control: Insecticides are utilized to control the bugs.

Grasshopper: This prevails insect found in a number of plants. Valanga nigricornis and Locusta migratoria extensively attacks the plant. The insect often assaults 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 pest damages the jatropha curcas stem and it is extensively seen in Indonesia. The stem attacked by this bug generally drop. The presence can be determined by the larva penetration hole at the stem.

Control: The Insecticide generally utilized to control this insect 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 brief 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 area and discarding the assaulted leaves.

Needle Caterpillar: This caterpillar is covered with spines and produces a burning experience when enabled to contact with skin as it produces particular chemical substance. Initially the pest 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 controlled by spraying organophosphate insecticides.

Leaf Hopper: This insect is discovered mainly in tropical and subtropical regions. The insect the leaf and sucks all the nutrients of the leaf and gets curls at the pointer. 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 assaults the leaf and makes the entire plant weak. The insect presence can be recognized when the leaf ended up being yellow-colored, shrinks, reddens and fall down. The pest can likewise be spread out 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 awful pest which assaults 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 duration so the crop yield entirely drops. This pest is seen around the tropical area.

The toxic enzyme in the plant shrinks the entire plant.

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

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

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