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Jatropha Curcas is getting value commercially as the need of fossil fuels increases greatly and also Jatropha is an environmentally friendly energy plantation. Plantation of this plant is considered to be an exceptional fuel alternative and it is likewise extremely affordable compared to other fuels. Recently, jatropha curcas is dealing with some difficulty with pests and illness. The pests are categorized into 2 ranges: Pest that impact young plants and Pest that affect grown plants.

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

Agrotis ipsilon: It is typically called Cut worm. This pest impacts the seedlings and young jatropha curcas plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface area and this will diminished the plant totally.

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

Scarabaeid Beetle: This bug destroys the root of the young plant. Initially, the larva consumes the natural matters present in the soil and after that concerns the root. The larva attack may kill the entire plant.

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

Army worm: Spodoptera litura presence can be determined by biting in the leaves. The serious infection could completely kill the plants.

Control: Insecticides are used to control the insects.

Grasshopper: This is common pest found in several plants. Valanga nigricornis and Locusta migratoria widely attacks the plant. The bug 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 bug harms the jatropha curcas stem and it is commonly seen in Indonesia. The stem assaulted by this insect normally fall down. The existence can be identified by the larva penetration hole at the stem.

Control: The Insecticide usually utilized 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 and yield of the seeds get lowered due to the heavy attack.

Control: This can be managed by selecting the old larvae around the surface and getting rid of the assaulted leaves.

Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning experience when permitted to contact with skin as it produces certain chemical substance. Initially the pest crowded in the leaf and then spread all over the plant when it grows older.

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 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 utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.

Mite: Mite also attacks the leaf and makes the entire plant weak. The pest presence can be identified when the leaf ended up being yellowish, diminishes, turns red and fall down. The pest can also be spread out through fallen leaves.

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

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

Chrysocoris javanus, Tip borer caterpillar.

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

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 areas. The female pest 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 recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.