Jatropha Curcas is gaining significance commercially as the need of nonrenewable fuel sources increases tremendously and likewise Jatropha is an eco-friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel substitute and it is likewise extremely affordable compared to other fuels. Recently, jatropha curcas is facing some trouble with bugs and diseases. The pests are classified into two varieties: Pest that affect young plants and Pest that impact matured plants.

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

Agrotis ipsilon: It is commonly called 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 diminished the plant completely.

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

Scarabaeid Beetle: This insect destroys the root of the young plant. Initially, the larva takes in the natural matters present in the soil and then 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 used to kill the bug.

Army worm: Spodoptera litura existence can be identified by biting in the leaves. The extreme infection could completely kill the plants.

Control: Insecticides are utilized to control the pests.

Grasshopper: This prevails pest found in several plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The bug often assaults 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 pest harms the jatropha curcas stem and it is widely seen in Indonesia. The stem assaulted by this pest generally drop. The existence can be recognized by the larva penetration hole at the stem.

Control: The Insecticide generally used to control this pest is carbofuran.

Pest of leaf: The typical pests are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.

Leaf Caterpillar: This insect can eat all the leaves of the plant in other words duration. The quality and yield of the seeds get decreased due to the heavy attack.

Control: This can be managed by choosing the old larvae around the surface area and getting rid of the attacked leaves.

Needle Caterpillar: This caterpillar is covered with spines and produces a burning experience when allowed to exposure to skin as it produces certain chemical compound. Initially the bug crowded in the leaf and then spread out all over the plant when it grows older.

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

Leaf Hopper: This pest is found mostly in tropical and subtropical areas. The bug targets the leaf and draws all the nutrients of the leaf and gets curls at the suggestion. 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 likewise assaults the leaf and makes the whole plant weak. The pest existence can be recognized when the leaf ended up being yellow-colored, shrinks, reddens and fall down. The bug can likewise be spread through fallen leaves.

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

Some awful 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 completely falls down. This bug is seen around the tropical area.

The hazardous enzyme in the plant diminishes the entire plant.

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

Tip borer caterpillar: The bugs frequently happens attacks the plant in flowering season and this bug 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 pointers.

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