Pests Of Jatropha

Jatropha Curcas is acquiring value commercially as the need of fossil fuels increases significantly and likewise jatropha curcas is an environmentally friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel replacement and it is also really economical compared to other fuels. Recently, Jatropha is dealing with some difficulty with bugs and diseases. The pests are categorized into two varieties: Pest that impact young plants and Pest that impact developed plants.

Young plant pests: 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 entirely.

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

Scarabaeid Beetle: This bug ruins 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 might eliminate the whole plant.

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

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 manage the pests.

Grasshopper: This prevails bug discovered in numerous plants. Valanga nigricornis and Locusta migratoria commonly attacks the plant. The bug frequently attacks the young plant.

Control: The insecticides used 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 commonly seen in Indonesia. The stem assaulted by this insect usually drop. The existence can be identified by the larva penetration hole at the stem.

Control: The Insecticide generally utilized to manage 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 insect can consume all the leaves of the plant in short period. The quality and yield of the seeds get lowered due to the heavy attack.

Control: This can be controlled by selecting the old larvae around the surface area and discarding the assaulted leaves.

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

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

Leaf Hopper: This pest is discovered mainly in tropical and subtropical regions. 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 die.

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

Mite: Mite also assaults the leaf and makes the entire plant weak. The pest presence can be identified when the leaf ended up being yellow-colored, diminishes, turns red and drop. The bug 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 awful insect which attacks flower and fruit are, Stink bug (Nezara viridula)

Chrysocoris javanus, Tip borer caterpillar.

Stink Bug: Sting bug is a severe pest which assaults the plant during blossom duration so the crop yield completely drops. This insect is seen around the tropical area.

The harmful 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 commonly happens attacks the plant in flowering season and this bug is seen commonly in tropical regions. 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 suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.