Pests Of Jatropha

Jatropha Curcas is gaining value commercially as the demand of fossil fuels increases greatly and also Jatropha is an environment-friendly energy plantation. Plantation of this plant is thought about to be an exceptional fuel replacement and it is likewise really economical compared to other fuels. Recently, Jatropha is facing some trouble with insects and illness. The insects are classified into 2 varieties: Pest that impact young plants and Pest that impact matured plants.

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

Agrotis ipsilon: It is frequently referred to as Cut worm. This bug impacts the seedlings and young Jatropha 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 bug can be managed by selecting the larva discovered around the plants or by blending the bran, sawdust with insecticides.

Scarabaeid Beetle: This insect ruins the root of the young plant. Initially, the larva consumes the raw materials present in the soil and after that pertains to the root. The larva attack might eliminate the entire plant.

Control: The plant with good resistance power can overcome the bug. For heavy attack, insecticides with components carbosulfan and carbofuran can be used to kill the bug.

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

Control: Insecticides are used to control the pests.

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

Control: The insecticides utilized 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 stem and it is extensively seen in Indonesia. The by this bug usually fall down. The presence can be recognized by the larva penetration hole at the stem.

Control: The Insecticide normally utilized to control this pest 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 lowered due to the heavy attack.

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

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

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

Leaf Hopper: This pest is found mostly in tropical and subtropical regions. The pest targets the leaf and draws all the nutrients of the leaf and gets curls at the tip. Later, the entire leaf dry and pass away.

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

Mite: Mite likewise attacks the leaf and makes the entire plant weak. The pest presence can be determined when the leaf become yellow-colored, shrinks, turns red and drop. The pest can also be spread out through fallen leaves.

Control: Some preventive steps can be done like proper 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 severe bug which attacks the plant during blossom duration so the crop yield entirely falls down. This bug is seen around the tropical area.

The toxic enzyme in the plant diminishes the entire plant.

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

Tip borer caterpillar: The insects commonly takes place attacks the plant in flowering season and this insect is seen extensively 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 advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.