Pests Of Jatropha

Jatropha Curcas is acquiring value commercially as the demand of fossil fuels increases tremendously and also Jatropha is an environmentally friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel substitute and it is also extremely economical compared to other fuels. Recently, Jatropha is dealing with some difficulty with bugs and diseases. The insects are categorized into 2 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 known as Cut worm. This insect affects 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 completely.

Control: This bug can be controlled by selecting the larva found around the plants or by blending the bran, sawdust with insecticides.

Scarabaeid Beetle: This bug damages the root of the young plant. Initially, the larva consumes the raw materials present in the soil and then pertains to the root. The larva attack may eliminate the whole plant.

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

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

Control: Insecticides are used to manage the pests.

Grasshopper: This is common bug discovered in a number of plants. Valanga nigricornis and Locusta migratoria the plant. The pest often 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 commonly seen in Indonesia. The stem assaulted by this insect usually fall down. The presence can be recognized by the larva penetration hole at the stem.

Control: The Insecticide normally used to control this insect 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 consume all the leaves of the plant simply put duration. The quality 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 area and throwing away the attacked leaves.

Needle Caterpillar: This caterpillar is covered with spines and produces a burning feeling when permitted to call with skin as it produces certain chemical compound. Initially the pest crowded in the leaf and after that spread all over the plant when it grows older.

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

Leaf Hopper: This bug 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 managed by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.

Mite: Mite likewise assaults the leaf and makes the whole plant weak. The insect existence can be recognized when the leaf ended up being yellow-colored, shrinks, reddens and drop. The insect can likewise be spread out through fallen leaves.

Control: Some preventive procedures can be simulated proper 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 serious pest which assaults the plant throughout blossom period so the crop yield totally falls down. This bug is seen around the tropical region.

The poisonous 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 commonly takes place attacks the plant in flowering season and this insect is seen widely 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 ideas.

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