Pests Of Jatropha

Jatropha Curcas is acquiring value commercially as the demand of fossil fuels increases tremendously and likewise Jatropha is an eco-friendly energy plantation. Plantation of this plant is thought about to be an exceptional fuel substitute and it is likewise really economical compared to other fuels. Recently, Jatropha is facing some problem with bugs and illness. The bugs are categorized into two varieties: Pest that affect young plants and Pest that affect grown plants.

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

Agrotis ipsilon: It is frequently understood as Cut worm. This bug 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 diminished the plant entirely.

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

Scarabaeid Beetle: This insect destroys the root of the young plant. Initially, the larva consumes the natural matters 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 get rid of the pest. For heavy attack, insecticides with components carbosulfan and carbofuran can be utilized to kill the bug.

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

Control: Insecticides are used to manage the bugs.

Grasshopper: This prevails pest discovered in several plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The bug typically 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 bug damages the Jatropha stem and it is extensively seen in Indonesia. The stem attacked by this insect usually drop. The existence can be identified by the 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 pest can consume all the leaves of the plant in other words 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 spinal columns and produces a burning feeling when allowed to exposure to skin as it produces particular chemical substance. Initially the insect crowded in the leaf and then spread out 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 insect is discovered mainly in tropical and subtropical areas. The bug targets the leaf and sucks 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 insect presence can be identified when the leaf become yellow-colored, shrinks, reddens and fall down. The insect can also be spread out through fallen leaves.

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

The hazardous enzyme in the plant diminishes the entire plant.

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

Tip borer caterpillar: The pests commonly happens attacks the plant in blooming season and this insect is seen extensively 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 ideas.

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