Pests Of Jatropha

Jatropha Curcas is getting significance commercially as the demand of fossil fuels increases enormously and likewise Jatropha is an eco-friendly energy plantation. Plantation of this plant is thought about to be an excellent fuel substitute and it is also really affordable compared to other fuels. Recently, Jatropha is facing some difficulty with bugs and illness. The bugs are categorized into 2 ranges: Pest that affect young plants and Pest that affect grown plants.

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

Agrotis ipsilon: It is commonly called 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 completely.

Control: This pest can be by selecting 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 takes in the raw materials present in the soil and then pertains to 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 elements carbosulfan and carbofuran can be utilized to eliminate the pest.

Army worm: Spodoptera litura presence can be determined by biting in the leaves. The serious infection could completely eliminate the plants.

Control: Insecticides are utilized to control the insects.

Grasshopper: This prevails bug found in numerous plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The bug often assaults the young plant.

Control: The insecticides used betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.

Pest observed in fully grown plants:

Pest of Stem: Ostrinia furnacalis, Xyleborus spp.

Ostrinia furnacalis and Xyleborus: This insect damages the Jatropha stem and it is widely seen in Indonesia. The stem attacked by this insect generally drop. The presence can be identified by the larva penetration hole at the stem.

Control: The Insecticide generally utilized to control this bug is carbofuran.

Pest of leaf: The typical pests 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 other words period. The quality and yield of the seeds get lowered due to the heavy attack.

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

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

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

Leaf Hopper: This insect is found primarily in tropical and subtropical areas. The pest targets the leaf and draws all the nutrients of the leaf and gets curls at the pointer. 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 also assaults the leaf and makes the entire plant weak. The insect existence can be determined when the leaf become yellow-colored, diminishes, turns red and drop. The bug can likewise be spread through fallen leaves.

Control: Some preventive procedures can be done like appropriate sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.

Some terrible pest 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 throughout bloom period so the crop yield completely falls down. This insect is seen around the tropical area.

The toxic enzyme in the plant shrinks the entire plant.

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

Tip borer caterpillar: The insects frequently takes place attacks the plant in blooming season and this pest is seen commonly in tropical regions. The female insect laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant suggestions.

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