Pests Of Jatropha

Jatropha Curcas is getting significance commercially as the demand of nonrenewable fuel sources increases significantly and likewise Jatropha is an eco-friendly energy plantation. Plantation of this plant is thought about to be an excellent fuel alternative and it is also really affordable compared to other fuels. Recently, Jatropha is dealing with some trouble with bugs and diseases. The pests 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 commonly understood as Cut worm. This pest impacts the seedlings and young Jatropha plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface and this will shrunk the plant totally.

Control: This bug can be managed by choosing the larva found around the plants or by mixing the bran, sawdust with .

Scarabaeid Beetle: This insect destroys 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 may eliminate the entire plant.

Control: The plant with great resistance power can get rid of the insect. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to kill the pest.

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

Control: Insecticides are utilized to manage the insects.

Grasshopper: This is typical pest discovered in several plants. Valanga nigricornis and Locusta migratoria widely attacks the plant. The bug typically 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 bug damages the jatropha curcas stem and it is widely seen in Indonesia. The stem attacked by this pest normally 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 common bugs observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.

Leaf Caterpillar: This bug can consume all the leaves of the plant in brief period. The quality and yield of the seeds get lowered due to the heavy attack.

Control: This can be managed by picking the old larvae around the surface and tossing away the assaulted leaves.

Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning feeling when allowed to call with skin as it produces particular chemical compound. Initially the insect crowded in the leaf and after that spread out 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 pest is found mainly in tropical and subtropical regions. The insect targets the leaf and sucks all the nutrients of the leaf and gets curls at the suggestion. Later, the whole 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 whole plant weak. The pest existence can be recognized when the leaf ended up being yellowish, shrinks, turns red and drop. The pest can likewise be spread through fallen leaves.

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

Some dreadful 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 bloom duration so the crop yield entirely falls down. This bug is seen around the tropical area.

The hazardous enzyme in the plant shrinks the entire plant.

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

Tip borer caterpillar: The pests commonly takes place attacks the plant in flowering season and this pest is seen widely 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 pointers.

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