Pests Of Jatropha

Jatropha Curcas is getting value commercially as the need of nonrenewable fuel sources increases tremendously and likewise Jatropha is an eco-friendly energy plantation. Plantation of this plant is considered to be an exceptional fuel replacement and it is also really economical compared to other fuels. Recently, jatropha curcas is facing some problem with insects and illness. The pests are categorized into two varieties: Pest that impact young plants and Pest that affect grown plants.

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

Agrotis ipsilon: It is commonly referred to as Cut worm. This bug affects the seedlings and young jatropha curcas plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface and this will diminished the plant totally.

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

Scarabaeid Beetle: This insect damages the root of the young plant. Initially, the larva consumes the raw materials present in the soil and after that concerns the root. The larva attack may eliminate the entire plant.

Control: The plant with great resistance power can overcome the insect. For heavy attack, insecticides with parts carbosulfan and carbofuran can be used to eliminate the pest.

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

Control: Insecticides are used to control the bugs.

Grasshopper: This prevails bug discovered in numerous plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The insect often assaults 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 insect damages the jatropha curcas stem and it is widely seen in Indonesia. The stem attacked by this pest generally drop. The presence can be recognized by the larva penetration hole at the stem.

Control: The Insecticide generally used to manage this insect is carbofuran.

Pest of leaf: The common 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 short 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 area and discarding the attacked leaves.

Needle Caterpillar: This caterpillar is covered with spines and produces a burning feeling when enabled to exposure to skin as it produces specific chemical compound. Initially the insect crowded in the leaf and after that spread out all over the plant when it ages.

Control: Manually, the bug 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 discovered mainly 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 die.

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

Mite: Mite likewise assaults the leaf and makes the whole plant weak. The pest existence can be identified when the leaf become yellowish, diminishes, turns red and drop. The pest can also 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 awful bug which attacks flower and fruit are, Stink bug (Nezara viridula)

Chrysocoris javanus, Tip .

Stink Bug: Sting bug is a severe bug which attacks the plant throughout blossom period so the crop yield entirely drops. This bug is seen around the tropical area.

The harmful enzyme in the plant diminishes the entire plant.

Control: Insecticides advised for this bug is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.

Tip borer caterpillar: The insects commonly takes place attacks the plant in flowering season and this bug 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 ideas.

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