Pests Of Jatropha

Jatropha Curcas is getting significance commercially as the need of fossil fuels increases enormously and likewise Jatropha is an eco-friendly energy plantation. Plantation of this plant is considered to be an outstanding fuel replacement and it is also really affordable compared to other fuels. Recently, Jatropha is facing some trouble with bugs and illness. The bugs are classified into 2 ranges: Pest that impact young plants and Pest that impact matured plants.

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

Agrotis ipsilon: It is commonly understood as Cut worm. This bug 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 diminished the plant completely.

Control: This bug can be managed by choosing the larva discovered 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 takes in the organic matters present in the soil and after that pertains to the root. The larva attack may eliminate the entire plant.

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

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

Control: Insecticides are utilized to manage the pests.

Grasshopper: This prevails insect discovered in numerous plants. Valanga nigricornis and migratoria widely attacks the plant. The bug typically attacks 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 harms the Jatropha stem and it is commonly seen in Indonesia. The stem attacked by this pest normally drop. The existence can be identified by the larva penetration hole at the stem.

Control: The Insecticide usually 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 duration. The quality and yield of the seeds get minimized due to the heavy attack.

Control: This can be managed by selecting the old larvae around the surface and getting rid of the assaulted leaves.

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

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 pest is found mainly in tropical and subtropical regions. 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 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 determined when the leaf become yellowish, shrinks, turns red and fall down. The insect can also be spread out through fallen leaves.

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

Some terrible pest which assaults flower and fruit are, Stink bug (Nezara viridula)

Chrysocoris javanus, Tip borer caterpillar.

Stink Bug: Sting bug is a severe insect which assaults the plant during bloom duration so the crop yield entirely drops. This pest is seen around the tropical area.

The harmful enzyme in the plant shrinks the entire plant.

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

Tip borer caterpillar: The pests commonly occurs attacks the plant in flowering season and this insect is seen commonly 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 tips.

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