Pests Of Jatropha

Jatropha Curcas is acquiring value commercially as the need of nonrenewable fuel sources increases significantly and likewise Jatropha is an environmentally friendly energy plantation. Plantation of this plant is considered to be an substitute and it is also very affordable compared to other fuels. Recently, jatropha curcas is facing some problem with bugs and illness. The bugs are categorized into 2 ranges: Pest that impact young plants and Pest that affect grown plants.

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

Agrotis ipsilon: It is commonly understood as Cut worm. This pest 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 area and this will diminished the plant completely.

Control: This insect can be managed by picking the larva found around the plants or by mixing the bran, sawdust with insecticides.

Scarabaeid Beetle: This pest ruins the root of the young plant. Initially, the larva consumes the raw materials present in the soil and then concerns the root. The larva attack may kill the whole plant.

Control: The plant with great resistance power can conquer the bug. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to kill the bug.

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

Control: Insecticides are used to manage the pests.

Grasshopper: This prevails insect discovered in a number of plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The insect 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 insect harms the jatropha curcas stem and it is commonly seen in Indonesia. The stem assaulted by this insect usually drop. The presence can be identified by the larva penetration hole at the stem.

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

Pest of leaf: The typical pests 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 duration. The quality and yield of the seeds get decreased due to the heavy attack.

Control: This can be managed 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 enabled to call with skin as it produces specific chemical substance. Initially the insect crowded in the leaf and after that spread all over the plant when it ages.

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 insect is discovered 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 die.

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

Mite: Mite also attacks the leaf and makes the whole plant weak. The bug presence can be recognized when the leaf become yellow-colored, diminishes, turns red and fall down. The bug can likewise be spread through fallen leaves.

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

Some awful insect which attacks flower and fruit are, Stink bug (Nezara viridula)

Chrysocoris javanus, Tip borer caterpillar.

Stink Bug: Sting bug is a major pest which assaults the plant during bloom duration so the crop yield completely drops. This pest is seen around the tropical region.

The toxic 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 insects frequently happens attacks the plant in blooming season and this bug is seen commonly in tropical regions. 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 recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.