Pests Of Jatropha

Jatropha Curcas is gaining value commercially as the need of fossil fuels increases tremendously and also Jatropha is an environment-friendly energy plantation. Plantation of this plant is thought about to be an exceptional fuel alternative and it is likewise really affordable compared to other fuels. Recently, Jatropha is dealing with some trouble with bugs and illness. The bugs are categorized into 2 ranges: Pest that impact young plants and Pest that affect matured plants.

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

Agrotis ipsilon: It is typically referred to as Cut worm. This bug impacts the seedlings and young Jatropha plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface and this will diminished the plant totally.

Control: This insect can be managed by choosing the larva discovered around the plants or by mixing the bran, with insecticides.

Scarabaeid Beetle: This pest destroys the root of the young plant. Initially, the larva takes in the raw materials present in the soil and after that comes to the root. The larva attack may kill the entire plant.

Control: The plant with great resistance power can overcome the bug. For heavy attack, insecticides with components carbosulfan and carbofuran can be utilized to kill the bug.

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

Control: Insecticides are used to control the insects.

Grasshopper: This is common pest found in a number of plants. Valanga nigricornis and Locusta migratoria commonly attacks the plant. The bug frequently attacks the young plant.

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

Pest observed in mature plants:

Pest of Stem: Ostrinia furnacalis, Xyleborus spp.

Ostrinia furnacalis and Xyleborus: This insect harms the Jatropha stem and it is extensively seen in Indonesia. The stem assaulted by this insect usually fall down. The presence can be determined by the larva penetration hole at the stem.

Control: The Insecticide usually used to control this bug is carbofuran.

Pest of leaf: The typical insects 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 short duration. The quality and yield of the seeds get lowered due to the heavy attack.

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

Needle Caterpillar: This caterpillar is covered with spines and produces a burning feeling when permitted to call with skin as it produces specific chemical substance. Initially the pest crowded in the leaf and after that spread out all over the plant when it grows older.

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

Leaf Hopper: This bug is discovered mostly in tropical and subtropical areas. The insect targets the leaf and sucks all the nutrients of the leaf and gets curls at the idea. 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 likewise attacks the leaf and makes the entire plant weak. The bug presence can be identified when the leaf become yellowish, shrinks, reddens and fall down. The insect can likewise be spread out through fallen leaves.

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

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

Chrysocoris javanus, Tip borer caterpillar.

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

The harmful enzyme in the plant shrinks the whole plant.

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

Tip borer caterpillar: The bugs typically occurs attacks the plant in blooming season and this pest is seen extensively 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 pointers.

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