Pests Of Jatropha

Jatropha Curcas is gaining significance commercially as the demand of nonrenewable fuel sources increases enormously and also Jatropha is an eco-friendly energy plantation. Plantation of this plant is considered to be an outstanding fuel alternative and it is likewise really economical compared to other fuels. Recently, Jatropha is facing some difficulty with bugs and illness. The insects are classified into 2 ranges: Pest that affect young plants and Pest that affect grown plants.

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

Agrotis ipsilon: It is typically called Cut worm. This bug affects the seedlings and young Jatropha plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface area and this will shrunk the plant completely.

Control: This pest can be controlled by selecting the larva found 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 raw materials present in the soil and then concerns the root. The larva attack might eliminate the entire plant.

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

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

Control: Insecticides are utilized to manage the .

Grasshopper: This prevails insect found in a number of plants. Valanga nigricornis and Locusta migratoria extensively attacks the plant. The insect typically 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 bug damages the Jatropha stem and it is extensively seen in Indonesia. The stem assaulted by this insect typically drop. The existence can be determined by the larva penetration hole at the stem.

Control: The Insecticide typically used to control this pest is carbofuran.

Pest of leaf: The typical bugs observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.

Leaf Caterpillar: This pest can eat all the leaves of the plant simply put period. The quality and yield of the seeds get lowered due to the heavy attack.

Control: This can be controlled by picking the old larvae around the surface and getting rid of the attacked leaves.

Needle Caterpillar: This caterpillar is covered with spines and produces a burning experience when permitted to call with skin as it produces specific chemical substance. Initially the bug crowded in the leaf and then spread all over the plant when it gets older.

Control: Manually, the bug can be eliminated 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 areas. The insect targets the leaf and sucks all the nutrients of the leaf and gets curls at the tip. 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 attacks the leaf and makes the whole plant weak. The pest existence can be recognized when the leaf ended up being yellowish, diminishes, turns red and drop. The insect can also be spread through fallen leaves.

Control: Some preventive steps can be simulated proper 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 major bug which attacks the plant during blossom period so the crop yield totally falls down. This bug is seen around the tropical region.

The hazardous enzyme in the plant diminishes the entire plant.

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

Tip borer caterpillar: The bugs typically happens attacks the plant in flowering season and this insect is seen commonly in tropical areas. 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 assaulted seeds are recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.