Pests Of Jatropha

Jatropha Curcas is gaining value commercially as the demand of nonrenewable fuel sources increases significantly and likewise Jatropha is an environmentally friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel alternative and it is likewise really affordable compared to other fuels. Recently, Jatropha is dealing with some difficulty with pests and diseases. The pests are classified into two ranges: Pest that affect young plants and Pest that affect matured plants.


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


Agrotis ipsilon: It is frequently called Cut worm. This bug affects the seedlings and young Jatropha 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 entirely.


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


Scarabaeid Beetle: This insect ruins the root of the young plant. Initially, the larva takes in the organic matters present in the soil and after that comes to the root. The larva attack might eliminate 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 eliminate the insect.


Army worm: Spodoptera litura presence can be determined by biting in the leaves. The severe infection might completely kill the plants.


Control: Insecticides are used to control the insects.


Grasshopper: This prevails insect discovered in several plants. Valanga nigricornis and Locusta migratoria commonly assaults the plant. The pest 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 bug harms the Jatropha stem and it is widely seen in Indonesia. The stem attacked by this insect usually drop. The presence can be recognized by the larva penetration hole at the stem.


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


Pest of leaf: The common bugs 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 picking the old larvae around the surface and discarding the assaulted leaves.


Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning sensation when enabled to call with skin as it produces certain chemical compound. Initially the insect crowded in the leaf and then spread out all over the plant when it gets older.


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


Leaf Hopper: This insect is discovered mostly in tropical and subtropical areas. The pest targets the leaf and draws 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 managed by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.


Mite: Mite also attacks the leaf and makes the entire plant weak. The bug presence can be identified when the leaf become yellowish, shrinks, turns red and drop. The bug can also be spread out through fallen leaves.


Control: Some preventive procedures can be simulated appropriate sanitation and burning the fallen leaves. Heavy attack can be dealt with 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 serious bug which assaults the plant throughout blossom duration so the crop yield totally drops. This bug is seen around the tropical region.


The hazardous enzyme in the plant diminishes the entire plant.


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


Tip borer caterpillar: The insects typically takes place attacks the plant in flowering season and this bug is seen widely in tropical areas. The female pest 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.