1 Pests Of Jatropha
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Jatropha Curcas is gaining value commercially as the demand of fossil fuels increases greatly and likewise jatropha curcas is an eco-friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel substitute and it is likewise very affordable compared to other fuels. Recently, jatropha curcas is dealing with some trouble with pests and diseases. The bugs are classified into 2 varieties: Pest that affect young plants and Pest that affect developed plants.

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

Agrotis ipsilon: It is frequently called Cut worm. This pest impacts the seedlings and young jatropha curcas plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface and this will shrunk the plant entirely.

Control: This pest can be by selecting the larva discovered around the plants or by mixing the bran, sawdust with insecticides.

Scarabaeid Beetle: This bug destroys the root of the young plant. Initially, the larva consumes the raw materials present in the soil and then pertains to the root. The larva attack may kill the whole plant.

Control: The plant with excellent resistance power can overcome the insect. For heavy attack, insecticides with components carbosulfan and carbofuran can be used to eliminate the pest.

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

Control: Insecticides are used to manage the pests.

Grasshopper: This prevails insect found in a number of plants. Valanga nigricornis and Locusta migratoria commonly attacks the plant. The insect frequently 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 pest damages the jatropha curcas stem and it is commonly seen in Indonesia. The stem assaulted by this pest generally fall down. The existence can be recognized by the larva penetration hole at the stem.

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

Pest of leaf: The common 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 brief duration. The quality and yield of the seeds get minimized due to the heavy attack.

Control: This can be controlled by choosing 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 feeling when enabled to call with skin as it produces particular chemical compound. Initially the bug crowded in the leaf and after that spread out all over the plant when it grows older.

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

Leaf Hopper: This bug is found mostly in tropical and subtropical regions. The pest targets the leaf and sucks 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 likewise assaults the leaf and makes the entire plant weak. The insect presence can be determined when the leaf ended up being yellowish, shrinks, turns red and drop. The bug can likewise be spread out 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 assaults 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 throughout bloom period so the crop yield completely falls down. This bug is seen around the tropical region.

The harmful enzyme in the plant diminishes the entire plant.

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

Tip borer caterpillar: The pests 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 ideas.

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