1 Pests Of Jatropha
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Jatropha jatropha curcas is acquiring value commercially as the demand of nonrenewable fuel sources increases greatly and also jatropha curcas is an environmentally friendly energy plantation. Plantation of this plant is thought about to be an exceptional fuel replacement and it is likewise extremely affordable compared to other fuels. Recently, Jatropha is facing some trouble with bugs and illness. The bugs are categorized into two ranges: Pest that affect young plants and Pest that affect grown plants.

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

Agrotis ipsilon: It is commonly known as Cut worm. This bug impacts the seedlings and young jatropha curcas plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface area and this will diminished the plant completely.

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

Scarabaeid Beetle: This insect damages the root of the young plant. Initially, the larva consumes the raw materials present in the soil and after that pertains to the root. The larva attack may kill the entire plant.

Control: The plant with great resistance power can get rid of the pest. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to eliminate the bug.

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

Control: Insecticides are used to manage the bugs.

Grasshopper: This is common pest discovered in a number of plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The bug often 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 stem and it is widely seen in Indonesia. The stem assaulted by this pest typically drop. The existence can be determined by the larva penetration hole at the stem.

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

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

Control: This can be controlled by picking the old larvae around the surface and throwing away the assaulted leaves.

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

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

Leaf Hopper: This pest is discovered primarily in tropical and subtropical areas. The pest targets the leaf and draws all the nutrients of the leaf and gets curls at the idea. Later, the entire leaf dry and die.

Control: The heavy attack can be managed by using insecticides like imidachloprid, beta or carbosulfan.

Mite: Mite likewise assaults the leaf and makes the entire plant weak. The pest presence can be identified when the leaf ended up being yellow-colored, shrinks, turns red and drop. The bug can likewise be spread out through fallen leaves.

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

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

Chrysocoris javanus, Tip borer caterpillar.

Stink Bug: Sting bug is a serious bug which attacks the plant throughout bloom period so the crop yield totally falls down. This insect is seen around the tropical area.

The harmful enzyme in the plant diminishes the whole plant.

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

Tip borer caterpillar: The bugs frequently takes place attacks the plant in flowering season and this bug is seen widely 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 suggestions.

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