Jatropha Curcas is getting importance commercially as the demand of fossil fuels increases tremendously and also Jatropha is an environmentally friendly energy plantation. Plantation of this plant is thought about to be an excellent fuel replacement and it is likewise really economical compared to other fuels. Recently, jatropha curcas is dealing with some difficulty with bugs and diseases. The bugs are classified into two 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 commonly called Cut worm. This pest affects 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 shrunk the plant totally.
Control: This pest can be controlled by picking the larva discovered around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This bug ruins the root of the young plant. Initially, the larva consumes the organic matters present in the soil and after that concerns the root. The larva attack may eliminate the entire plant.
Control: The plant with good resistance power can get rid of the pest. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to eliminate the bug.
Army worm: Spodoptera litura presence can be determined by biting in the leaves. The extreme infection could totally eliminate the plants.
Control: Insecticides are utilized to control the bugs.
Grasshopper: This prevails insect discovered in numerous plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The bug often assaults the young plant.
Control: The insecticides used 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 curcas stem and it is extensively seen in Indonesia. The stem assaulted by this pest generally drop. The presence can be recognized by the larva penetration hole at the stem.
Control: The Insecticide generally utilized to manage this bug 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 simply put period. The quality and yield of the seeds get reduced due to the heavy attack.
Control: This can be managed by selecting the old larvae around the surface and getting rid of the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning feeling when allowed to exposure to 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 pest can be killed just by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.
Leaf Hopper: This pest is discovered mainly in tropical and subtropical areas. The bug targets the leaf and sucks 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 controlled by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite likewise assaults the leaf and makes the entire plant weak. The pest existence can be when the leaf ended up being yellowish, diminishes, turns red and drop. The bug can likewise be spread out through fallen leaves.
Control: Some preventive steps can be simulated proper sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some terrible bug which assaults flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a severe pest which attacks the plant during bloom period so the crop yield totally drops. This pest is seen around the tropical region.
The poisonous enzyme in the plant shrinks the entire plant.
Control: Insecticides advised for this bug is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The bugs typically occurs attacks the plant in flowering season and this insect 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 suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.
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Pests Of Jatropha
Virginia Colebe edited this page 2025-01-13 12:26:32 -05:00