Jatropha Curcas is acquiring importance commercially as the need of nonrenewable fuel sources increases tremendously and likewise jatropha curcas is an environment-friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel replacement and it is also really economical compared to other fuels. Recently, Jatropha is dealing with some trouble with insects and diseases. The bugs are categorized into two varieties: Pest that impact 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 insect 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 diminished the plant totally.
Control: This insect can be managed by selecting the larva discovered around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This pest damages the root of the young plant. Initially, the larva takes in the raw materials present in the soil and after that concerns the root. The larva attack may eliminate the whole plant.
Control: The plant with excellent resistance power can get rid of the pest. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to kill the bug.
Army worm: Spodoptera litura existence can be recognized by biting in the leaves. The serious infection could totally eliminate the plants.
Control: Insecticides are utilized to control the insects.
Grasshopper: This is typical insect found in numerous plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The pest frequently 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 bug harms the Jatropha stem and it is extensively seen in Indonesia. The stem attacked by this insect generally fall down. The existence can be identified by the larva penetration hole at the stem.
Control: The Insecticide normally used 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 lowered due to the heavy attack.
Control: This can be managed by picking the old larvae around the surface and tossing away the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning experience when permitted to exposure to skin as it produces specific chemical substance. Initially the insect crowded in the leaf and after that spread all over the plant when it ages.
Control: Manually, the insect can be killed just by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.
Leaf Hopper: This bug is found mainly in tropical and subtropical areas. The pest targets the leaf and draws all the nutrients of the leaf and gets curls at the tip. 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 likewise attacks the leaf and makes the whole plant weak. The pest existence can be when the leaf ended up being yellowish, shrinks, turns red and drop. The insect can likewise be spread through fallen leaves.
Control: Some preventive steps can be done like appropriate sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some terrible pest which attacks flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a serious pest which attacks the plant during bloom duration so the crop yield entirely drops. This insect is seen around the tropical region.
The poisonous enzyme in the plant shrinks the whole plant.
Control: Insecticides suggested for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The insects commonly happens attacks the plant in blooming season and this pest is seen commonly in tropical regions. The female pest 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 advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
Chester Conrick edited this page 4 months ago