Jatropha jatropha curcas is getting importance commercially as the need of nonrenewable fuel sources increases tremendously and also Jatropha is an eco-friendly energy plantation. Plantation of this plant is thought about to be an exceptional fuel replacement and it is also really economical compared to other fuels. Recently, jatropha curcas is facing some difficulty with pests and illness. The bugs are categorized into two ranges: Pest that affect young plants and Pest that impact matured plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is frequently understood as Cut worm. This pest affects the seedlings and young Jatropha 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 completely.
Control: This pest can be controlled by selecting the larva found 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 takes in the organic matters present in the soil and then comes to the root. The larva attack may eliminate the entire plant.
Control: The plant with excellent resistance power can conquer the pest. For heavy attack, insecticides with components carbosulfan and carbofuran can be utilized to eliminate the insect.
Army worm: Spodoptera litura existence can be identified by biting in the leaves. The serious infection might totally kill the plants.
Control: Insecticides are utilized to manage the pests.
Grasshopper: This is common insect discovered in numerous plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The insect often attacks the young plant.
Control: The insecticides utilized betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.
Pest observed in mature 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 fall down. The existence can be identified by the larva penetration hole at the stem.
Control: The Insecticide typically utilized to manage this insect is carbofuran.
Pest of leaf: The typical pests observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This pest can eat all the leaves of the plant in short duration. 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 area and getting rid of the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning sensation when allowed to call with skin as it produces specific chemical compound. Initially the pest crowded in the leaf and then spread all over the plant when it grows older.
Control: Manually, the insect can be eliminated just by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This bug is discovered mostly in tropical and subtropical areas. The insect targets the leaf and draws all the nutrients of the leaf and gets curls at the pointer. Later, the whole leaf dry and pass away.
Control: The heavy attack can be managed by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also 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 pest can likewise be spread through fallen leaves.
Control: Some preventive procedures can be done like correct sanitation and burning the fallen leaves. Heavy attack can be dealt with 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 which assaults the plant during bloom period so the crop yield totally falls down. This insect is seen around the tropical region.
The toxic enzyme in the plant shrinks the entire plant.
Control: Insecticides suggested for this bug is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The insects frequently happens attacks the plant in flowering season and this pest 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 pointers.
Control: Manually, the assaulted seeds are recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
Renate Romilly edited this page 2025-01-12 13:51:13 +09:00