Jatropha Curcas is getting value commercially as the need of nonrenewable fuel sources increases greatly and also Jatropha is an eco-friendly energy plantation. Plantation of this plant is thought about to be an excellent fuel replacement and it is likewise really cost-effective compared to other fuels. Recently, Jatropha is facing some problem with pests and illness. The insects are categorized into two varieties: Pest that impact young plants and Pest that impact grown plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is frequently referred to as Cut worm. This insect impacts the seedlings and young Jatropha plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface and this will diminished the plant entirely.
Control: This bug can be controlled by selecting the larva found around the plants or by mixing the bran, sawdust with insecticides.
Beetle: This pest destroys the root of the young plant. Initially, the larva consumes the natural matters present in the soil and after that comes to the root. The larva attack may eliminate the whole plant.
Control: The plant with excellent resistance power can overcome the bug. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to eliminate the pest.
Army worm: Spodoptera litura existence can be determined by biting in the leaves. The severe infection could entirely kill the plants.
Control: Insecticides are utilized to control the bugs.
Grasshopper: This prevails insect discovered in several plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The bug frequently attacks 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 pest harms the jatropha curcas stem and it is commonly seen in Indonesia. The stem attacked by this bug usually 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 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 brief duration. The quality and yield of the seeds get decreased due to the heavy attack.
Control: This can be managed by choosing the old larvae around the surface and getting rid of the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning sensation when enabled to call with skin as it produces particular chemical compound. 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 killed just 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 insect targets the leaf and sucks all the nutrients of the leaf and gets curls at the tip. 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 also assaults the leaf and makes the entire plant weak. The bug presence can be recognized when the leaf ended up being yellow-colored, diminishes, turns red and fall down. The pest can also be spread through fallen leaves.
Control: Some preventive procedures can be simulated 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 severe pest which attacks the plant during bloom duration so the crop yield entirely drops. This insect is seen around the tropical region.
The harmful enzyme in the plant diminishes the entire plant.
Control: Insecticides suggested for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The insects frequently takes place attacks the plant in flowering season and this bug is seen widely in tropical regions. The female insect laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant suggestions.
Control: Manually, the attacked seeds are suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.
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Pests Of Jatropha
Ericka Provost edited this page 2025-01-12 07:35:11 +01:00