Jatropha jatropha curcas is getting importance commercially as the demand of fossil fuels increases greatly and likewise jatropha curcas is an environment-friendly energy plantation. Plantation of this plant is considered to be an exceptional fuel substitute and it is likewise really cost-effective compared to other fuels. Recently, jatropha curcas is dealing with some difficulty with insects and illness. The insects are categorized into 2 varieties: Pest that affect young plants and Pest that impact grown plants.
Young plant bugs: 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 by the cutworm, the stem gets cut nearer to the soil surface area and this will shrunk the plant totally.
Control: This bug can be controlled by selecting the larva discovered around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This insect destroys the root of the young plant. Initially, the larva consumes the natural matters present in the soil and after that pertains to the root. The larva attack might eliminate the entire plant.
Control: The plant with great resistance power can conquer the insect. For heavy attack, insecticides with components carbosulfan and carbofuran can be utilized to eliminate the pest.
Army worm: Spodoptera litura presence can be determined by biting in the leaves. The extreme infection might totally eliminate the plants.
Control: Insecticides are utilized to manage the insects.
Grasshopper: This is common pest found in numerous plants. Valanga nigricornis and Locusta migratoria widely attacks the plant. The insect typically 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 damages the jatropha curcas stem and it is commonly seen in Indonesia. The stem assaulted by this insect generally drop. The presence can be identified by the larva penetration hole at the stem.
Control: The Insecticide generally utilized to manage this bug is carbofuran.
Pest of leaf: The common insects observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This bug can consume all the leaves of the plant simply put duration. The quality and yield of the seeds get lowered due to the heavy attack.
Control: This can be controlled by picking the old larvae around the surface and discarding the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning sensation when enabled to exposure to skin as it produces specific chemical compound. Initially the bug crowded in the leaf and after that spread all over the plant when it gets older.
Control: Manually, the pest 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 regions. The bug targets the leaf and draws 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, reddens and fall down. The pest can also be spread out through fallen leaves.
Control: Some preventive measures can be simulated proper sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some awful pest which attacks flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a severe bug which attacks the plant during bloom period so the crop yield totally drops. This bug is seen around the tropical area.
The hazardous 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 pests commonly occurs attacks the plant in blooming season and this insect 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 attacked seeds are suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
Antonietta Kaestner edited this page 1 week ago