Jatropha Curcas is acquiring significance commercially as the demand of fossil fuels increases tremendously and likewise Jatropha is an environment-friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel substitute and it is also very affordable compared to other fuels. Recently, Jatropha is facing some problem with pests and diseases. The pests are classified into two ranges: Pest that impact young plants and Pest that affect matured plants.
Young plant insects: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is commonly called 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 diminished the plant entirely.
Control: This pest can be controlled by selecting the larva found around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This insect ruins 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 may eliminate the entire plant.
Control: The plant with excellent resistance power can conquer the insect. For heavy attack, insecticides with components carbosulfan and carbofuran can be used to eliminate the insect.
Army worm: Spodoptera litura existence can be identified by biting in the leaves. The severe infection might totally eliminate the plants.
Control: Insecticides are utilized to control the insects.
Grasshopper: This prevails bug found in a number of plants. Valanga nigricornis and Locusta migratoria widely attacks the plant. The bug typically assaults 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 pest damages the jatropha curcas stem and it is commonly seen in Indonesia. The stem attacked by this bug usually fall down. The presence can be identified by the larva penetration hole at the stem.
Control: The Insecticide usually used to control 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 insect can eat all the leaves of the plant in other words duration. The quality and yield of the seeds get reduced due to the heavy attack.
Control: This can be controlled by choosing the old larvae around the surface and tossing away the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning sensation when permitted to call with skin as it produces specific chemical substance. Initially the pest crowded in the leaf and then spread all over the plant when it ages.
Control: Manually, the pest can be eliminated only 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 insect targets the leaf and draws all the nutrients of the leaf and gets curls at the suggestion. 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 likewise assaults the leaf and makes the entire plant weak. The insect presence can be recognized when the leaf ended up being yellowish, shrinks, reddens and drop. The bug can also be spread out through .
Control: Some preventive steps can be done like correct sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some awful insect which attacks 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 throughout blossom period so the crop yield entirely drops. This bug is seen around the tropical area.
The poisonous enzyme in the plant shrinks the entire plant.
Control: Insecticides suggested for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The insects typically takes place attacks the plant in blooming season and this pest is seen extensively in tropical areas. The female insect laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant ideas.
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
Ross Cockett edited this page 2025-01-12 12:38:14 +01:00