Jatropha Curcas is getting significance commercially as the need of fossil fuels increases enormously and likewise jatropha curcas is an environmentally friendly energy plantation. Plantation of this plant is considered to be an substitute and it is likewise really economical compared to other fuels. Recently, jatropha curcas is facing some difficulty with pests and illness. The pests are classified into two ranges: Pest that affect young plants and Pest that affect matured plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is typically referred to as Cut worm. This pest affects the seedlings and young Jatropha plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface and this will diminished the plant entirely.
Control: This pest can be managed by selecting the larva found around the plants or by mixing the bran, sawdust with insecticides.
Scarabaeid Beetle: This insect ruins 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 might kill the whole plant.
Control: The plant with great resistance power can overcome the bug. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to eliminate the bug.
Army worm: Spodoptera litura presence can be determined 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 several plants. Valanga nigricornis and Locusta migratoria commonly attacks the plant. The insect frequently 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 insect damages the Jatropha stem and it is commonly seen in Indonesia. The stem assaulted by this insect usually fall down. The existence can be recognized by the larva penetration hole at the stem.
Control: The Insecticide usually utilized to control this bug is carbofuran.
Pest of leaf: The typical bugs 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 other words period. The quality and yield of the seeds get decreased due to the heavy attack.
Control: This can be controlled by picking the old larvae around the surface area and throwing away the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning feeling when permitted to exposure to skin as it produces specific chemical substance. Initially the insect crowded in the leaf and then spread out all over the plant when it gets older.
Control: Manually, the insect can be eliminated just by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.
Leaf Hopper: This pest is found mainly in tropical and subtropical areas. The pest targets the leaf and sucks all the nutrients of the leaf and gets curls at the suggestion. Later, the whole leaf dry and pass away.
Control: The heavy attack can be controlled by using insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite likewise assaults the leaf and makes the entire plant weak. The bug presence can be recognized when the leaf become yellowish, shrinks, turns red and drop. The pest can likewise be spread through fallen leaves.
Control: Some preventive measures can be done like appropriate sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some terrible bug which assaults flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a serious bug which assaults the plant throughout blossom duration so the crop yield entirely drops. This pest is seen around the tropical region.
The poisonous enzyme in the plant shrinks the entire plant.
Control: Insecticides advised for this bug 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 commonly 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 pointers.
Control: Manually, the assaulted seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.
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Pests Of Jatropha
Darren Helvey edited this page 1 week ago