Jatropha Curcas is acquiring value commercially as the need of fossil fuels increases tremendously and likewise Jatropha is an environmentally friendly energy plantation. Plantation of this plant is thought about to be an exceptional fuel replacement and it is also really cost-effective compared to other fuels. Recently, jatropha curcas is facing some difficulty with pests and diseases. The pests are classified into 2 varieties: Pest that impact young plants and Pest that impact matured plants.
Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is frequently called Cut worm. This pest impacts the seedlings and young jatropha curcas plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface area and this will shrunk the plant totally.
Control: This pest can be managed by choosing the larva discovered around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This insect damages the root of the young plant. Initially, the larva takes in the natural matters present in the soil and then the root. The larva attack may kill the entire plant.
Control: The plant with great resistance power can get rid of the pest. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to kill the bug.
Army worm: Spodoptera litura existence can be recognized by biting in the leaves. The severe infection could entirely eliminate the plants.
Control: Insecticides are used to manage the pests.
Grasshopper: This is common bug discovered in numerous plants. Valanga nigricornis and Locusta migratoria widely attacks the plant. The insect often 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 insect damages the Jatropha stem and it is commonly seen in Indonesia. The stem assaulted by this pest normally fall down. The presence can be identified by the larva penetration hole at the stem.
Control: The Insecticide normally utilized to manage this insect is carbofuran.
Pest of leaf: The typical insects observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This pest can consume all the leaves of the plant simply put period. The quality and yield of the seeds get lowered due to the heavy attack.
Control: This can be controlled by choosing the old larvae around the surface area and getting rid of the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning sensation when permitted to call with skin as it produces certain chemical substance. Initially the bug crowded in the leaf and after that spread all over the plant when it grows older.
Control: Manually, the insect can be killed only by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.
Leaf Hopper: This bug is found primarily in tropical and subtropical regions. 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 pest presence can be recognized when the leaf ended up being yellowish, shrinks, turns red and fall down. The pest can also be spread out through fallen leaves.
Control: Some preventive steps can be done like correct sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some terrible insect which assaults flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a severe insect which attacks the plant throughout bloom duration so the crop yield completely falls down. This bug is seen around the tropical region.
The hazardous enzyme in the plant shrinks the entire plant.
Control: Insecticides recommended for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The insects frequently happens attacks the plant in flowering season and this bug 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 tips.
Control: Manually, the attacked seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
Monty Mcwhorter edited this page 7 days ago