Jatropha Curcas is getting significance commercially as the need of fossil fuels increases significantly and likewise jatropha curcas is an environment-friendly energy plantation. Plantation of this plant is considered to be an excellent fuel substitute and it is also very cost-effective compared to other fuels. Recently, jatropha curcas is facing some difficulty with bugs and diseases. The insects are classified into two varieties: Pest that impact young plants and Pest that affect developed plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is typically understood as 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 and this will shrunk the plant completely.
Control: This pest can be managed by picking the larva found around the plants or by mixing the bran, sawdust with insecticides.
Scarabaeid Beetle: This bug ruins the root of the young plant. Initially, the larva takes in the organic matters present in the soil and after that comes to the root. The larva attack may eliminate the whole plant.
Control: The plant with great resistance power can get rid of the insect. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to kill the pest.
Army worm: Spodoptera litura presence can be determined by biting in the leaves. The serious infection could entirely kill the plants.
Control: Insecticides are used to manage the bugs.
Grasshopper: This is typical bug discovered in a number of plants. Valanga nigricornis and Locusta migratoria commonly attacks the plant. The insect frequently 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 bug damages the jatropha curcas stem and it is commonly seen in Indonesia. The stem attacked by this insect usually fall down. The presence can be determined by the larva penetration hole at the stem.
Control: The Insecticide usually utilized 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 simply put period. 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 area and throwing away the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning feeling when enabled to call with skin as it produces certain chemical substance. Initially the bug 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 managed by spraying organophosphate .
Leaf Hopper: This bug is found mainly in tropical and subtropical areas. The insect targets the leaf and draws all the nutrients of the leaf and gets curls at the pointer. Later, the entire leaf dry and pass away.
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 bug existence can be determined when the leaf become yellow-colored, shrinks, turns red and drop. The insect can also be spread through fallen leaves.
Control: Some preventive measures can be done like correct sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some terrible insect which attacks flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a severe bug which assaults the plant throughout bloom duration so the crop yield totally drops. This pest is seen around the tropical region.
The toxic 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 bugs frequently takes place attacks the plant in blooming season and this pest 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 assaulted seeds are recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
Collin Wymark edited this page 1 week ago