Jatropha Curcas is getting value commercially as the need of fossil fuels increases tremendously and likewise jatropha curcas is an eco-friendly energy plantation. Plantation of this plant is thought about to be an excellent fuel substitute and it is likewise very affordable compared to other fuels. Recently, jatropha curcas is dealing with some difficulty with bugs and illness. The bugs are classified into 2 ranges: Pest that affect young plants and Pest that affect developed plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is commonly known as Cut worm. This insect affects the seedlings and young jatropha curcas plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface and this will shrunk the plant completely.
Control: This pest can be controlled by selecting the larva found around the plants or by mixing the bran, sawdust with insecticides.
Scarabaeid Beetle: This pest ruins the root of the young plant. Initially, the larva consumes the raw materials present in the soil and after that comes to the root. The larva attack may eliminate the entire plant.
Control: The plant with good resistance power can conquer the insect. For heavy attack, insecticides with parts carbosulfan and carbofuran can be used to eliminate the bug.
Army worm: Spodoptera litura presence can be identified by biting in the leaves. The serious infection might completely eliminate the plants.
Control: Insecticides are used to control the pests.
Grasshopper: This prevails bug found in a number of plants. Valanga nigricornis and Locusta migratoria widely attacks the plant. The insect typically attacks 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 assaulted by this pest typically drop. The existence 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 insect can consume all the leaves of the plant in brief period. The quality and yield of the seeds get minimized due to the heavy attack.
Control: This can be controlled by choosing the old larvae around the surface area and discarding the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a when enabled to exposure to skin as it produces particular chemical substance. Initially the pest crowded in the leaf and after that spread out all over the plant when it ages.
Control: Manually, the insect can be killed just by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.
Leaf Hopper: This pest is found primarily in tropical and subtropical regions. The pest targets the leaf and sucks all the nutrients of the leaf and gets curls at the idea. Later, the entire leaf dry and pass away.
Control: The heavy attack can be controlled 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 determined when the leaf ended up being yellow-colored, shrinks, turns red and fall down. The bug can also be spread out through fallen leaves.
Control: Some preventive procedures can be done like proper sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some terrible pest which attacks flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a serious pest which attacks the plant throughout bloom duration so the crop yield entirely falls down. This pest 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 bugs commonly occurs attacks the plant in blooming season and this pest is seen commonly in tropical areas. The female pest 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 recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
elvahaviland94 edited this page 2025-01-12 10:22:23 +08:00