Jatropha Curcas is getting value commercially as the need of nonrenewable fuel sources increases tremendously and likewise jatropha curcas is an environmentally friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel alternative and it is also extremely cost-effective compared to other fuels. Recently, Jatropha is facing some trouble with insects and illness. The insects are classified into 2 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 frequently called Cut worm. This bug 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 diminished the plant completely.
Control: This bug can be controlled by selecting the larva discovered around the plants or by mixing the bran, sawdust with insecticides.
Scarabaeid Beetle: This bug damages the root of the young plant. Initially, the larva consumes the natural matters present in the soil and then comes to the root. The larva attack may eliminate the entire plant.
Control: The plant with excellent resistance power can get rid of the pest. For heavy attack, insecticides with elements carbosulfan and carbofuran can be utilized to kill the pest.
Army worm: Spodoptera litura presence can be identified by biting in the leaves. The serious infection might totally eliminate the plants.
Control: Insecticides are used to control the pests.
Grasshopper: This prevails insect discovered in a number of plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The bug frequently attacks the young plant.
Control: The insecticides utilized 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 harms the jatropha curcas stem and it is extensively seen in Indonesia. The stem attacked by this insect generally drop. The existence can be recognized by the larva penetration hole at the stem.
Control: The Insecticide usually utilized to control this insect is carbofuran.
Pest of leaf: The observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This bug can consume all the leaves of the plant in other words duration. The quality and yield of the seeds get lowered due to the heavy attack.
Control: This can be controlled by selecting the old larvae around the surface area and discarding the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning experience when allowed to contact with skin as it produces particular chemical substance. Initially the bug crowded in the leaf and then spread out all over the plant when it ages.
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 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 idea. 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 also attacks the leaf and makes the entire plant weak. The bug presence can be identified when the leaf ended up being yellow-colored, diminishes, reddens and drop. The pest can likewise be spread out through fallen leaves.
Control: Some preventive steps 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 severe pest which assaults the plant throughout blossom period so the crop yield totally falls down. This insect is seen around the tropical area.
The hazardous enzyme in the plant shrinks the whole plant.
Control: Insecticides recommended for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The insects commonly occurs attacks the plant in flowering season and this insect 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 recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
Demetria Spahn edited this page 18 minutes ago