Jatropha Curcas is gaining significance commercially as the need of nonrenewable fuel sources increases enormously and likewise jatropha curcas is an eco-friendly energy plantation. Plantation of this plant is thought about to be an exceptional fuel replacement and it is also really economical compared to other fuels. Recently, Jatropha is facing some problem with pests and diseases. The insects are classified into two varieties: Pest that affect young plants and Pest that affect matured plants.
Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is frequently understood as Cut worm. This bug impacts the seedlings and young jatropha curcas plants. If the plant is affected 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 choosing the larva found around the plants or by mixing the bran, sawdust with insecticides.
Scarabaeid Beetle: This pest damages the root of the young plant. Initially, the larva consumes the organic matters present in the soil and then comes to the root. The larva attack may eliminate the entire plant.
Control: The plant with good resistance power can get rid of the insect. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to kill the bug.
Army worm: Spodoptera litura existence can be determined by biting in the leaves. The extreme infection might entirely kill the plants.
Control: Insecticides are utilized to control the pests.
Grasshopper: This is common insect discovered in a number of plants. Valanga nigricornis and Locusta migratoria extensively attacks the plant. The insect often attacks the young plant.
Control: The insecticides used betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.
Pest observed in mature plants:
Pest of Stem: Ostrinia furnacalis, Xyleborus spp.
Ostrinia furnacalis and Xyleborus: This the jatropha curcas stem and it is widely seen in Indonesia. The stem attacked by this bug typically drop. The presence can be recognized by the larva penetration hole at the stem.
Control: The Insecticide normally used to control this pest is carbofuran.
Pest of leaf: The typical pests observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This pest can eat all the leaves of the plant in other words duration. The quality and yield of the seeds get reduced due to the heavy attack.
Control: This can be controlled by selecting the old larvae around the surface area and discarding 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 compound. Initially the insect crowded in the leaf and after that spread all over the plant when it gets older.
Control: Manually, the pest can be eliminated only by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.
Leaf Hopper: This insect is discovered mostly in tropical and subtropical regions. The pest targets the leaf and draws all the nutrients of the leaf and gets curls at the idea. 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 attacks the leaf and makes the entire plant weak. The pest existence can be identified when the leaf become yellow-colored, diminishes, turns red and fall down. The bug can also be spread through fallen leaves.
Control: Some preventive procedures can be simulated correct sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some awful pest which assaults 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 blossom period so the crop yield totally drops. This bug is seen around the tropical region.
The hazardous enzyme in the plant diminishes the whole plant.
Control: Insecticides suggested for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The bugs frequently occurs attacks the plant in flowering season and this bug is seen commonly 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 ideas.
Control: Manually, the assaulted seeds are recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.
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Pests Of Jatropha
Chance Healy edited this page 2025-01-18 00:17:09 +00:00