Jatropha Curcas is acquiring value commercially as the need of nonrenewable fuel sources increases greatly and also jatropha curcas is an eco-friendly energy plantation. Plantation of this plant is thought about to be an excellent fuel substitute and it is also really cost-effective compared to other fuels. Recently, jatropha curcas is facing some difficulty with bugs and diseases. The bugs are classified into 2 ranges: Pest that affect young plants and Pest that affect grown plants.
Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is frequently referred to as Cut worm. This pest affects the seedlings and young Jatropha 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 insect can be controlled by selecting the larva discovered around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This bug damages the root of the young plant. Initially, the larva takes in the organic matters present in the soil and then pertains to the root. The larva attack may eliminate the whole 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 used to kill the bug.
Army worm: Spodoptera litura existence can be recognized by biting in the leaves. The extreme infection might totally eliminate the plants.
Control: Insecticides are used to manage the insects.
Grasshopper: This is typical pest found in several plants. Valanga nigricornis and Locusta migratoria commonly assaults the plant. The pest frequently assaults 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 pest harms the Jatropha stem and it is commonly seen in Indonesia. The stem attacked by this bug usually drop. The presence can be identified by the larva penetration hole at the stem.
Control: The Insecticide generally used to manage this insect 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 consume all the leaves of the plant simply put duration. The quality and yield of the seeds get decreased due to the heavy attack.
Control: This can be by choosing the old larvae around the surface area and getting rid of the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning experience when allowed to exposure to skin as it produces specific chemical substance. Initially the pest crowded in the leaf and then spread all over the plant when it ages.
Control: Manually, the pest can be eliminated just by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This bug is discovered 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 whole leaf dry and pass away.
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 bug existence can be identified when the leaf become yellow-colored, shrinks, turns red and fall down. The bug can likewise be spread out through fallen leaves.
Control: Some preventive measures can be simulated correct sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some dreadful insect which attacks flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a major pest which attacks the plant throughout blossom period so the crop yield completely drops. This insect is seen around the tropical region.
The harmful enzyme in the plant diminishes the entire plant.
Control: Insecticides recommended for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The pests frequently occurs attacks the plant in blooming season and this insect is seen widely in tropical regions. 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 assaulted seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
Bettie Gatlin edited this page 2025-01-11 02:44:14 -08:00