Jatropha Curcas is acquiring value commercially as the need of nonrenewable fuel sources increases significantly and also Jatropha is an eco-friendly energy plantation. Plantation of this plant is considered to be an exceptional fuel alternative and it is also extremely affordable compared to other fuels. Recently, Jatropha is facing some trouble with insects and diseases. The insects are classified into two ranges: Pest that impact young plants and Pest that affect grown plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is frequently known as Cut worm. This pest impacts the seedlings and young Jatropha plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface area and this will shrunk the plant entirely.
Control: This bug can be managed by picking the larva discovered around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This insect ruins the root of the young plant. Initially, the larva takes in the organic matters present in the soil and after that concerns the root. The larva attack may eliminate the entire plant.
Control: The plant with excellent resistance power can overcome the bug. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to kill the pest.
Army worm: Spodoptera litura presence can be recognized by biting in the leaves. The serious infection could totally eliminate the plants.
Control: Insecticides are used to control the bugs.
Grasshopper: This prevails pest discovered in several plants. Valanga nigricornis and Locusta migratoria extensively attacks the plant. The bug typically 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 insect harms the Jatropha stem and it is extensively seen in Indonesia. The stem assaulted by this insect normally fall down. The existence can be recognized by the larva penetration hole at the stem.
Control: The Insecticide typically utilized to manage this bug 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 period. The quality and yield of the seeds get decreased due to the heavy attack.
Control: This can be controlled by selecting the old larvae around the surface and discarding the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning sensation when allowed to exposure to skin as it produces specific chemical compound. Initially the insect crowded in the leaf and after that spread out all over the plant when it ages.
Control: Manually, the pest 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 mostly in tropical and subtropical areas. The insect targets the leaf and sucks 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 utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also assaults the leaf and makes the entire plant weak. The pest existence can be identified when the leaf ended up being yellow-colored, shrinks, reddens and drop. The insect can likewise be spread through fallen leaves.
Control: Some steps can be done like proper sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some dreadful bug which assaults flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a severe insect which assaults the plant during blossom period so the crop yield totally falls down. This pest is seen around the tropical area.
The toxic 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 pests typically takes place attacks the plant in flowering season and this bug is seen commonly 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 attacked seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
brunofruehauf3 edited this page 2025-01-12 04:32:00 +00:00