Jatropha Curcas is getting value commercially as the demand of fossil fuels increases significantly and also jatropha curcas is an eco-friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel replacement and it is likewise very economical compared to other fuels. Recently, Jatropha is facing some difficulty with insects and diseases. The bugs are categorized into two varieties: Pest that impact young plants and Pest that affect grown plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is typically referred to as Cut worm. This bug 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 diminished the plant totally.
Control: This bug can be controlled by picking the larva found around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This pest ruins the root of the young plant. Initially, the larva takes in the organic matters present in the soil and after that comes to the root. The larva attack might kill the entire plant.
Control: The plant with good resistance power can get rid of the insect. For heavy attack, insecticides with elements carbosulfan and carbofuran can be utilized to kill the bug.
Army worm: Spodoptera litura existence can be recognized by biting in the leaves. The serious infection might entirely kill the plants.
Control: Insecticides are utilized to control the bugs.
Grasshopper: This prevails bug discovered in several plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The bug frequently assaults 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 stem and it is commonly seen in Indonesia. The stem attacked by this pest normally fall down. The existence can be identified by the larva penetration hole at the stem.
Control: The Insecticide typically utilized to manage this bug is carbofuran.
Pest of leaf: The common 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 short 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 and tossing away the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning sensation when allowed to exposure to skin as it produces certain chemical compound. Initially the pest crowded in the leaf and then spread out 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 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 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 pest existence can be recognized when the leaf become yellowish, shrinks, turns red and drop. The bug can likewise be spread out through fallen leaves.
Control: Some preventive measures can be done like correct sanitation and the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some awful insect which assaults flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a severe bug which attacks the plant during bloom period so the crop yield totally falls down. This bug is seen around the tropical area.
The poisonous enzyme in the plant shrinks the entire plant.
Control: Insecticides recommended for this bug is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The bugs typically occurs attacks the plant in blooming season and this insect is seen widely 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 pointers.
Control: Manually, the attacked seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.
1
Pests Of Jatropha
Sondra Yamamoto edited this page 4 months ago