Jatropha Curcas is getting value commercially as the need of nonrenewable fuel sources increases tremendously and likewise jatropha curcas is an environment-friendly energy plantation. Plantation of this plant is considered to be an outstanding fuel replacement and it is likewise extremely affordable compared to other fuels. Recently, Jatropha is facing some trouble with pests and diseases. The bugs are categorized into two ranges: Pest that affect young plants and Pest that affect developed plants.
Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is commonly called Cut worm. This pest affects 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 .
Control: This bug can be managed by picking the larva found around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This bug ruins the root of the young plant. Initially, the larva takes in the organic matters present in the soil and then comes to the root. The larva attack might eliminate the entire plant.
Control: The plant with great resistance power can get rid of the insect. For heavy attack, insecticides with elements carbosulfan and carbofuran can be utilized to kill the pest.
Army worm: Spodoptera litura existence can be identified by biting in the leaves. The severe infection might totally eliminate the plants.
Control: Insecticides are utilized to control the bugs.
Grasshopper: This prevails bug discovered in numerous plants. Valanga nigricornis and Locusta migratoria extensively attacks the plant. The pest typically attacks 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 bug damages the jatropha curcas stem and it is commonly seen in Indonesia. The stem assaulted by this bug usually drop. The presence can be determined by the larva penetration hole at the stem.
Control: The Insecticide usually utilized to manage this bug is carbofuran.
Pest of leaf: The common bugs observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This insect can consume all the leaves of the plant simply put period. The quality and yield of the seeds get minimized due to the heavy attack.
Control: This can be managed 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 feeling when enabled to contact with skin as it produces specific chemical substance. Initially the insect crowded in the leaf and then spread out all over the plant when it ages.
Control: Manually, the pest can be killed only by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This bug is found mostly in tropical and subtropical regions. The bug targets the leaf and sucks all the nutrients of the leaf and gets curls at the pointer. Later, the entire leaf dry and die.
Control: The heavy attack can be controlled by using insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also attacks 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 fall down. The pest can likewise be spread through fallen leaves.
Control: Some preventive measures can be done like correct sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some dreadful pest which attacks 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 during bloom duration so the crop yield completely falls down. This bug is seen around the tropical area.
The harmful 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 frequently happens 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 tips.
Control: Manually, the attacked seeds are recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
Adele Nies edited this page 1 week ago