Difference between revisions of "Pests Of Jatropha"

Latest revision as of 04:10, 11 January 2025

Jatropha Curcas is getting value commercially as the demand of nonrenewable fuel sources increases tremendously and likewise jatropha curcas is an eco-friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel substitute and it is also really affordable compared to other fuels. Recently, Jatropha is dealing with some problem with bugs and diseases. The pests are classified into 2 varieties: Pest that impact young plants and Pest that affect matured plants.


Young plant insects: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.


ipsilon: It is commonly referred to as Cut worm. This insect affects the seedlings and young jatropha curcas 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 completely.


Control: This bug can be managed by picking 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 natural matters present in the soil and after that comes to the root. The larva attack may eliminate the entire plant.


Control: The plant with great resistance power can overcome the bug. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to eliminate the pest.


Army worm: Spodoptera litura existence can be identified by biting in the leaves. The serious infection might entirely eliminate the plants.


Control: Insecticides are utilized to control the bugs.


Grasshopper: This is typical bug discovered in a number of plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The pest often 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 bug harms the jatropha curcas stem and it is extensively seen in Indonesia. The stem assaulted by this pest generally fall down. The presence can be determined by the larva penetration hole at the stem.


Control: The Insecticide normally used to control this pest 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 consume all the leaves of the plant in other words period. The quality and yield of the seeds get reduced due to the heavy attack.


Control: This can be managed by picking the old larvae around the surface and getting rid of the attacked leaves.


Needle Caterpillar: This caterpillar is covered with spines and produces a burning experience when enabled to contact with skin as it produces particular chemical substance. Initially the pest crowded in the leaf and then spread out all over the plant when it ages.


Control: Manually, the insect 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 discovered mostly in tropical and subtropical areas. The insect targets the leaf and draws all the nutrients of the leaf and gets curls at the pointer. Later, the entire 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 insect presence can be identified when the leaf ended up being yellowish, diminishes, turns red and drop. The pest can also be spread out through fallen leaves.


Control: Some preventive steps can be done like proper sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.


Some awful bug which assaults flower and fruit are, Stink bug (Nezara viridula)


Chrysocoris javanus, Tip borer caterpillar.


Stink Bug: Sting bug is a serious pest which assaults the plant during bloom duration so the crop yield completely falls down. This bug is seen around the tropical region.


The toxic enzyme in the plant diminishes the whole plant.


Control: Insecticides advised for this bug is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.


Tip borer caterpillar: The insects frequently takes place attacks the plant in blooming season and this bug is seen commonly in tropical regions. The female bug laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant suggestions.


Control: Manually, the attacked seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.