Pests Of Jatropha

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Jatropha Curcas is getting value commercially as the demand of fossil fuels increases greatly and likewise Jatropha is an eco-friendly energy plantation.

Jatropha Curcas is getting significance commercially as the demand of nonrenewable fuel sources increases enormously and also Jatropha is an environment-friendly energy plantation. Plantation of this plant is thought about to be an exceptional fuel substitute and it is also extremely economical compared to other fuels. Recently, Jatropha is facing some problem with bugs and diseases. The insects are classified into 2 ranges: Pest that affect young plants and Pest that impact matured plants.


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


Agrotis ipsilon: It is typically called Cut worm. This bug impacts 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 diminished the plant entirely.


Control: This insect can be controlled by picking the larva found around the plants or by blending the bran, sawdust with insecticides.


Scarabaeid Beetle: This insect destroys the root of the young plant. Initially, the larva consumes the raw materials present in the soil and after that concerns the root. The larva attack may eliminate the entire plant.


Control: The plant with good resistance power can conquer the bug. 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 could entirely eliminate the plants.


Control: Insecticides are utilized to control the insects.


Grasshopper: This is typical bug discovered in a number of plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The pest typically attacks the young plant.


Control: The insecticides used 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 extensively seen in Indonesia. The stem assaulted by this insect usually fall down. The existence can be identified by the larva penetration hole at the stem.


Control: The Insecticide generally utilized to manage this insect 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 in short duration. The quality and yield of the seeds get lowered due to the heavy attack.


Control: This can be controlled by selecting 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 permitted to contact with skin as it produces specific chemical compound. Initially the insect crowded in the leaf and then spread all over the plant when it ages.


Control: Manually, the bug can be killed only by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.


Leaf Hopper: This pest is found mostly in tropical and subtropical regions. The bug targets the leaf and draws all the nutrients of the leaf and gets curls at the idea. Later, the whole leaf dry and die.


Control: The heavy attack can be controlled by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.


Mite: Mite likewise attacks the leaf and makes the whole plant weak. The pest presence can be identified when the leaf ended up being yellow-colored, diminishes, turns red and fall down. The insect can likewise be spread out through fallen leaves.


Control: Some preventive measures can be simulated appropriate sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.


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


Chrysocoris javanus, Tip borer caterpillar.


Stink Bug: Sting bug is a major insect which attacks the plant throughout blossom period so the crop yield completely drops. This bug is seen around the tropical area.


The hazardous enzyme in the plant diminishes the entire plant.


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


Tip borer caterpillar: The bugs frequently takes place attacks the plant in blooming season and this insect is seen extensively 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 suggestions.


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

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