Pests Of Jatropha

Jatropha Curcas is acquiring value commercially as the demand of fossil fuels increases greatly and likewise Jatropha is an eco-friendly energy plantation. Plantation of this plant is considered to be an excellent fuel substitute and it is likewise extremely cost-effective compared to other fuels. Recently, Jatropha is dealing with some difficulty with insects and illness. The pests are categorized into 2 varieties: Pest that affect young plants and Pest that impact matured plants.

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

Agrotis ipsilon: It is frequently called Cut worm. This bug affects the seedlings and young Jatropha plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface and this will shrunk the plant entirely.

Control: This bug can be managed by choosing the larva discovered around the plants or by blending the bran, sawdust with insecticides.

Scarabaeid Beetle: This bug damages the root of the young plant. Initially, the larva consumes the raw materials present in the soil and then pertains to the root. The larva attack might eliminate the whole plant.

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

Army worm: Spodoptera litura presence can be identified by biting in the leaves. The severe infection might totally kill the plants.

Control: Insecticides are utilized to control the bugs.

Grasshopper: This is typical insect discovered in numerous plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The pest often 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 and it is commonly seen in Indonesia. The stem attacked by this pest usually drop. The presence 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 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 discarding the assaulted leaves.

Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning experience when enabled to exposure to skin as it produces specific chemical compound. Initially the pest crowded in the leaf and after that spread 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 bug is found mainly in tropical and subtropical regions. The pest targets the leaf and sucks all the nutrients of the leaf and gets curls at the tip. Later, the entire leaf dry and pass away.

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 presence can be identified when the leaf ended up being yellowish, diminishes, reddens and fall down. The pest can also be spread out through fallen leaves.

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

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

Chrysocoris javanus, Tip borer caterpillar.

Stink Bug: Sting bug is a severe insect which attacks the plant throughout bloom duration so the crop yield completely falls down. This insect is seen around the tropical region.

The harmful enzyme in the plant diminishes the entire plant.

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

Tip borer caterpillar: The bugs frequently happens attacks the plant in flowering season and this insect is seen widely 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 suggestions.

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