1 Pests Of Jatropha

Adalberto Jessop edited this page 1 month ago

Jatropha Curcas is acquiring significance commercially as the need of fossil fuels increases greatly and likewise Jatropha is an environmentally friendly energy plantation. Plantation of this plant is considered to be an excellent fuel alternative and it is likewise extremely cost-effective compared to other fuels. Recently, Jatropha is facing some difficulty with pests and diseases. The insects are classified into 2 varieties: 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 referred to as Cut worm. This pest affects 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 shrunk the plant completely.

Control: This bug can be controlled by selecting the larva found around the plants or by mixing the bran, sawdust with insecticides.

Scarabaeid Beetle: This the root of the young plant. Initially, the larva consumes the organic matters present in the soil and after that comes to the root. The larva attack may kill the entire plant.

Control: The plant with excellent resistance power can conquer the bug. For heavy attack, insecticides with components carbosulfan and carbofuran can be used to eliminate the bug.

Army worm: Spodoptera litura existence can be recognized by biting in the leaves. The extreme infection might completely kill the plants.

Control: Insecticides are used to manage the bugs.

Grasshopper: This is typical pest found in a number of plants. Valanga nigricornis and Locusta migratoria extensively attacks the plant. The bug often attacks 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 pest damages the jatropha curcas stem and it is extensively seen in Indonesia. The stem assaulted by this bug typically fall down. The presence can be recognized by the larva penetration hole at the stem.

Control: The Insecticide normally 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 pest can consume all the leaves of the plant simply put duration. The quality and yield of the seeds get minimized due to the heavy attack.

Control: This can be controlled by choosing the old larvae around the surface and getting rid of the assaulted leaves.

Needle Caterpillar: This caterpillar is covered with spines and produces a burning feeling when permitted to exposure to skin as it produces certain chemical substance. Initially the insect crowded in the leaf and after that 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 insect is discovered mainly in tropical and subtropical areas. The insect targets the leaf and draws all the nutrients of the leaf and gets curls at the suggestion. 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 likewise assaults the leaf and makes the entire plant weak. The insect presence can be determined when the leaf ended up being yellowish, diminishes, turns red and drop. The insect can also be spread through fallen leaves.

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

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

Chrysocoris javanus, Tip borer caterpillar.

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

The toxic 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 pests frequently happens attacks the plant in blooming season and this pest is seen widely in tropical regions. The female insect 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 suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.