oleovest-pl

Jatropha Curcas is gaining value commercially as the need of fossil fuels increases greatly and likewise jatropha curcas is an environmentally friendly energy plantation. Plantation of this plant is considered to be an exceptional fuel alternative and it is likewise extremely cost-effective compared to other fuels. Recently, Jatropha is facing some problem with insects and diseases. The insects are categorized into two ranges: Pest that impact young plants and Pest that affect grown plants.

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

Agrotis ipsilon: It is frequently known as Cut worm. This insect impacts the seedlings and young jatropha curcas plants. If the plant is affected 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 the larva found around the plants or by mixing the bran, sawdust with insecticides.

Scarabaeid Beetle: This bug destroys 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 kill the entire plant.

Control: The plant with good resistance power can get rid of the bug. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to eliminate the insect.

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

Control: Insecticides are utilized to control the insects.

Grasshopper: This prevails pest found in numerous plants. Valanga nigricornis and Locusta migratoria commonly assaults the plant. The pest frequently assaults 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 widely seen in Indonesia. The stem assaulted by this insect usually fall down. The presence can be determined by the larva penetration hole at the stem.

Control: The Insecticide generally used to manage this pest is carbofuran.

Pest of leaf: The typical 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 simply put period. The quality and yield of the seeds get minimized due to the heavy attack.

Control: This can be managed by picking the old larvae around the surface area and discarding the attacked leaves.

Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning experience when allowed to exposure to skin as it produces specific chemical compound. Initially the pest crowded in the leaf and after that spread out all over the plant when it gets older.

Control: Manually, the pest can be eliminated just by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.

Leaf Hopper: This insect is found mostly in tropical and subtropical regions. The pest 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 controlled by using insecticides like imidachloprid, beta cyfluthrin or carbosulfan.

Mite: Mite also assaults the leaf and makes the entire plant weak. The pest presence can be recognized when the leaf ended up being yellowish, diminishes, reddens and drop. The pest 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 treated by spraying insecticides.

Some dreadful insect 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 throughout bloom duration so the crop yield completely falls down. This insect is seen around the tropical region.

The hazardous enzyme in the plant shrinks the whole plant.

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

Tip borer caterpillar: The insects frequently occurs attacks the plant in blooming season and this bug 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 pointers.

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