Oleovest Pl

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Pests Of Jatropha

Jatropha Curcas is gaining significance commercially as the need of nonrenewable fuel sources increases greatly and also Jatropha is an environmentally friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel replacement and it is also really cost-effective compared to other fuels. Recently, Jatropha is dealing with some difficulty with bugs and illness. The bugs are classified into 2 varieties: Pest that affect young plants and Pest that affect grown plants.

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

Agrotis ipsilon: It is commonly referred to as 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 totally.

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

Scarabaeid Beetle: This insect ruins the root of the young plant. Initially, the larva consumes the raw materials present in the soil and after that pertains to the root. The larva attack may kill the whole plant.

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

Army worm: Spodoptera litura presence can be recognized by biting in the leaves. The serious 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 widely attacks the plant. The bug often assaults the young plant.

Control: The 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 bug damages the Jatropha stem and it is extensively seen in Indonesia. The stem assaulted by this bug generally fall down. The existence can be recognized by the larva penetration hole at the stem.

Control: The Insecticide generally utilized to control this insect is carbofuran.

Pest of leaf: The typical pests observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.

Leaf Caterpillar: This bug can eat 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 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 certain chemical substance. Initially the insect crowded in the leaf and after that spread all over the plant when it gets older.

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

Leaf Hopper: This bug is discovered mainly in tropical and subtropical regions. The pest 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 likewise attacks the leaf and makes the entire plant weak. The insect existence can be determined when the leaf ended up being yellowish, shrinks, turns red and drop. The bug can likewise be spread out through fallen leaves.

Control: Some preventive steps can be simulated 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 insect which assaults the plant throughout bloom duration so the crop yield totally drops. This insect is seen around the tropical region.

The hazardous enzyme in the plant diminishes the entire plant.

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

Tip borer caterpillar: The insects typically takes place 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 pointers.

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