Pests Of Jatropha

Jatropha Curcas is acquiring value commercially as the need of nonrenewable fuel sources increases significantly and likewise Jatropha is an eco-friendly energy plantation. Plantation of this plant is considered to be an outstanding fuel alternative and it is also extremely affordable compared to other fuels. Recently, Jatropha is dealing with some trouble with insects and illness. The bugs are categorized into 2 varieties: 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 affects the seedlings and young Jatropha plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface area and this will diminished the plant totally.

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

Scarabaeid Beetle: This insect damages the root of the young plant. Initially, the larva takes in the raw materials present in the soil and then comes to the root. The larva attack may kill the entire plant.

Control: The plant with good resistance power can conquer the insect. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to kill the bug.

Army worm: Spodoptera litura existence can be determined by biting in the leaves. The extreme infection could entirely eliminate the plants.

Control: Insecticides are used to manage the bugs.

Grasshopper: This prevails bug found in numerous plants. Valanga nigricornis and Locusta migratoria commonly assaults the plant. The insect 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 insect damages the Jatropha stem and it is widely seen in Indonesia. The stem attacked by this insect typically drop. The existence can be identified by the larva penetration hole at the stem.

Control: The Insecticide usually used to manage this insect is carbofuran.

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

Leaf Caterpillar: This pest can eat all the leaves of the plant in other words period. The quality and yield of the seeds get minimized 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 a burning feeling when permitted to exposure to skin as it produces certain chemical compound. Initially the insect crowded in the leaf and after that spread all over the plant when it gets older.

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 found primarily in tropical and subtropical regions. The pest targets the leaf and sucks 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 insect presence can be identified when the leaf ended up being yellowish, shrinks, reddens and drop. The bug can likewise be spread through fallen leaves.

Control: Some preventive steps can be simulated proper sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.

Some dreadful insect which attacks flower and fruit are, Stink bug (Nezara viridula)

Chrysocoris javanus, Tip borer caterpillar.

Stink Bug: Sting bug is a serious bug which assaults the plant throughout blossom duration so the crop yield totally drops. This bug is seen around the tropical area.

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 bugs typically happens attacks the plant in flowering season and this bug is seen extensively in tropical areas. The female bug laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant tips.

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