Pests Of Jatropha

Comments · 115 Views

Jatropha Curcas is getting significance commercially as the need of fossil fuels increases significantly and likewise Jatropha is an eco-friendly energy plantation.

Jatropha Curcas is gaining value commercially as the need of fossil fuels increases greatly and likewise Jatropha is an environment-friendly energy plantation. Plantation of this plant is considered to be an exceptional fuel replacement and it is also really economical compared to other fuels. Recently, jatropha curcas is dealing with some trouble with pests and diseases. The pests are classified into two varieties: Pest that affect young plants and Pest that affect developed plants.


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


Agrotis ipsilon: It is typically referred to as Cut worm. This pest impacts the seedlings and young jatropha curcas plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface and this will shrunk the plant completely.


Control: This bug can be controlled by picking the larva discovered 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 consumes the raw materials present in the soil and after that pertains to the root. The larva attack may eliminate the entire plant.


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


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


Control: Insecticides are utilized to control the bugs.


Grasshopper: This prevails bug discovered in a number of plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The bug frequently attacks the young plant.


Control: The insecticides used 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 extensively seen in Indonesia. The stem attacked by this bug typically fall down. The presence can be recognized by the larva penetration hole at the stem.


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


Pest of leaf: The common insects 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 brief duration. The quality and yield of the seeds get lowered due to the heavy attack.


Control: This can be managed by selecting the old larvae around the surface area and getting rid of the attacked leaves.


Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning feeling when allowed to call with skin as it produces specific chemical substance. Initially the insect crowded in the leaf and after that spread all over the plant when it grows 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 pest is found mostly in tropical and subtropical areas. The pest targets the leaf and sucks 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 utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.


Mite: Mite likewise assaults the leaf and makes the entire plant weak. The pest presence can be determined when the leaf ended up being yellow-colored, shrinks, reddens and fall down. The pest can likewise be spread through fallen leaves.


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


Some awful pest 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 period so the crop yield entirely falls down. This bug is seen around the tropical region.


The toxic enzyme in the plant shrinks the whole plant.


Control: Insecticides suggested for this bug is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.


Tip borer caterpillar: The insects commonly occurs attacks the plant in flowering season and this bug is seen extensively in tropical areas. 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 assaulted seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.

Comments