
M2 Capital Sdn. Bhd
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Founded Date 1988-06-09
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Pests Of Jatropha
Jatropha Curcas is acquiring value commercially as the demand of fossil fuels increases greatly and also Jatropha is an eco-friendly energy plantation. Plantation of this plant is considered to be an outstanding fuel replacement and it is likewise extremely cost-effective compared to other fuels. Recently, jatropha curcas is dealing with some difficulty with pests and diseases. The pests are categorized into 2 ranges: 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 called Cut worm. This bug 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 and this will shrunk the plant completely.
Control: This pest can be managed by choosing the larva found around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This pest damages the root of the young plant. Initially, the larva consumes the natural matters present in the soil and after that comes to the root. The larva attack may kill the entire plant.
Control: The plant with great resistance power can overcome the pest. For heavy attack, insecticides with components carbosulfan and carbofuran can be used to eliminate the insect.
Army worm: Spodoptera litura existence can be recognized by biting in the leaves. The extreme infection might completely eliminate the plants.
Control: Insecticides are used to manage the insects.
Grasshopper: This prevails pest discovered in a number of plants. Valanga nigricornis and Locusta migratoria extensively attacks the plant. The insect often attacks 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 harms the jatropha curcas stem and it is commonly seen in Indonesia. The stem attacked by this pest normally fall down. The presence can be identified by the larva penetration hole at the stem.
Control: The Insecticide typically utilized to control this bug 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 eat all the leaves of the plant simply put duration. The quality and yield of the seeds get reduced due to the heavy attack.
Control: This can be controlled by choosing the old larvae around the surface and tossing away the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning experience when permitted to exposure to skin as it produces particular chemical compound. Initially the pest crowded in the leaf and then spread out 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 managed by spraying organophosphate insecticides.
Leaf Hopper: This insect is found mainly in tropical and subtropical areas. The insect targets the leaf and draws all the nutrients of the leaf and gets curls at the idea. Later, the entire leaf dry and pass away.
Control: The heavy attack can be managed by using insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also assaults the leaf and makes the entire plant weak. The bug existence can be identified when the leaf become yellow-colored, shrinks, turns red and drop. The bug can also be spread through fallen leaves.
Control: Some preventive procedures can be simulated appropriate sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some terrible bug which assaults flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a major bug which assaults the plant during bloom period so the crop yield totally falls down. This pest is seen around the tropical area.
The poisonous enzyme in the plant shrinks the entire plant.
Control: Insecticides suggested for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The happens attacks the plant in blooming season and this insect 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 assaulted seeds are suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.