Jatropha Curcas is acquiring importance commercially as the demand of nonrenewable fuel sources increases enormously and also Jatropha is an environmentally friendly energy plantation. Plantation of this plant is considered to be an exceptional fuel replacement and it is also really cost-effective compared to other fuels. Recently, jatropha curcas is facing some problem with bugs and illness. The pests are categorized into 2 ranges: Pest that affect young plants and Pest that impact matured plants.
Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is typically known as Cut worm. This pest affects the seedlings and young Jatropha plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface area and this will shrunk the plant entirely.
Control: This bug can be controlled by selecting the larva found around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This pest destroys the root of the young plant. Initially, the larva consumes the organic matters present in the soil and after that pertains to the root. The larva attack might eliminate the entire plant.
Control: The plant with great resistance power can conquer the insect. For heavy attack, insecticides with components carbosulfan and carbofuran can be utilized to kill the bug.
Army worm: Spodoptera litura existence can be recognized by biting in the leaves. The serious infection could totally eliminate the plants.
Control: Insecticides are used to manage the insects.
Grasshopper: This prevails insect discovered in several plants. Valanga nigricornis and Locusta migratoria commonly assaults the plant. The pest typically assaults the young plant.
Control: The insecticides utilized betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.
Pest observed in fully grown plants:
Pest of Stem: Ostrinia furnacalis, Xyleborus spp.
Ostrinia furnacalis and Xyleborus: This pest damages the jatropha curcas stem and it is extensively seen in Indonesia. The stem attacked by this insect normally fall down. The can be determined by the larva penetration hole at the stem.
Control: The Insecticide usually used to control this bug is carbofuran.
Pest of leaf: The common pests observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This insect can eat all the leaves of the plant in brief period. The quality and yield of the seeds get lowered due to the heavy attack.
Control: This can be controlled by choosing the old larvae around the surface area and tossing away the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning feeling when permitted to exposure to skin as it produces particular 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 pest is found mostly in tropical and subtropical areas. The insect targets the leaf and sucks all the nutrients of the leaf and gets curls at the pointer. Later, the whole leaf dry and pass away.
Control: The heavy attack can be controlled by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also attacks the leaf and makes the entire plant weak. The bug presence can be determined when the leaf become yellow-colored, shrinks, turns red and drop. The insect can likewise be spread out through fallen leaves.
Control: Some preventive procedures can be simulated proper sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some terrible pest which assaults flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a severe pest which attacks the plant throughout blossom duration so the crop yield totally drops. This bug is seen around the tropical region.
The toxic enzyme in the plant shrinks the entire plant.
Control: Insecticides advised for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The insects typically occurs attacks the plant in flowering season and this insect is seen commonly 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 suggestions.
Control: Manually, the assaulted seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.
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Pests Of Jatropha
Kali Port edited this page 3 weeks ago