Jatropha jatropha curcas is getting value commercially as the need of nonrenewable fuel sources increases tremendously 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 likewise extremely affordable compared to other fuels. Recently, jatropha curcas is facing some trouble with pests and illness. The bugs are categorized into 2 ranges: 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 called Cut worm. This insect 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 diminished the plant entirely.
Control: This pest can be controlled by choosing the larva discovered around the plants or by mixing the bran, sawdust with insecticides.
Scarabaeid Beetle: This pest damages the root of the young plant. Initially, the larva consumes the raw materials present in the soil and then comes to the root. The larva attack might eliminate the entire plant.
Control: The plant with great resistance power can overcome the bug. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to kill the insect.
Army worm: Spodoptera litura existence can be identified by biting in the leaves. The serious infection might totally eliminate the plants.
Control: Insecticides are used to control the bugs.
Grasshopper: This prevails insect discovered in numerous plants. Valanga nigricornis and Locusta migratoria commonly attacks the plant. The pest frequently the young plant.
Control: The insecticides 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 harms the jatropha curcas stem and it is widely seen in Indonesia. The stem attacked by this pest usually drop. The existence can be recognized by the larva penetration hole at the stem.
Control: The Insecticide generally used to control this insect is carbofuran.
Pest of leaf: The typical bugs 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 period. The quality and yield of the seeds get decreased due to the heavy attack.
Control: This can be managed by choosing 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 sensation when permitted to exposure to skin as it produces particular chemical substance. Initially the bug crowded in the leaf and then spread all over the plant when it gets older.
Control: Manually, the insect can be killed just by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This bug is discovered mostly in tropical and subtropical regions. The bug targets the leaf and sucks 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 managed by using insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also attacks the leaf and makes the entire plant weak. The insect existence can be determined when the leaf ended up being yellow-colored, shrinks, turns red and fall down. The bug can likewise be spread through fallen leaves.
Control: Some preventive steps can be done like correct sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some awful insect which assaults flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a serious pest which attacks the plant throughout blossom period so the crop yield entirely falls down. This bug is seen around the tropical area.
The poisonous enzyme in the plant shrinks the whole plant.
Control: Insecticides recommended for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The pests commonly occurs attacks the plant in blooming season and this insect is seen widely 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 suggestions.
Control: Manually, the assaulted seeds are suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
fabianhungerfo edited this page 2025-01-11 15:37:15 +00:00