Jatropha Curcas is getting importance commercially as the need of fossil fuels increases tremendously and also jatropha curcas is an environmentally friendly energy plantation. Plantation of this plant is thought about to be an exceptional fuel substitute and it is also extremely economical compared to other fuels. Recently, Jatropha is facing some difficulty with insects and illness. The bugs are classified into two varieties: Pest that affect young plants and Pest that affect matured plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is commonly understood 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 diminished the plant entirely.
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 bug damages the root of the young plant. Initially, the larva consumes the raw materials present in the soil and after that concerns the root. The larva attack may kill the entire plant.
Control: The plant with great resistance power can overcome the bug. For heavy attack, insecticides with elements carbosulfan and carbofuran can be utilized to eliminate the bug.
Army worm: Spodoptera litura existence can be determined by biting in the leaves. The serious could completely kill the plants.
Control: Insecticides are utilized to control the insects.
Grasshopper: This is typical pest found in a number of plants. Valanga nigricornis and Locusta migratoria commonly assaults the plant. The bug frequently attacks 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 bug harms the Jatropha stem and it is widely seen in Indonesia. The stem attacked by this insect typically fall down. The existence can be determined by the larva penetration hole at the stem.
Control: The Insecticide typically utilized 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 bug 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 picking 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 experience when allowed to call with skin as it produces specific chemical compound. Initially the bug crowded in the leaf and after that spread all over the plant when it gets older.
Control: Manually, the bug can be killed only by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This bug is discovered primarily in tropical and subtropical areas. The bug targets the leaf and draws all the nutrients of the leaf and gets curls at the suggestion. Later, the entire leaf dry and die.
Control: The heavy attack can be controlled by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also assaults the leaf and makes the entire plant weak. The pest existence can be determined when the leaf become yellowish, diminishes, turns red and fall down. The insect 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 dealt with by spraying insecticides.
Some awful insect which attacks flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a serious insect which assaults the plant throughout blossom duration so the crop yield completely falls down. This insect is seen around the tropical area.
The harmful enzyme in the plant diminishes the entire plant.
Control: Insecticides advised for this bug is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The bugs frequently happens attacks the plant in blooming season and this insect is seen widely in tropical regions. The female bug laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant pointers.
Control: Manually, the attacked seeds are recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
Amee Ladd edited this page 2025-01-12 04:58:04 +00:00