Jatropha Curcas is acquiring importance commercially as the demand of nonrenewable fuel sources increases significantly and also jatropha curcas is an environmentally friendly energy plantation. Plantation of this plant is considered to be an excellent fuel substitute and it is also very affordable compared to other fuels. Recently, Jatropha is dealing with some trouble with bugs and diseases. The pests are classified into 2 ranges: Pest that impact young plants and Pest that affect matured 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 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 totally.
Control: This bug can be managed by selecting the larva discovered around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This bug destroys the root of the young plant. Initially, the larva consumes the natural matters present in the soil and then concerns the root. The larva attack may kill the entire plant.
Control: The plant with great resistance power can conquer the bug. For heavy attack, insecticides with components carbosulfan and carbofuran can be utilized to kill the insect.
Army worm: Spodoptera litura presence can be determined by biting in the leaves. The extreme infection could completely kill the plants.
Control: Insecticides are used to control the insects.
Grasshopper: This is typical insect discovered in several plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The insect frequently assaults 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 pest harms the jatropha curcas stem and it is extensively seen in Indonesia. The stem attacked by this pest typically drop. The presence can be determined by the larva penetration hole at the stem.
Control: The Insecticide usually utilized to control this bug is carbofuran.
Pest of leaf: The typical pests 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 other words duration. The quality and yield of the seeds get decreased due to the heavy attack.
Control: This can be managed by picking the old larvae around the surface area and discarding 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 specific chemical substance. Initially the pest crowded in the leaf and then spread out all over the plant when it gets older.
Control: Manually, the bug can be eliminated just by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This insect is found primarily in tropical and subtropical regions. 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 pass away.
Control: The heavy attack can be managed by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite likewise attacks the leaf and makes the entire plant weak. The insect existence can be identified when the leaf ended up being yellowish, shrinks, reddens and fall down. The bug can likewise be spread out through fallen leaves.
Control: Some preventive procedures can be simulated appropriate sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some terrible bug 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 during blossom duration so the crop yield completely falls down. This bug is seen around the tropical region.
The hazardous enzyme in the plant diminishes the entire plant.
Control: Insecticides advised for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The pests commonly happens attacks the plant in flowering season and this bug is seen commonly in tropical areas. The 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 flowering season.
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Pests Of Jatropha
daniellefairwe edited this page 2025-01-18 03:28:14 +08:00