Jatropha Curcas is gaining importance commercially as the need of nonrenewable fuel sources increases tremendously and also Jatropha is an eco-friendly energy plantation. Plantation of this plant is considered to be an exceptional fuel alternative and it is also very cost-effective compared to other fuels. Recently, jatropha curcas is dealing with some trouble with bugs and illness. The insects are classified into 2 varieties: Pest that affect young plants and Pest that impact grown plants.
Young plant insects: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is commonly referred to as Cut worm. This insect affects the seedlings and young jatropha curcas 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 completely.
Control: This bug can be controlled by picking the larva discovered around the plants or by mixing the bran, sawdust with insecticides.
Scarabaeid Beetle: This bug damages the root of the young plant. Initially, the larva takes in the organic matters present in the soil and then concerns the root. The larva attack may kill the entire plant.
Control: The plant with excellent resistance power can conquer the pest. For heavy attack, insecticides with elements carbosulfan and carbofuran can be used to eliminate the insect.
Army worm: Spodoptera litura existence can be determined by biting in the leaves. The extreme infection might entirely kill the plants.
Control: Insecticides are utilized to control the bugs.
Grasshopper: This is common bug found in a number of plants. Valanga nigricornis and Locusta migratoria commonly assaults the plant. The bug often 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 harms the Jatropha stem and it is extensively seen in Indonesia. The stem attacked by this insect generally fall down. The existence can be identified by the larva penetration hole at the stem.
Control: The Insecticide normally utilized to manage this bug is carbofuran.
Pest of leaf: The typical bugs 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 short duration. The quality and yield of the seeds get lowered due to the heavy attack.
Control: This can be controlled by selecting the old larvae around the surface and discarding the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning sensation when allowed to exposure to skin as it produces particular chemical substance. Initially the insect crowded in the leaf and after that spread out all over the plant when it ages.
Control: Manually, the insect can be killed just by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.
Leaf Hopper: This insect is discovered mainly in tropical and subtropical areas. The pest targets the leaf and draws all the nutrients of the leaf and gets curls at the tip. Later, the entire leaf dry and die.
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 bug existence can be determined when the leaf become yellow-colored, shrinks, reddens and drop. The insect can also be spread out through fallen leaves.
Control: Some preventive steps can be simulated proper sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some dreadful 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 bloom period so the crop yield entirely falls down. This pest is seen around the tropical area.
The harmful enzyme in the plant the entire plant.
Control: Insecticides suggested for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The pests frequently occurs attacks the plant in blooming season and this bug is seen widely 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 attacked seeds are recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
1
Pests Of Jatropha
Ardis Newkirk edited this page 10 hours ago