Jatropha jatropha curcas is acquiring significance commercially as the demand of fossil fuels increases tremendously and likewise jatropha curcas is an environment-friendly energy plantation. Plantation of this plant is considered to be an excellent fuel replacement and it is also extremely economical compared to other fuels. Recently, Jatropha is dealing with some trouble with pests and illness. The bugs are classified into 2 ranges: Pest that affect young plants and Pest that impact matured plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is typically known as Cut worm. This bug impacts the seedlings and young jatropha curcas plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface area and this will diminished the plant completely.
Control: This insect can be managed by choosing the larva discovered 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 takes in the organic matters present in the soil and then concerns 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 parts carbosulfan and carbofuran can be used to eliminate the bug.
Army worm: Spodoptera litura presence can be determined by biting in the leaves. The serious infection could completely kill the plants.
Control: Insecticides are utilized to manage the insects.
Grasshopper: This prevails pest found in several plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The pest typically attacks 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 pest harms the jatropha curcas stem and it is commonly seen in Indonesia. The stem assaulted by this insect usually drop. The existence can be identified by the larva penetration hole at the stem.
Control: The Insecticide typically utilized 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 in other words period. The quality and yield of the seeds get minimized due to the heavy attack.
Control: This can be managed by choosing the old larvae around the surface and getting rid of 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 specific chemical compound. Initially the pest crowded in the leaf and after that spread out all over the plant when it ages.
Control: Manually, the bug can be eliminated only by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.
Leaf Hopper: This pest is discovered primarily in tropical and subtropical regions. The pest 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 pest presence can be determined when the leaf ended up being yellowish, diminishes, reddens and fall down. The bug can also be spread through fallen leaves.
Control: Some preventive measures can be done like correct sanitation and 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 serious pest which assaults the plant throughout bloom duration so the crop yield entirely drops. This pest is seen around the tropical area.
The poisonous enzyme in the plant diminishes the whole plant.
Control: Insecticides suggested for this bug is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The bugs commonly takes place attacks the plant in blooming season and this insect is seen extensively 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 tips.
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
Gracie Scarbrough edited this page 3 months ago