Pests Of Jatropha
Jatropha Curcas is getting significance commercially as the demand of fossil fuels increases significantly and also jatropha curcas is an environmentally friendly energy plantation. Plantation of this plant is considered to be an outstanding fuel replacement and it is also very affordable compared to other fuels. Recently, jatropha curcas is facing some trouble with insects and illness. The insects are classified into 2 varieties: Pest that impact young plants and Pest that affect matured plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is frequently called Cut worm. This pest affects the seedlings and young Jatropha plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface and this will diminished the plant totally.
Control: This pest can be managed by selecting the larva discovered around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This insect ruins the root of the young plant. Initially, the larva consumes the organic matters 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 get rid of the insect. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to eliminate the bug.
Army worm: Spodoptera litura presence can be determined by biting in the leaves. The extreme infection might totally eliminate the plants.
Control: Insecticides are utilized to manage the bugs.
Grasshopper: This is common insect discovered in numerous plants. Valanga nigricornis and Locusta migratoria commonly attacks the plant. The insect frequently assaults 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 insect harms the jatropha curcas stem and it is extensively seen in Indonesia. The stem attacked by this insect generally drop. 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 typical bugs observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This insect can eat all the leaves of the plant in brief period. The quality and yield of the seeds get decreased due to the heavy attack.
Control: This can be controlled by choosing the old larvae around the surface area and the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning experience when permitted to exposure to skin as it produces certain chemical substance. Initially the pest crowded in the leaf and then spread out all over the plant when it grows older.
Control: Manually, the bug can be eliminated just by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.
Leaf Hopper: This insect is found mostly in tropical and subtropical areas. The pest targets the leaf and sucks all the nutrients of the leaf and gets curls at the pointer. 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 likewise attacks the leaf and makes the entire plant weak. The pest presence can be identified when the leaf ended up being yellow-colored, diminishes, turns red and drop. The bug can likewise be spread out through fallen leaves.
Control: Some preventive steps can be done like appropriate sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some dreadful pest which attacks flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a severe bug which assaults the plant during bloom period so the crop yield entirely drops. This pest is seen around the tropical region.
The hazardous enzyme in the plant diminishes the entire plant.
Control: Insecticides suggested for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The bugs frequently occurs attacks the plant in blooming season and this pest is seen extensively in tropical areas. 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 advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.