Jatropha Curcas is gaining 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 excellent fuel replacement and it is likewise extremely economical compared to other fuels. Recently, jatropha curcas is facing some difficulty with pests and diseases. The bugs are categorized into 2 varieties: Pest that impact young plants and Pest that impact matured plants.
Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is commonly referred to as Cut worm. This insect impacts the seedlings and young jatropha curcas plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface and this will diminished the plant totally.
Control: This insect can be managed by selecting the larva discovered around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This insect damages the root of the young plant. Initially, the larva takes in the natural matters present in the soil and then concerns the root. The larva attack might kill the entire plant.
Control: The plant with good resistance power can overcome the bug. For heavy attack, insecticides with components carbosulfan and carbofuran can be used to eliminate the insect.
Army worm: Spodoptera litura existence can be identified by biting in the leaves. The severe infection could entirely eliminate the plants.
Control: Insecticides are utilized to control the insects.
Grasshopper: This is common insect found in a number of plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The bug 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 insect damages the Jatropha stem and it is extensively seen in Indonesia. The stem assaulted by this insect typically fall down. The presence can be determined by the larva penetration hole at the stem.
Control: The Insecticide usually used to control this bug is carbofuran.
Pest of leaf: The typical insects observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn .
Leaf Caterpillar: This bug can consume all the leaves of the plant in brief duration. The quality and yield of the seeds get decreased due to the heavy attack.
Control: This can be controlled by selecting the old larvae around the surface area and tossing away the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning sensation when enabled to exposure to skin as it produces particular chemical compound. Initially the pest crowded in the leaf and after that spread out all over the plant when it gets older.
Control: Manually, the bug can be eliminated only by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This bug is found primarily in tropical and subtropical areas. The bug targets the leaf and sucks 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 controlled by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite likewise assaults the leaf and makes the entire plant weak. The pest presence can be recognized when the leaf ended up being yellow-colored, diminishes, turns red and fall down. The bug can also be spread out through fallen leaves.
Control: Some preventive procedures can be simulated proper sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some awful pest which attacks flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a serious bug which attacks the plant during blossom period so the crop yield totally drops. This pest is seen around the tropical area.
The harmful enzyme in the plant shrinks the whole plant.
Control: Insecticides recommended for this bug is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The insects commonly occurs attacks the plant in blooming season and this pest is seen extensively 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 tips.
Control: Manually, the attacked seeds are suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
2
Pests Of Jatropha
Kellee Castello edited this page 7 days ago