Jatropha Curcas is acquiring importance commercially as the need of nonrenewable fuel sources increases greatly and also Jatropha is an environmentally friendly energy plantation. Plantation of this plant is considered to be an outstanding fuel replacement and it is likewise extremely affordable compared to other fuels. Recently, Jatropha is facing some problem with pests and diseases. The bugs are categorized into 2 varieties: Pest that impact young plants and Pest that affect developed plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is typically 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 area and this will diminished the plant completely.
Control: This bug can be managed by picking the larva discovered around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This pest 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 may eliminate the entire plant.
Control: The plant with great resistance power can overcome the bug. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to eliminate the insect.
Army worm: Spodoptera litura existence can be determined by biting in the leaves. The serious infection could totally eliminate the plants.
Control: Insecticides are used to manage the insects.
Grasshopper: This is typical bug discovered in numerous plants. Valanga nigricornis and Locusta migratoria extensively attacks the plant. The bug often attacks 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 damages the Jatropha stem and it is widely seen in Indonesia. The stem assaulted by this pest generally drop. The existence can be determined by the larva penetration hole at the stem.
Control: The Insecticide generally utilized to control this pest is carbofuran.
Pest of leaf: The common pests 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 short period. The quality and yield of the seeds get minimized due to the heavy attack.
Control: This can be managed by selecting the old larvae around the surface area and getting rid of the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns 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 then spread out all over the plant when it gets older.
Control: Manually, the insect can be eliminated just by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This pest 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 pointer. Later, the whole leaf dry and die.
Control: The heavy attack can be managed by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also assaults the leaf and makes the entire plant weak. The pest presence can be recognized when the leaf become yellow-colored, diminishes, reddens and fall down. The insect can likewise be spread out through fallen leaves.
Control: Some preventive procedures can be done like appropriate sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some terrible insect which attacks flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a major insect which attacks the plant throughout so the crop yield completely falls down. This insect is seen around the tropical area.
The toxic 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 insects typically happens attacks the plant in blooming season and this insect is seen commonly 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 ideas.
Control: Manually, the attacked seeds are recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.
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Pests Of Jatropha
Buck Allsop edited this page 2025-01-13 12:30:56 +01:00