Jatropha Curcas is gaining importance commercially as the demand of nonrenewable fuel sources increases tremendously 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 curcas is facing some trouble with insects and illness. The bugs are classified into 2 varieties: Pest that impact young plants and Pest that affect developed plants.
Young plant insects: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is frequently understood as Cut worm. This pest affects the seedlings and young Jatropha 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 entirely.
Control: This bug can be controlled by picking the larva discovered around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This pest destroys the root of the young plant. Initially, the larva consumes the organic matters present in the soil and then pertains to the root. The larva attack might eliminate the entire plant.
Control: The plant with great resistance power can conquer the bug. For heavy attack, insecticides with elements carbosulfan and carbofuran can be utilized to kill the bug.
Army worm: Spodoptera litura presence can be determined by biting in the leaves. The severe infection might entirely eliminate the plants.
Control: Insecticides are utilized to manage the pests.
Grasshopper: This is typical pest found in several plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The pest frequently 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 bug harms the jatropha curcas stem and it is widely seen in Indonesia. The stem attacked by this bug usually fall down. The existence can be identified by the larva penetration hole at the stem.
Control: The Insecticide normally utilized to control this insect is carbofuran.
Pest of leaf: The typical pests 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 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 discarding 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 particular chemical compound. Initially the bug crowded in the leaf and then spread all over the plant when it ages.
Control: Manually, the pest can be killed just 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 regions. The bug targets the leaf and draws all the nutrients of the leaf and gets curls at the suggestion. 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 also attacks the leaf and makes the whole plant weak. The pest existence can be recognized when the leaf become yellowish, shrinks, turns red and fall down. The bug can likewise be spread out through fallen leaves.
Control: Some preventive measures can be simulated correct sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.
Some terrible bug which assaults 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 throughout so the crop yield entirely falls down. This pest is seen around the tropical area.
The hazardous enzyme in the plant shrinks the whole plant.
Control: Insecticides recommended for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The insects typically happens attacks the plant in blooming season and this bug 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 suggestions.
Control: Manually, the assaulted seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
Phillip Evans edited this page 3 months ago