Jatropha jatropha curcas is getting value commercially as the demand of fossil fuels increases greatly and also Jatropha is an eco-friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel replacement and it is likewise extremely affordable compared to other fuels. Recently, jatropha curcas is dealing with some trouble with bugs and illness. The insects are classified into two ranges: Pest that affect young plants and Pest that affect grown plants.
Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is frequently called Cut worm. This bug 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 completely.
Control: This insect can be managed by selecting the larva discovered around the plants or by mixing the bran, sawdust with insecticides.
Scarabaeid Beetle: This pest damages the root of the young plant. Initially, the larva takes in the raw materials present in the soil and then pertains to the root. The larva attack might kill the entire plant.
Control: The plant with excellent resistance power can overcome the bug. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to eliminate the bug.
Army worm: Spodoptera litura presence can be identified by biting in the leaves. The severe infection could entirely kill the plants.
Control: Insecticides are utilized to manage the bugs.
Grasshopper: This prevails bug discovered in several plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The pest typically assaults the young plant.
Control: The insecticides utilized betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.
Pest observed in mature plants:
Pest of Stem: Ostrinia furnacalis, Xyleborus spp.
Ostrinia furnacalis and Xyleborus: This pest harms the jatropha curcas stem and it is widely seen in Indonesia. The stem assaulted by this bug normally fall down. The existence can be identified by the larva penetration hole at the stem.
Control: The Insecticide normally utilized to manage this pest is carbofuran.
Pest of leaf: The typical pests observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This bug can eat all the leaves of the plant in brief duration. The quality and yield of the seeds get minimized due to the heavy attack.
Control: This can be controlled by choosing the old larvae around the surface area and discarding the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning experience when permitted to call with skin as it produces particular chemical compound. Initially the bug crowded in the leaf and after that spread all over the plant when it ages.
Control: Manually, the pest 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 discovered primarily in tropical and subtropical areas. The insect targets the leaf and draws all the nutrients of the leaf and gets curls at the suggestion. Later, the whole leaf dry and die.
Control: The heavy attack can be controlled by using insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite likewise assaults the leaf and makes the entire plant weak. The pest existence can be recognized when the leaf ended up being yellow-colored, shrinks, turns red and fall down. The insect can likewise be spread out through fallen leaves.
Control: Some preventive measures can be simulated appropriate 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 serious pest which assaults the plant throughout blossom period so the crop yield totally drops. This pest is seen around the tropical area.
The poisonous 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 insects commonly occurs attacks the plant in blooming season and this insect is seen extensively in tropical areas. 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 suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.
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Pests Of Jatropha
jeanaguardado2 edited this page 2025-01-12 02:09:35 +08:00