Jatropha Curcas is acquiring value commercially as the demand of nonrenewable fuel sources increases greatly and also jatropha curcas is an eco-friendly energy plantation. Plantation of this plant is thought about to be an outstanding fuel replacement and it is also extremely cost-effective compared to other fuels. Recently, Jatropha is dealing with some difficulty with bugs and diseases. The bugs are classified into two ranges: Pest that affect young plants and Pest that impact grown plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is commonly known as Cut worm. This insect impacts 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 shrunk the plant entirely.
Control: This pest can be managed by picking the larva found around the plants or by mixing the bran, sawdust with insecticides.
Scarabaeid Beetle: This bug destroys the root of the young plant. Initially, the larva consumes the raw materials present in the soil and then concerns the root. The larva attack may kill the entire plant.
Control: The plant with good resistance power can conquer the pest. For heavy attack, insecticides with elements 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 might completely eliminate the plants.
Control: Insecticides are utilized to control the insects.
Grasshopper: This prevails pest found in a number of plants. Valanga nigricornis and Locusta migratoria commonly assaults the plant. The bug frequently attacks 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 harms the jatropha curcas stem and it is extensively seen in Indonesia. The stem attacked by this bug usually fall down. The existence can be determined by the larva penetration hole at the stem.
Control: The Insecticide usually used to manage 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 other words period. The quality and yield of the seeds get reduced due to the heavy attack.
Control: This can be managed by choosing the old larvae around the surface area and getting rid of the attacked leaves.
Needle Caterpillar: This caterpillar is with spines and produces a burning sensation when permitted to call with skin as it produces particular chemical substance. Initially the pest crowded in the leaf and then spread all over the plant when it ages.
Control: Manually, the insect 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 discovered mostly in tropical and subtropical regions. 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 pass away.
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 bug presence can be recognized when the leaf ended up being yellow-colored, diminishes, turns red and fall down. The bug can likewise be spread out through fallen leaves.
Control: Some preventive measures can be simulated appropriate sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some awful pest which assaults flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a serious insect which attacks the plant throughout bloom duration so the crop yield entirely drops. This insect is seen around the tropical area.
The toxic enzyme in the plant diminishes the whole plant.
Control: Insecticides recommended for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The bugs commonly occurs attacks the plant in flowering season and this insect is seen commonly in tropical regions. The female insect laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant pointers.
Control: Manually, the assaulted seeds are suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.
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Pests Of Jatropha
demetra05b1654 edited this page 2025-01-12 13:45:19 +02:00