Jatropha Curcas is getting significance commercially as the need of nonrenewable fuel sources increases greatly and likewise jatropha curcas is an environment-friendly energy plantation. Plantation of this plant is considered to be an exceptional fuel replacement and it is also very affordable compared to other fuels. Recently, Jatropha is facing some difficulty with pests and diseases. The bugs are categorized into 2 varieties: Pest that impact young plants and Pest that affect grown plants.
Young plant insects: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is typically referred to 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 and this will diminished the plant completely.
Control: This bug can be managed by picking the larva discovered around the plants or by mixing the bran, sawdust with insecticides.
Scarabaeid Beetle: This pest destroys the root of the young plant. Initially, the larva consumes the raw materials present in the soil and then comes to the root. The larva attack might eliminate the entire plant.
Control: The plant with excellent resistance power can overcome the insect. For heavy attack, insecticides with elements carbosulfan and carbofuran can be utilized to kill the bug.
Army worm: Spodoptera litura existence can be recognized by biting in the leaves. The serious infection might totally kill the plants.
Control: Insecticides are used to control the bugs.
Grasshopper: This prevails bug discovered in a number of plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The pest 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 bug harms the Jatropha stem and it is commonly seen in Indonesia. The by this pest generally drop. The presence can be identified by the larva penetration hole at the stem.
Control: The Insecticide typically utilized to manage 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 simply put duration. The quality and yield of the seeds get reduced due to the heavy attack.
Control: This can be managed by picking the old larvae around the surface area and discarding the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning sensation when allowed to call with skin as it produces certain chemical substance. Initially the pest crowded in the leaf and then spread all over the plant when it gets older.
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 bug is discovered mainly 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 using insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite likewise assaults the leaf and makes the entire plant weak. The insect existence can be identified when the leaf become yellow-colored, diminishes, turns red and fall down. The bug can likewise be spread through fallen leaves.
Control: Some preventive procedures can be done like correct sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some dreadful pest which attacks flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a severe pest which attacks the plant throughout blossom duration so the crop yield entirely falls down. This pest is seen around the tropical region.
The hazardous enzyme in the plant diminishes the whole plant.
Control: Insecticides recommended for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The pests frequently happens attacks the plant in blooming season and this bug is seen widely 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 ideas.
Control: Manually, the attacked seeds are suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.
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Pests Of Jatropha
Jovita Nolan edited this page 1 month ago