Jatropha Curcas is acquiring significance commercially as the need of nonrenewable fuel sources increases enormously and also jatropha curcas is an environment-friendly energy plantation. Plantation of this plant is considered to be an outstanding fuel replacement and it is likewise very affordable compared to other fuels. Recently, Jatropha is dealing with some difficulty with pests and illness. The insects are categorized into two ranges: Pest that affect young plants and Pest that impact developed plants.
Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is frequently called Cut worm. This insect affects the seedlings and young jatropha curcas 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 insect can be managed by choosing the larva found around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This bug damages the root of the young plant. Initially, the larva takes in the present in the soil and then pertains to the root. The larva attack may kill the entire plant.
Control: The plant with great resistance power can get rid of the pest. For heavy attack, insecticides with parts carbosulfan and carbofuran can be used to eliminate the insect.
Army worm: Spodoptera litura presence can be recognized by biting in the leaves. The extreme infection could completely kill the plants.
Control: Insecticides are used to manage the pests.
Grasshopper: This is common bug found in a number of plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The insect often assaults the young plant.
Control: The insecticides used 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 assaulted by this insect typically fall down. The presence can be recognized by the larva penetration hole at the stem.
Control: The Insecticide normally utilized to control this insect is carbofuran.
Pest of leaf: The common insects observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This pest can consume all the leaves of the plant in short 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 and tossing away the assaulted leaves.
Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning experience when permitted to contact with skin as it produces particular chemical substance. Initially the pest crowded in the leaf and after that spread out all over the plant when it gets older.
Control: Manually, the insect can be eliminated only by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This bug is found mainly in tropical and subtropical regions. The pest targets the leaf and draws all the nutrients of the leaf and gets curls at the idea. Later, the entire leaf dry and pass away.
Control: The heavy attack can be managed by using insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite also assaults the leaf and makes the entire plant weak. The bug presence can be determined when the leaf become yellowish, diminishes, turns red and drop. The pest can likewise be spread out 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 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 during blossom period so the crop yield entirely drops. This pest is seen around the tropical area.
The poisonous enzyme in the plant shrinks the whole plant.
Control: Insecticides suggested for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The pests frequently takes place attacks the plant in blooming season and this insect is seen widely in tropical regions. The female bug laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant pointers.
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
retaheavener67 edited this page 2025-01-17 23:23:15 +00:00