Green rice leafhopper is scientifically known as Nephotettix virescens which causes discolouration of the leaves and also functions as a carrier for several viral diseases. They lay eggs on the leaves which feed on the foliage. These pests are harmful at all stages of its life.
Symptoms
The common symptoms of infestation of green rice leafhoppers include yellowish leaves, retarded or stunted growth, dried plants etc.
Preventive Measures
Avoid setting up nurseries near street lamps as it can promote the growth of insects. The nursery should also have 2.5 cm of water and use any kind of insecticide to keep a check on them.
Chemical Control
- Chess Insecticide is an effective control measure against rice hoppers and can control other pests like aphids at all its stages. This insecticide contains water-soluble granules made of 50% pymetrozine. It has a low impact on the environment and is safe for beneficial insects, as well as easy to use. The recommended dosage is 1- 1.5 gm per litre of water.
- Lara 909 Insecticide is a combination of pyrethroids and organophosphate that works through contact and stomach poisoning. It contains chlorpyrifos 50% and cypermethrin 5% which works on different types of insects. The dosage recommended is 300-400 ml.
- Anshul Laksh Insecticide affects the hyperthyroid of insects and works on a wider spectrum of pests. Technically it contains lambda-cyhalothrin 5% which works on insects that are resistant to other types of insecticides. The dosage to be used is 1 ml per litre.
- Anant Insecticide has a translaminar mode of action. It will comfortably get absorbed by the leaves and then spread across the different parts for wider coverage and protection. Chemically it contains thiamethoxam 25% which acts on the inside of the insects. It is economical and easy to use with longer effects. The dosage recommended is 0.3 gm per one litre of water and must be sprayed with an interval of 12-15 days for best results.
Conclusion
Most of the insects are resistant to older insecticides and they no longer work on them. These above-mentioned insecticides are effective against such resistant varieties for more effective control and long-term effects. These insecticides must be used with proper preventive measures. Using other integrated pest management systems could also be done along with this for the best results. Moreover, the insecticides chosen must be used as recommended along with the proper interval periods mentioned.
Note: The information contained herein is for informational purposes only. Nothing herein shall be construed to be financial or legal advice. Pesticides are a considerable risk of loss in crops and viewers are advised to do their own research before making any decisions.
