Lignite fly ash as
eco-friendly insecticide.
Fly ash when dusted on vegetables and rice offers adequate protection against chewing and sucking pests.
THE LIGNITE and coal fly ash, which is considered as a nuisance in the thermal power plants and its environs, is a potential and eco-friendly insecticide. Dr. P. Narayanasamy, Professor of Entomology, Faculty of Agriculture, Annamalai University, Tamil Nadu says, it can be used to keep both the chewing and sucking pests of rice and vegetables at bay. It has found that more than 50 species of insect pests of various major crops were susceptible to fly ash treatment.
He has established that fly ash can be effectively used to manage the serious rice pests such as leaf folder, yellow caterpillar, spiny beetle, ear head bug, brown bug, black bug and grasshoppers. Even sucking pests such as brown plant hopper (BPH) and green leafhopper (GLH) are also eliminated when fly ash liquid diet is fed, according to Narayanasamy. Scientists from other research centres have also proved that the fly ash could be effectively used to ward off pests of vegetables such as brinjal, bhendi, tomato and cauliflower.
For rice, the dust formulation has to be applied on 30th, 40th, 50th and 60th days after transplanting. A dose of 40 kg per hectare is recommended for effective control of the pests. The same dose is recommended for the vegetables such as brinjal, bhendi and tomato, but the time of application varies with the crop. For instance, it has to be applied on 20th, 35th, 50th and 65th days after sowing in the case of bhendi. For brinjal, the fly ash should be dusted on 35th 50th, 65th and 80th days after transplanting. In the case of tomato, the dust formulation should applied on the 30th, 45th, 50th and 75th days after transplanting.
Fly ash can be used as an additive in the preparation of fungal bio-pesticides to control BPH and GLH. It has been found to induce resistance in rice against BPH and GLH. It protects stored paddy from the red flour beetle infestation, and guards the field population of friendly insects, which are natural enemies of rice pests.
Fly ash has also been found to interfere with the mouthparts and digestive system of the larvae of crop pests and help in eliminating them. In addition to being an insecticide, fly ash can be used as a soil amendment in light porous soils, and as a micronutrient provider for deficient soils. Fly ash can be used as conditioner to arrest soil erosion, and to induce plant resistance against diseases such as the blast fungus of rice.
(Courtesy- The Hindu)
New generation chemical Imidacloprid for cotton sucking pests
In rainfed cotton, during the early stages of crop growth, sucking pests viz. Leaf hopper, aphids and thrips cause serious damage leading to stunted growth, curling, crinkling and shrivelling of leaves which ultimately leads to the death of the plant.
more info...
Nurelle-D: to control Heliothis
Nurelle-D is the result of years of research. It is specially developed by Dow Elanco (USA) and NOCIL (India). Faster knock down.
more info...
Herlban : a biological insecticide
Nirmal Seeds Ltd., Pachora has introduces Helban, the biological insecticide which works on the principle of IPM. Nuclear Polyhydrosis Virus (NPV) has been effectively used to eliminate Helocovarsha armiyera commonly called as American Pod Borer.
more info...
Insects to control pests
A British company has launched a new product, which uses lacewing larvae to kill aphids of plants. The product is called Aphidead and made by Insect Investigations Ltd. These larvae can consume several hundred aphids during their development. The lacewing larvae are voracious predators. They are also highly mobile, allowing them to cross from plant to plant searching for their prey. Once captured, the prey is held in the sickle like mandibles of the larvae and devoured. They eat many prey species including aphids, whitefly, spider mites and thrips.
Dunet: Carbonate insecticide
Dhanuka Pesticides Limited launched Dunet, a highly potent, board spectrum, carbonate insecticide which can be used for crops like red gram, cotton, brinjal, okra, cabbage, chillies and pigeon pea.
more info...
Nukil : pesticide
Nukil is a new pesticide launched by Dhanuka Pesticides Limited, which is composed of carbon, hydrogen and oxygen only.
more info...
Caldon
Caldon, manufactured by Dhanuka Pesticides Ltd., is used predominantly for paddy and vegetables like brinjal, cabbage, cauliflower, mustard, potato, pulses etc.
more info...
Agri.
Yellow Pages
Resources
(Insecticides)
