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cn report: Portuguese agrochemical company Ascenza recently revealed to AgroPages that it will launch a "precursor insecticide " in Brazil .
This agrochemical will be sprayed It is inactive and only works after being ingested by caterpillars .
The insecticide containing 150 g / L of indoxacarb , Gharda produced by India, will Ascenza distributors in Brazil
.
The product has a strong effect against pests and difficult-to-control species such as cotton looper (Chrysodeixis includens)
.
.
The product has a strong effect against pests and difficult-to-control species such as cotton looper (Chrysodeixis includens)
.
According to investigations, Brazil has currently approved the registration of 10 indoxacarb technical materials from seven companies, namely Fumashi, Adama, Longdeng, CHDS, CCAB, BIORISK, and Lemma
.
There are 8 registrations of preparations, involving five companies: Formica, Adama, Longdeng, CCAB, and BIORISK
.
.
There are 8 registrations of preparations, involving five companies: Formica, Adama, Longdeng, CCAB, and BIORISK
.
Clérison Régis Perini, agronomist, PhD, and entomology researcher at Proteplan Pesquisas e Assessoria Agrícola, said that after caterpillars consume the product, metabolic enzymes in their digestive tract convert indoxacarb into highly active N-decarboxyl metabolites, thereby Give full play to the powerful effects of insecticides
.
"The resulting metabolites become blockers of sodium channels in the pest's nervous system, causing paralysis and death," he explained
.
.
"The resulting metabolites become blockers of sodium channels in the pest's nervous system, causing paralysis and death," he explained
.
This insecticide containing indoxacarb is the result of master's and doctoral studies at the Laboratory of Integrated Pest Control (LabMIP) of the Federal University of Santa Maria in southern Brazil
.
Experiments were conducted on fields naturally infested by cotton bollworm (Helicoverpa armigera) and looper (C.
includens) in three seasons
.
The entomologist pointed out that indoxacarb has shown satisfactory control efficiency against both pests and is one of the three most effective insecticides for controlling caterpillars
.
.
Experiments were conducted on fields naturally infested by cotton bollworm (Helicoverpa armigera) and looper (C.
includens) in three seasons
.
The entomologist pointed out that indoxacarb has shown satisfactory control efficiency against both pests and is one of the three most effective insecticides for controlling caterpillars
.
In the process of cotton planting, caterpillars can damage cotton leaves, flower buds and flower bells
.
Among all leaf-eating pests, the looper is very prominent because of its harmfulness and difficulty in controlling with chemical insecticides
.
In order to evaluate the effect of the new product, Proteplan conducted a study in Mato Grosso State called "The efficiency of the insecticide Indoxacarb 15 SC Gharda to control cotton looper"
.
Only two applications of indoxacarb 7 days apart, the control rate of this pest can reach more than 90%
.
.
Among all leaf-eating pests, the looper is very prominent because of its harmfulness and difficulty in controlling with chemical insecticides
.
In order to evaluate the effect of the new product, Proteplan conducted a study in Mato Grosso State called "The efficiency of the insecticide Indoxacarb 15 SC Gharda to control cotton looper"
.
Only two applications of indoxacarb 7 days apart, the control rate of this pest can reach more than 90%
.
Dr.
Perini emphasized that due to the reproductive characteristics of these species and the large populations in the field, continuous monitoring of pests in crops is essential
.
"Such caterpillars reproduce very fast and require insecticide intervention to avoid damage to plant leaves and reproductive structures," he added
.
Perini emphasized that due to the reproductive characteristics of these species and the large populations in the field, continuous monitoring of pests in crops is essential
.
"Such caterpillars reproduce very fast and require insecticide intervention to avoid damage to plant leaves and reproductive structures," he added
.
The new product launched by Ascension to the market is an important tool for Datian, which has applied Bt technology
.
Bt technology has been successfully used for seeds used by many growers
.
By integrating different control methods, whether it is these Bt plants, chemical and biological pesticides, or pheromones, the sustainability of pest management in Bt crops can be achieved
.
"Therefore, the use of indoxacarb in combination with other methods will keep pests at a low level and reduce the possibility of resistant pests (outbreaks) such as Spodoptera frugiperda (which has produced resistance genes to the Bt toxin)
.
.
Bt technology has been successfully used for seeds used by many growers
.
By integrating different control methods, whether it is these Bt plants, chemical and biological pesticides, or pheromones, the sustainability of pest management in Bt crops can be achieved
.
"Therefore, the use of indoxacarb in combination with other methods will keep pests at a low level and reduce the possibility of resistant pests (outbreaks) such as Spodoptera frugiperda (which has produced resistance genes to the Bt toxin)
.
