Resistance Inheritance of Plutellaxylostella Population to Residual of Emamectin Benzoat

Tarwotjo, Udi; Rahardian, Rully

doi:10.15294/biosaintifika.v9i1.8048

Cited by 2 publications

(2 citation statements)

References 9 publications

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“…This diagnostic concentration can also be detected in the presence of inherited resistance. According to Tarwotjo & Rahadian (2017), the involvement of genes or several genes in hereditary resistance affects the level of resistance characteristics in the population.…”

Section: Introductionmentioning

confidence: 99%

Resistance Monitoring of Nilaparvata lugens Stall against Pymetrozine Insecticide with Determination of Diagnostic Concentrations

2021

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Nilaparvata lugens Stall is one of the main insect pests on rice crops. Intensive control of this pests using insecticides has resulted in the development of insect resistance. This study aimed to find out the level of resistance of the N. lugens population to pymetrozine insecticides by determining the diagnostic concertations. N. lugens was collected from five endemic areas in Central Java Province from October 2019 to June 2020. The data from the bioassay test were analyzed with probit analysis to obtain the LC50 value. The results of the sensitivity test showed that the Kajen population has the highest RF value (2.47), while the Karanganyar population which has the lowest RF value (1) was the most sensitive population. The determined diagnostic concentration was LC95 = 25.52 ppm with the lowest concentration limit of 7.67 ppm and the highest of 30.05 ppm. To conclude, the determined diagnostic concentration (LC95 = 25.52 ppm) is effective for detecting the susceptibililty of N. lugens population. This finding would be beneficial for monitoring resistance of N. lugens population against pymetrozine insecticides in the field.

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Section: Introductionmentioning

confidence: 99%

Resistance Monitoring of Nilaparvata lugens Stall against Pymetrozine Insecticide with Determination of Diagnostic Concentrations

2021

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“…There are four different methods to control the insect pests including chemical, mechanical, physical and biological pest-control methods (Indriyanti et al, 2017). The chemical method uses pesticides (Tarwotjo & Rahardian, 2017) and pheromones (Samudra, 2006). Mechanical and physical control can be done by collecting and killing the cockroach larvae in the soil.…”

Section: Introductionmentioning

confidence: 99%

Efficacy Test on Some Entomopathogenic Bacterial Isolates of the Periplaneta americana and Blatella germanica Cockroaches (Orthoptera) at Laboratory Scale

et al. 2018

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Cockroach is one of insects which plays a role as a disease vector, causing negative impacts to human health. Controlling cockroach by using excessive insecticide adds residue to the environment and strengthens its resistance toward insecticides. The objective of this research was to implement and evaluate the alternative use of biological control agent, such as entomopathogenic bacteria against two types of cockroach. In this study, three entomopathogenic bacterial isolates derived from dead Spodoptera litura pupa and Bacillus thuringiensis were employed. The test was performed by administering spraying and baiting methods at cell concentration of 108 CFU/ml. The results showed that three entomopathogenic bacterial isolates used in this study affected cockroach mortality. The result of morphological observation and Postulate Koch test showed that cockroach mortality was caused by the bacterial isolates. The spraying method on BLSP4 bacterial isolate contributed to the highest mortality rate by 80% to the Blatella germanica. Meanwhile, in the baiting method, the isolate of B. thuringiensis caused the highest mortality to the Periplaneta americana by 10%. Based on the mortality period, it can be recognized that BLSP4 treatment with spraying method affected the mortality of B. germanica effectively within 2 hours 30 minutes 46 seconds. An important finding in this study was that BLSP4 bacteria has been known potential for controlling cockroach using spraying method. The result of this study provides insights that BLSP4 bacteria can be used as a new alternative for controlling cockroach and generally in pest management.

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Resistance Inheritance of Plutellaxylostella Population to Residual of Emamectin Benzoat

Cited by 2 publications

References 9 publications

Resistance Monitoring of Nilaparvata lugens Stall against Pymetrozine Insecticide with Determination of Diagnostic Concentrations

Resistance Monitoring of Nilaparvata lugens Stall against Pymetrozine Insecticide with Determination of Diagnostic Concentrations

Efficacy Test on Some Entomopathogenic Bacterial Isolates of the Periplaneta americana and Blatella germanica Cockroaches (Orthoptera) at Laboratory Scale

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