Insecticidal activity of Wild Spikenard (Hyptis suaveolens L. Poit) on Adult Mortality and Female Oviposition of Groundnut Bruchid, Caryedon serratus Olivier on stored Groundnut Seeds and Tamarind pods

Oaya, C. S.; Malgwi, A. M.; Mohammed, I. Umar A.

doi:10.25081/rrst.2017.9.3369

Cited by 3 publications

(1 citation statement)

References 8 publications

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“…On the other hand, cultural control is the utilization of agronomics practices and multiple cropping to reduce insect population and increase the population of natural enemies in agroecosystem (Mahr & Dittl 1986;Parra 2014;Oaya et al 2017). The natural enemies usually used in agriculture are predators, parasitoids and pathogenic agents (Parra et al 2002).…”

Section: Biological and Cultural Pest Controlmentioning

confidence: 99%

Dynamics and pest and natural enemies dispersion in cowpea and colored cotton in sole or intercropping systems

Fernandes¹

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Cotton-cowpea intercropping system can be one of the most important practices for the increase of natural enemies and the reduction of pest numbers. This chapter was written aiming at the analysis of intercropping biomass, as well as arthropods relationship. Initially, a wide review was performed to give support to the development model in order to explain the biomass and the relationship between pest and natural enemies in sole or intercropping systems of cotton and cowpea. It was observed that several previously developed models as well as the model here proposed suggest that the increase in plant biomass and natural enemies depend on the pest number and cropping systems arrangement.

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Section: Biological and Cultural Pest Controlmentioning

confidence: 99%

Dynamics and pest and natural enemies dispersion in cowpea and colored cotton in sole or intercropping systems

Fernandes¹

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Impact of synthetic pesticides utilization on humans and the environment: an overview

Oaya¹,

Malgwi²,

Degri³

et al. 2019

AST

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Abstract. Pesticides are chemicals that kill or manage the population of pests. There are many different types of pesticides on the market today, but the most common are herbicides and insecticides, which kill or manage unwanted plants and insects. The benefits of pesticides include increased food production, increased profits for farmers and the prevention of diseases. Although pests consume or harm a large portion of agricultural crops, without the use of pesticides, it is likely that they would consume a higher percentage. More food is produced by farmers, thereby increasing profit. Pesticides also increase farm profits by helping the farmer save money on labor costs. Using pesticides reduces the amount of time required to manually remove weeds and pests from the fields. In addition to saving crops and livestock, pesticides have also had direct benefits to human health. It is estimated that since 1945, the use of pesticides has prevented the deaths of around seven million people by killing pests that carry or transmit diseases. Although there are benefits to the use of pesticides, there have also been many problems associated with their use. Pesticides do not always stay in the location where they are applied. They are mobile in the environment and often move through water, air and soil. The problem with pesticide mobility is that when they travel, the pesticides come in contact with other organisms and can cause harm. Pesticides have also been shown to disrupt the balance of an ecosystem. In many situations when a pesticide is used, it also kills non-pest organisms. This can drastically alter the natural balance of the ecosystem. By removing non-pest organisms, the environment can be changed to favor the pest. In addition to causing harm to wildlife, pesticides that travel from their original location are known to cause harm to humans. Human exposure to pesticides has caused poisonings, the development of cancer and the deaths of between 20000 and 40000 people worldwide each year. Another major problem associated with pesticide use is bioaccumulation and biological magnification. Bioaccumulation is when a substance builds up in the body because the body does not have the proper mechanisms to remove it. Many synthetic pesticides are not able to be broken down. Once they enter the body of an organism, they are permanently stored in the body tissue.

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Study on the biology of groundnut bruchid, Caryedon serratus Olivier [Coleoptera: Bruchidae] on stored groundnut in Ganye area, Adamawa State, Nigeria

Oaya¹

2020

AST

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Abstract. Study on the biology of groundnut bruchid, Caryedon serratus Olivier was carried out in the Laboratory of the Department of Agricultural Technology, Adamawa State College of Agriculture, Ganye, Adamawa State from June to September, 2015. The sex of the bruchid (male and female) was assigned the sub-treatment while the period of development was the main treatment and was replicated three times. The work considered the pre-oviposition stage, incubation stage, larval stage, pupal stage, adult stage and the total life cycle of the bruchid (male and female). The experiment was carried out under Laboratory conditions at 30-35°C temperature and 70-90% relative humidity. After the experiment was established, weekly counting of the total number of eggs laid was carried out at intervals. The results showed that, the mean developmental stages in both female and male bruchids were: 6.50 and 6.00 days; 17.00 and 18.00 days; 13.50 and 13.50 days; 12.00 and 13.50 days; 48.00 and 50.00 days for incubation stage, larval stage, pupal stage, adult stage and total life cycle of the bruchids, respectively. Moreover, the mean pre-oviposition and oviposition stages in female adult bruchid were 1.50 and 5.50 days, respectively.

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Insecticidal activity of Wild Spikenard (Hyptis suaveolens L. Poit) on Adult Mortality and Female Oviposition of Groundnut Bruchid, Caryedon serratus Olivier on stored Groundnut Seeds and Tamarind pods

Cited by 3 publications

References 8 publications

Dynamics and pest and natural enemies dispersion in cowpea and colored cotton in sole or intercropping systems

Dynamics and pest and natural enemies dispersion in cowpea and colored cotton in sole or intercropping systems

Impact of synthetic pesticides utilization on humans and the environment: an overview

Study on the biology of groundnut bruchid, Caryedon serratus Olivier [Coleoptera: Bruchidae] on stored groundnut in Ganye area, Adamawa State, Nigeria

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