Effect of host plants on the biology of <i>Spodoptera litura</i> (F.)

Ramzan, Muhammad; Sultan, Yaqoob; Sabir, Muhammad Waqar; Haseeb-ur-Rehman,; Shafiq, Mamoon; Murtaza, Ghulam; Shahid, Muhammad; Umair, Muhammad; Asif, Hafiz Muhammad

doi:10.5958/0974-8172.2020.00090.5

Cited by 4 publications

(6 citation statements)

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“…The results of the current study will be helpful for future scientists in the applications of such chemicals against pests in laboratory and field conditions. Ramzan et al (2020a) reported similar findings.…”

Section: Resultssupporting

confidence: 68%

Biological and in vitro effects of Neem (Azadirachta indica) extract on second and third instar larvae of Spodoptera litura

et al. 2022

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Spodoptera litura is a major threat to agricultural crops all over the world including Pakistan. It has developed resistance to several chemicals, especially synthetic insecticides. Plant based chemicals like extracts may serve as suitable and alternative biocontrol methods for pests in the future. The current study was conducted to determine the biology of S. litura on cabbage and the effects of two botanicals i.e. Azadirachta indica and Eucalyptus globulus against 2nd and 3rd instar larvae in controlled conditions. The incubation period of pest was 3-4 days. The average mean developmental period of 1st, 2nd, 3rd, 4th, and 5th larval instar was 2.44±0.71, 2.32±0.74, 3.43±0.68, 2.76±0.80, and 2.40±0.79 days, respectively. The pre-ovipositional, and ovipositional period of females was 2.04-3.58 and 2.89-5.71 days respectively. The total life cycle of pests was 30.83-38.79 days. Significantly higher mortality of 2nd and 3rd instar larvae was recorded in A. indica. The percentage of mortality increased with an increase in treatment time.

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Section: Resultssupporting

confidence: 68%

Biological and in vitro effects of Neem (Azadirachta indica) extract on second and third instar larvae of Spodoptera litura

et al. 2022

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“…Our current study findings are almost similar to the previous study findings which were conducted by many researchers and scientists around the globe under controlled and open conditions. For example, Ramzan et al (2020b) reported similar findings that cabbage is the most suitable host or food for pest feeding and Ramzan et al (2020a) also reported similar results about host plants of S. litura. The male and female longevity on the artificial diet was 6.66±0.69 and The pre-oviposition, oviposition and post-ovipositional period of S. litura on cabbage were recorded as a minimum while maximum on an artificial diet as shown in Figure 1.…”

Section: Resultsmentioning

confidence: 71%

“…Many researchers use a variety of management techniques, including cultural, biological, and chemical ones, to eradicate this infamous pest on a national and international scale. Insecticides are one type of chemical control that is widely used either alone or in conjunction with other chemicals to control this pest, S. litura (Tuan et al, 2016;Ramzan et al, 2019;Ramzan et al, 2020a). Many farmers and researchers use both small-scale and large-scale applications of traditional insecticides as well as a variety of novel Biology of Spodoptera litura on natural and artificial diet under laboratory conditions chemical insecticides.…”

Section: Introductionmentioning

confidence: 99%

Biology of Spodoptera litura on natural and artificial diet under laboratory conditions

Hashmi

Nadeem²,

Aizaz³

et al. 2023

J Sci Agri

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Armyworm, Spodoptera litura (Lepidoptera; Noctuidae) is one of the most economically significant insect pests in global agriculture. The current study was performed to study the biology of S. litura under laboratory conditions. In the current study, the biological parameters of pests i.e., egg, larva, pupa and adult along with the duration were determined. The mean incubation period of pests on cabbage, maize and artificial diet was 2.86±0.33, 3.09 ± 0.12 and 3.97±0.77 days, respectively. S. litura had five instars. The mean developmental period of the first, second, third, fourth, fifth and sixth larval instar on cabbage was 3.44±0.11, 2.09±0.12, 4.11±0.12, 3.00±0.20, 6.68±0.23 and 5.94±0.18 days, respectively while 2.81±0.77, 3.55±0.33, 3.64±0.45, 4.43±0.71, 6.55±0.21 and 5.98±0.19 days on the maize, respectively. The mean developmental periods were 3.85±0.54, 3.45±0.63, 3.67±0.67, 4.37±0.82, 6.55±0.23 and 5.30±0.38 days of first, second, third, fourth, fifth and sixth larval instars on artificial diet, respectively. The mean total life period of S. litura was 33.43±5.86 days on cabbage and 34.79±6.95 days on maize while 35.98±7.86 days on an artificial diet. The longest developmental period of S. litura was recorded on the artificial diet while the minimum was on cabbage. The mean developmental period of pupa was 7.50±0.71 days on cabbage, 9.87±0.94 days on maize and 11.63±0.99 days on an artificial diet. Females were short-lived as compared to males. The pre-oviposition, oviposition and post-ovipositional period of S. litura on cabbage were recorded as a minimum while maximum on an artificial diet. The maximum number of eggs laid by females with the highest hatchability on cabbage followed by maize and artificial diet. An artificial diet was not good for pest development and growth as compared to a natural diet i.e., cabbage and maize. The findings will provide basic information about food pests which help in pest management.

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“…Spodoptera litura (Fabricius) is a serious insect pest next to the pod borer Helicoverpa armigera (Hubner) with high reproductive potential, and its adult moths have the ability to migrate a large distance [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

Entomopathogenic bacteria and fungi as eco-safe substitutes to chemical insecticides against leaf eating caterpillars of Spodoptera litura

Sharma,

Thakur,

Jhamta

et al. 2024

J App Biol Biotech

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The present study was carried out in laboratory conditions (25 ± 10°C and 70% humidity) for studying the bioefficacy of entomopathogenic fungi and Bacillus thuringiensis against Spodoptera litura using the leaf dip method. The insecticidal attributes of three different commercial bioinsecticides (Bacillus thuringiensis 0.5% W.P., Beauveria bassiana 1.0% W.P., and Metarhizium anisopliae 1.0% W.P.) at different concentrations (0.5, 1.0, and 1.5%) were evaluated against the 3rd and 4th larval instars of S. litura. The analysis of variance results revealed that the highest concentration (1.5% concentration) of B. thuringiensis against the 3rd instar larvae of S. litura caused a maximum 80 ± 0.28% larval mortality, followed by B. bassiana and M. anisopliae, which caused 72 ± 0.21 and 64 ± 0.20% larval mortality after 120 h exposure. The calculated median lethal concentration in probit analysis demonstrated the lowest median lethal concentration of 1.22/10 larvae (95% fiducial limit 4.71–11.45) in the 3rd instar larvae after 72 h. Similarly, in 4th instar larvae of S. litura, the highest concentration (1.5% concentration) of B. thuringiensis caused maximum 76 ± 0.23% larval mortality, followed by B. bassiana and M. anisopliae, causing 70 ± 0.21% and 64 ± 0.20% larval mortality after 120 h. The calculated median lethal concentration in probit analysis demonstrated the lowest LC50 = 1.59/10 larvae (95% FL: 1.08–2.36) in the 4th instar larvae after 72 h. Based on these studies, it was revealed that B. thuringiensis and B. bassiana showed maximum efficacy against S. litura larvae. Although M. anisopliae also exhibits insecticidal properties, all of these bioinsecticides can be used to manage the population of S. litura. These bioinsecticides can be included in integrated pest management programs as they do not pose any toxic hazards to the environment.

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Effect of host plants on the biology of Spodoptera litura (F.)

Cited by 4 publications

References 0 publications

Biological and in vitro effects of Neem (Azadirachta indica) extract on second and third instar larvae of Spodoptera litura

Biological and in vitro effects of Neem (Azadirachta indica) extract on second and third instar larvae of Spodoptera litura

Biology of Spodoptera litura on natural and artificial diet under laboratory conditions

Entomopathogenic bacteria and fungi as eco-safe substitutes to chemical insecticides against leaf eating caterpillars of Spodoptera litura

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