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All Journal Jurnal Planta Tropika JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Nurkomar, Ihsan
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Agriculture, Biological Sciences & Forestry

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The Potential of Telenomus remus Nixon (Hymenoptera: Scelinoidae) as Biocontrol Agent for the New Fall Armyworm S. frugiperda (Lepidoptera: Noctuidae) in Indonesia Sari, Adha; Buchori, Damayanti; Nurkomar, Ihsan
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 8, No 2 (2020)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2020.116.69-74

Abstract

The fall armyworm Spodoptera frugiperda is an emerging new pest species in several Asian countries including Indonesia. This pest can be a threat to Indonesian agriculture because this pest has been reported to cause many losses in other countries. As a preemptive and ecofriendly control strategy, a research to study the performance of Telenomus remus as potential biocontrol agent of this pest was done in laboratory scale. Research was done by exposing an adult female to 50 eggs of S. frugiperda in a cluster. We also exposed the female parasitoid to another 50 eggs of S. litura in a cluster for comparison since this parasitoid had been reported as S. litura egg parasitoid in Indonesia previously. Results showed that there are no difference in the numbers of parasitized eggs, parasitism rate, survival rates and percent females of T. remus reared from both S. frugiperda and S litura, which implies the effectiveness of T. remus as a candidate for bio control agent for S. frugiperda.
EFFECT OF HOST-LARVAL DIET ON THE HOST ACCEPTANCE AND HOST SUITABILITY OF THE EGG PARASITOID Telenomus remus NIXON (Hymenoptera: Scelionidae) ON Spodoptera frugiperda J. E. Smith (Lepidoptera: Noctuidae) Sari, Adha; Buchori, Damayanti; Nurkomar, Ihsan
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol. 21 No. 2 (2021): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jhptt.221158-165

Abstract

Effect of host-larval diet on the host acceptance and host suitability of the egg parasitoid Telenomus remus Nixon (Hymenoptera: Scelionidae) on Spodoptera frugiperda J. E. Smith (Lepidoptera: Noctuidae). The life history of parasitoids is an important factor that can determine their ability to attack a host. The type of food consumed by the host can affect the ability of parasitoids such as host searching behavior, host suitability and host acceptance. In this research, we evaluate the effect of the S. frugiperda larvae diet on its suitability of the eggs produced by the adults for the egg parasitoid Telenomus remus. The research was studied on two types of egg masses of S. frugiperda that obtained from the moths that fed with natural or artificial diet during their larval stages. Parasitoid was reared from both types of hosts. An egg mass consisting of 50 S. frugiperda eggs from both types of hosts was exposed to one egg parasitoid female for 24 hours. S. frugiperda eggs then were reared until the parasitoid adult emerged. Each experiment was repeated 20 times. Host acceptance was observed through the host parasitism rate and its parasitization. Meanwhile, the host suitability was observed through the sex ratio of the emerging parasitoids. The results showed that S. frugiperda eggs reared using artificial diet had a higher parasitism rate (99.33%) than those of natural diet (82.53%). In contrast, the level of parasitization of S. frugiperda eggs reared using natural diet was higher (78.30%) than those of artificial diet (48.34%) because the number of emerging T. remus from S. frugiperda eggs reared using natural diet was also higher than those of artificial diet. However, the sex ratio (F:M) of emerging T. remus from S. frugiperda eggs reared using both of diet was female biased.
The Potential of Telenomus remus Nixon (Hymenoptera: Scelinoidae) as Biocontrol Agent for the New Fall Armyworm S. frugiperda (Lepidoptera: Noctuidae) in Indonesia Sari, Adha; Buchori, Damayanti; Nurkomar, Ihsan
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 8, No 2 (2020)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2020.116.69-74

Abstract

The fall armyworm Spodoptera frugiperda is an emerging new pest species in several Asian countries including Indonesia. This pest can be a threat to Indonesian agriculture because this pest has been reported to cause many losses in other countries. As a preemptive and ecofriendly control strategy, a research to study the performance of Telenomus remus as potential biocontrol agent of this pest was done in laboratory scale. Research was done by exposing an adult female to 50 eggs of S. frugiperda in a cluster. We also exposed the female parasitoid to another 50 eggs of S. litura in a cluster for comparison since this parasitoid had been reported as S. litura egg parasitoid in Indonesia previously. Results showed that there are no difference in the numbers of parasitized eggs, parasitism rate, survival rates and percent females of T. remus reared from both S. frugiperda and S litura, which implies the effectiveness of T. remus as a candidate for bio control agent for S. frugiperda.
Co-Authors DAMAYANTI BUCHORI SARI, ADHA