Biodiversity of Detritivores, Pollinators, and Neutral Insects on Surjan and Conventional Rice Field Ecosystems

Herdiawan, Wafa Sakti; Nurkomar, Ihsan; Trisnawati, Dina Wahyu

doi:10.2991/aer.k.210204.048

Cited by 4 publications

(5 citation statements)

References 12 publications

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“…However, the abundance of pests in both farming systems was relatively the same (Paired t-test, P=0.937) (Figure 4b). This result contrasts with our previous study in which there was no difference in the species richness of detritivores, pollinators, and neutral insect species in the Surjan paddy field, but their abundance was higher in that field (Herdiawan et al 2021).…”

Section: Resultscontrasting

confidence: 99%

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Agroecosystem complexity of Surjan and Lembaran as local farming systems effects on biodiversity of pest insects

TRISNAWATI¹,

NURKOMAR²,

ANANDA³

et al. 2022

Biodiversitas

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Abstract. Trisnawati DW, Nurkomar I, Ananda LK, Buchori D. 2022. Agroecosystem complexity of Surjan and Lembaran as local farming systems effects on biodiversity of pest insects. Biodiversitas 23: 3619-3629. Farming systems can influence the diversity and abundance of insect pests. This study was conducted to determine the effect of Surjan and Lembaran farming systems on the diversity and abundance of insect pests in Kulon Progo, Yogyakarta. The field survey was conducted in three Surjan paddy fields and three Lembaran paddy fields in Panjatan Subdistrict, Kulon Progo Regency. The sampling of pests was collected using four kinds of traps, such as sweeping net, yellow sticky trap, pitfall trap, and yellow pan trap. The traps were set twice in the vegetative phase and twice in the generative phase. The results showed that the abundance of pests in Surjan paddy fields was not different from that in Lembaran paddy fields. However, the number of pest species in Surjan paddy fields was higher than in Lembaran paddy fields. In addition, the structure and composition of pests in both farming systems were significantly different. Hemiptera was the most common insect in both farming systems, with dominant pest species of Nephotettix virescens and Nilaparvata lugens.

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Section: Resultscontrasting

confidence: 99%

“…In our previous study, the different configurations of Surjan and Lembaran paddy fields affect the biodiversity of detritivores, pollinators, and neutral insects (Herdiawan et al 2021). This generates an interesting question about the diversity of pests in both farming systems and whether the configuration affects the abundance.…”

Section: Introductionmentioning

confidence: 98%

Agroecosystem complexity of Surjan and Lembaran as local farming systems effects on biodiversity of pest insects

TRISNAWATI¹,

NURKOMAR²,

ANANDA³

et al. 2022

Biodiversitas

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“…Nowadays, the use of bioindicators has been progressively significant through determining the association between biotic factors and the abiotic, particularly the pesticide application to the rice field. The differences in pesticide application are assumed to affect the population dynamic of neutral insects [38]. The neutral insect population in Inpari 32 HDB was significantly less than in Inpari 42 GSR at 40 days of plant age or day zero (the day of first insecticides application).…”

Section: Resultsmentioning

confidence: 99%

Population Dynamic of Brown Plant Hopper, Predators and Neutral Insects in Irrigated Rice of Yogyakarta after Insecticides Application

Pustika¹,

Sudarmaji

Kobarsih³

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Brown Plant Hopper (BPH) infestation in irrigated rice agroecosystem resulted yield loss. The application of insecticides by farmers are usually excessive, reducing pest population and negatively affecting the predators. This research aimed to define the impact of insecticides on the population dynamic of BPH, predator and neutral insects which influenced rice yield. Research was conducted at Yogyakarta, Indonesia, during May to September 2021. Randomized Block using four replications was applied. Rice varieties Inpari 32 HDB and Inpari 42 GSR were planted. Insecticide with active ingredient spinetoram 120 g/l and triflumezopyrim 106 g/l were applied to the rice plant on day 40th then pimetrozin 50% was applied at day 50th. Results showed that BPH population was reduced from 30-50 nymph per 30 plants to 10 nymph at day 12th after pimetrozin 50% application or at the day 2nd after spinetoram and triflumezopyrim insecticides application until day 50th. In contrast, BPH population in all insecticide plants was significantly lower than in all control and did not increase until harvest. On the other side, predators such as Paederus sp and Coccinelids were not affected by all insecticides, except Ophionea sp, Spiders and Cythorinus sp. However, their population recovered at day 30th after first insecticides application. Within the fluctuated population of BPH, rice productivity of Inpari 32 HDB and Inpari 42 GSR applied with insecticides were 9.52 ton ha-1 and 10.60 ton ha-1, while Inpari 32 HDB control and Inpari 42 GSR control 9.44 ton ha-1 and 10.72 ton ha-1

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“…According to the findings of our previous research, surjan paddy fields impact the diversity of detritivores, pollinators, neutral insects, and pest insects (Herdiawan et al, 2021;Trisnawati et al, 2022b). As a result, it is essential to study the diversity of predators found in surjan's paddy fields to establish credible insights regarding the ecosystem's condition and the relationships between its components.…”

Section: Introductionmentioning

confidence: 89%

Diversity and community structure of predators in surjan (polyculture) and lembaran (monoculture) paddy fields

Trisnawati,

Nurkomar,

Antono

et al. 2024

J Trop Plant Pests Dis

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Predator diversity decreases because of low ecosystem quality in modern agriculture that applies monoculture systems. However, polyculture systems in paddy fields can improve biodiversity, including pests, natural enemies, and microorganisms. Surjan is a local polyculture farming practice that originated in Yogyakarta. This farming practice consists of raised beds for cultivating palawija or horticultural crops and sunken beds for rice cultivation. Surjan farming may have an impact on predatory diversity and abundance, although this has not been studied. To address this issue, research was carried out to investigate the diversity, abundance, and structure of the community of predators in the paddy fields of surjan (polyculture) and lembaran (monoculture). The field experiment was conducted in three pairs, surjan and lembaran, in Panjatan District, Kulon Progo Regency, Yogyakarta Special Region, Indonesia. In each field, five random plots arranged in a cross pattern were used to collect a sample of predators. Several traps, including sweeping, pitfall traps, yellow adhesive traps, and yellow pan traps, were used to determine the abundance and diversity of predators. Results showed that species diversity, abundance, species composition, and biodiversity index in surjan farming were significantly improved compared to lembaran farming. Ceratopogonidae and Formicidae were the most abundant families in both surjan and lembaran farming, although they are more abundant in surjan. It can be concluded from the study that surjan farming could improve ecosystem quality by implementing predators for pest management.

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Biodiversity of Detritivores, Pollinators, and Neutral Insects on Surjan and Conventional Rice Field Ecosystems

Cited by 4 publications

References 12 publications

Agroecosystem complexity of Surjan and Lembaran as local farming systems effects on biodiversity of pest insects

Agroecosystem complexity of Surjan and Lembaran as local farming systems effects on biodiversity of pest insects

Population Dynamic of Brown Plant Hopper, Predators and Neutral Insects in Irrigated Rice of Yogyakarta after Insecticides Application

Diversity and community structure of predators in surjan (polyculture) and lembaran (monoculture) paddy fields

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