Relative abundance of stem borer species and natural enemies in rice ecosystem at Madhupur, Tangail, Bangladesh

Rahaman, Muhammad Matiar; Islam, K. S.; Jahan, Mahbuba; Mamun, M. A. A.

doi:10.3329/jbau.v12i2.28681

Cited by 22 publications

(14 citation statements)

References 3 publications

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“…The population of the host egg group was directly proportional to the high level of parasitoid parasitation. This was consistent with Rama et al (2013) report finding that the level of parasitoid egg parasitization would increase with an increasing population of the host egg group, as well as Rahaman et al (2014) which states that the highest S. incertulas population is in the puppi es st age, but yi el d l osses due t o S. incertulas attacks could still be compensated because of the ongoing formation of tillers.…”

Section: Parasitic Level Of Parasitoidsupporting

confidence: 91%

Inventory And Potential Of Yellow Rice Stem Borer (Scirpophaga incertulas Walker) Parasitoid In Rice Plantation (Oryza sativa L) In Three Villages, Lima Puluh Regency, Batubara District, Northern Sumatra

2020

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Yellow rice stem borer (YRSB), Scirpophaga incertulas Walker, often causes decreased of rice production. One of the pest controlling of YRSB used based on the concept of IPC (integrated Pest Control) was biological control using egg parasitoids. The purpose of this research was to find out the inventory and potential of parasitoids of eggs in yellow rice stem borer (S. incertulas) on rice cultivation at 3 locations (Kuala Gunung Village, Cahaya Pardomuan Village, and Air Hitam Village) in Lima Puluh Sub-District, Batubara Regency, Northern Sumatra. The study used a survey method by taking samples of groups of eggs by purposive sampling on rice cultivation. Egg clusters are kept for several days until the parasitoids appear. Parasitoid that appeared was preserved in a bottle containing 70% alcohol, then identification was carried out at the Pest Laboratory of Departmemt of Agrotechnology, Faculty of Agriculture, University of Sumatera Utara. This research was conducted from March to September 2019. The results obtained by 3 Parasitoid families were identified, such as Eulophidae, Scelionidae, and Trichogrammatidae. Parasitoid level and parasitoid dominance index were higher in the non-insecticide treatment compared to the insecticide treatment. The highest parasitic rate (41.78%) of the Eulophidae family and the lowest (0.00%) of the Trichogrammatidae family. The highest parasitoid dominance index (0.67) was found in the Eulophidae family and lowest (0) in the Trichogrammatidae family. The distribution pattern of the Eulophidae family was grouped, the Trichogrammatidae family was regular while the Scelionidae family was different for each village. Our prediction, the research will be useful for future.Keywords: Rice, Scirpophaga incertulas, parasitoid, parasitation Level, dominance, distribution pattern.

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Section: Parasitic Level Of Parasitoidsupporting

confidence: 91%

Inventory And Potential Of Yellow Rice Stem Borer (Scirpophaga incertulas Walker) Parasitoid In Rice Plantation (Oryza sativa L) In Three Villages, Lima Puluh Regency, Batubara District, Northern Sumatra

2020

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“…DHB was found to have least occurrence in both the seasons (4.29-7.18%) (Ragini et al 2000). The relative abundance of stem borer species and their natural enemies revealed that, YSB was dominant followed by DHB, PSB, white stem borer and striped stem borer (SSB) (Rahaman et al, 2014). Akhter et al (2015) reported that, YSB and WSB were dominant from mid-March to May and from August to mid-October, while PSB was dominant from September to first week of April which is in line with the present findings of PSB in Rabi.…”

Section: O N L I N E C O P ÿsupporting

confidence: 90%

“…2 and 3). The data subjected to regression analysis 2 confirmed the increased effect of temperature (R = 0.75%), Considering rice stem borer, YSB, PSB, DHB, SSB and WSB have been reported to occur in South -East Asia (Rahaman et al, 2014). Among these, YSB is the widely distributed and predominantly occurring species than other stem borer species in rice ecosystem.…”

Section: Ethical Approval: Not Applicablementioning

confidence: 59%

Influence of abiotic factors on stem borer incidence and species distribution in rice (Oryza sativa L.)

Sharmitha¹,

Justin²,

Roseleen³

2021

JEB

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Aim: To evaluate the effect of abiotic factors such as temperature, relative humidity, wind velocity, sunshine hours and rainfall on the distribution and relative abundance of stem borer species in rice ecosystem. Methodology: Seasonal incidence of stem borer species was monitored using light trap catches and were correlated with the weather parameters. The relative abundance of stem borer species during Kharif and Rabi was estimated based on light trap catches and larval incidence. Results: Seasonal incidence revealed the occurrence of three stem borer species (yellow stem borer, pink stem borer and dark headed borer) populations in rice ecosystem. Yellow stem borer was found to dominate in rice ecosystem during Kharif, (80.61%) whereas during Rabi, pinkstem borer was found to be dominant (72.60%) than yellow stem borer (21.92%) and dark headed borer (5.48%). Weather parameters such as temperature, rainfall and wind velocity negatively influenced the occurrence of stem borer species in rice, whereas relative humidity and sunshine hours had positive effect. Regression analysis revealed the increased effect of abiotic factors such as temperature, relative humidity and wind velocityon the population of pink stem borer against yellow stem borer and dark headed borer. Interpretation: The present study reveals that, the change in weather parameter during seasons, such as temperature (25 - 27°C), relative humidity (69 - 80 %) and wind velocity (3 - 4 km hr-1) increased the fitness of pink stem borer species population than yellow stem borer and dark headed borer species in rice ecosystem, which was evidenced by the occurrence and relative abundance of pink stem borer population during Kharif 2018 and Rabi 2019 respectively.

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“…More than 100 species of insects including 20 economic pests are capable of causing notable damage to rice plants [4]. Insect pests continue to pose threat to rice farming since rice plants serve as their host plants [5].…”

Section: Background Of Brown Plant-hoppermentioning

confidence: 99%

A Review on Brown Planthopper (Nilaparvata lugens Stål), a Major Pest of Rice in Asia and Pacific

Iamba

Dono

2021

AJRCS

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Rice (Oryza sativa L.) is the most important staple food in the world including Asia and Pacific. Millions of people around the world depend on rice due to the high calories and economic returns it provides. More than 100 species of insects including 20 economic pests are capable of causing notable damage to rice plants. Insect pests continue to pose threat to rice farming since rice plants serve as their host plants. Pests are major constraints to rice production and coexist with rice growth. Information on pest economic importance, description, biology, distribution, economic threshold level, population dynamics, monitoring and forecasting is a prerequisite. This review is focused on brown planthopper (Nilaparvata lugens Stål) which is an important economic rice pest that are prevalent in tropical rice growing regions. Brown planthopper (BPH) is a serious pest of rice and has tremendous impact especially in Asia-Pacific region. Understanding the biology and ecology of this pest will enhance the designing, formulation and utilization of effective control measures. The control strategies as stipulated by integrated pest management (IPM) should be eco-friendly with minimum use of synthetic pesticides while boosting the activities of natural enemies and other biological control agents. The control measures discussed in this paper are oriented towards the cultural and biological aspects of managing the pest.

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Relative abundance of stem borer species and natural enemies in rice ecosystem at Madhupur, Tangail, Bangladesh

Cited by 22 publications

References 3 publications

Inventory And Potential Of Yellow Rice Stem Borer (Scirpophaga incertulas Walker) Parasitoid In Rice Plantation (Oryza sativa L) In Three Villages, Lima Puluh Regency, Batubara District, Northern Sumatra

Inventory And Potential Of Yellow Rice Stem Borer (Scirpophaga incertulas Walker) Parasitoid In Rice Plantation (Oryza sativa L) In Three Villages, Lima Puluh Regency, Batubara District, Northern Sumatra

Influence of abiotic factors on stem borer incidence and species distribution in rice (Oryza sativa L.)

A Review on Brown Planthopper (Nilaparvata lugens Stål), a Major Pest of Rice in Asia and Pacific

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