Pollinator Diversity and Pollination Efficiency of Stingless Bee Tetragonula iridipennis Smith in Bitter Gourd

Authors

  • K. Balaji Department of Agricultural Entomology, Agricultural College and Research Institute, Madurai, Tamil Nadu Agricultural University (TNAU), Coimbatore 641003, Tamil Nadu
  • J Jayaraj Department of Agricultural Entomology, Agricultural College and Research Institute, Madurai, Tamil Nadu Agricultural University (TNAU), Coimbatore 641003, Tamil Nadu
  • M Shanthi Centre for Plant Protection Studies, TNAU, Coimbatore 641003, Tamil Nadu
  • S Vellaikumar Centre for Plant Molecular Biology and Biotechnology, TNAU, Coimbatore 641003, Tamil Nadu
  • C Rajamanickam Horticulture College and Research Institute, Periyakulam, TNAU, Coimbatore 641003, Tamil Nadu
  • N Chitra Department of Agricultural Entomology, Centre for Plant Protection Studies, TNAU, Coimbatore 641003, Tamil Nadu
  • K Suresh Krishi Vigyan Kendra, Agricultural College and Research Institute, Madurai, TNAU, Coimbatore 641003, Tamil Nadu

DOI:

https://doi.org/10.55446/IJE.2023.1650

Keywords:

Tetragonula iridipennis, bitter gourd, pollinator imposed, floral visitor, relative abundance, foraging rate, pollination efficiency, frequency of visit, diurnal variations, fruit set, fruit length, girth, number of fruit

Abstract

An experiment was conducted out to investigate the pollinator diversity and pollination efficiency of Tetragonula iridipennis Smith on bitter gourd (Momordica charantia L.). In this study, there were 16 floral visitor species were recorded. Among them, six species were the most frequent visitors. A highest mean of visits was recorded with Halictus sp. (7.80) during 1000-1200 hrs in relative abundance and the lowest was of Megachile sp. (2.90) at 1600-1800 hrs. The foraging rate of stingless bees was most active in morning 1000-1200 hrs. The maximum fruit set was observed in pollinator-imposed fields (80.23 %) compared to pollinator excluded fields (71.15 %). Prominent increase in fruit length and girth in the pollinator included plots were respectively observed to be 249.19 and 42.91 mm. Maximum number of fruit/ individual plant (24.10) was achieved with bee pollination as compared to control (21.20).

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Published

2023-10-03

How to Cite

Balaji, K., Jayaraj, J., Shanthi, M., Vellaikumar, S., Rajamanickam, C., Chitra, N., & Suresh, K. (2023). Pollinator Diversity and Pollination Efficiency of Stingless Bee <i>Tetragonula iridipennis</i> Smith in Bitter Gourd. Indian Journal of Entomology, 1–4. https://doi.org/10.55446/IJE.2023.1650

Issue

Online First

Section

Research Communications
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Europe PMC

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