Erwan Erwan
Faculty of Animal Science, Universitas Mataram. Jl. Majapahit No. 62, Mataram 83125, West Nusa Tenggara, Indonesia

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Enhances production of coffee (Coffea robusta): The role of pollinator, forages potency, and honey production from Tetragonula sp. (Meliponinae) in Central Lombok, Indonesia Bambang Supeno; Erwan Erwan; Agussalim Agussalim
Biodiversitas Journal of Biological Diversity Vol. 22 No. 10 (2021)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d221062

Abstract

Abstract. Supeno B, Erwan, Agussalim. 2021. Enhances production of coffee (Coffea robusta): The role of pollinator, forages potency, and honey production from Tetragonula sp. (Meliponinae) in Central Lombok, Indonesia. Biodiversitas 22: 4687-4693. The bees role as an agent of pollinators to improve the productivity of plants. This study was purposed to enhance coffee production (Coffea robusta) by roles of stingless bee Tetragonula sp. as pollinator agent, forages potency, and honey production. This study has been conducted in a coffee plantation in Lantan, Central Lombok, Indonesia. Several parameters were measured such as the number of bunches and flowers, production of nectar and pollen, sucrose nectar content, production of coffee, production of honey, honey stomach volume, and pollen weight. The results showed that the different observation time influenced the number of bunches, flowers, production of nectar and pollen, sucrose nectar content (P<0.01). The number of bunches ranged from 58.2 to 144.9 bunches/tree, the number of flowers 36.3 to 58.7 flowers/bunches, and 2,362.5 to 8.250.6 flowers/tree. Furthermore, the nectar production 9.16 to 33.85 g/tree, pollen production 1.72 to 5.95 g/tree, sucrose nectar content 20.6 to 35.0%. Estimation of coffee production before pollinated by Tetragonula sp. was 1,230.8 kg/ha, but after pollination by Tetragonula was increased it became 3,605.7 kg/ha (49.1%). Fruit production before pollinated by Tetragonula sp. was 2,127.2 fruit/tree, but after pollination by Tetragonula sp. increased to 8,309.2 fruit/tree (59.2%). Production of honey from Tetragonula sp. was 3.74 g/hive/5 months and in Apis cerana was 301.35 g/hive/5 months. It can be concluded that the Tetragonula sp. as an agent of pollinators can enhance the production of coffee and increase the biodiversity of coffee.
Honey quality from the bee Apis cerana, honey potency produced by coconut and sugar palm saps Erwan Erwan; Agussalim Agussalim
Biodiversitas Journal of Biological Diversity Vol. 23 No. 11 (2022)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d231139

Abstract

Abstract. Erwan, Agussalim. 2022. Honey quality from the bee Apis cerana, honey potency produced by coconut and sugar palm saps. Biodiversitas 23: 5854-5861. One of the big problems when keeping honeybees is the limited sustainable feed, especially in the rainy season. The objectives of this study were to evaluate the honey quality from the bee Apis cerana based on the chemical composition and honey potency produced by the coconut and sugar palm saps. This study using thirty colonies of the bee A. cerana was divided into six treatments consisting of sugar palm sap without sugar palm pollen, coconut sap without sugar palm pollen, coconut sap of 50% + sugar palm sap of 50% without sugar palm pollen, sugar palm sap was added by sugar palm pollen; coconut sap was added by sugar palm pollen; coconut sap of 50% + sugar palm sap of 50% was added by sugar palm pollen. The chemical composition of honey from the A. cerana was moisture (20.76 to 21.80%), reducing sugar (62.78 to 68.37%), sucrose (1.44 to 3.42%), diastase enzyme activity (5.17 to 9.04 DN), hydroxymethylfurfural (2.24 to 5.81 mg/kg), and acidity (26.00 to 36.33 mL NaOH/kg). Honey potency produced by the coconut and sugar palm saps in 100 hectares area produces honey was 1542.857 tons/year and 1150 tons/year, respectively. It can be concluded that the quality of A. cerana honey, produced by the sugar palm and coconut saps, is acceptable by the Indonesian national and international standards. The sugar palm and coconut saps have big potential as bee feed, especially for the bee A. cerana.
Comparison of productivity from three stingless bees: Tetragonula sapiens, T. clypearis and T. biroi managed under same feed sources for meliponiculture ERWAN ERWAN; HABIBURROHMAN HABIBURROHMAN; I KETUT GEDE WIRYAWAN; MUHAMMAD MUHSININ; BAMBANG SUPENO; AGUSSALIM AGUSSALIM
Biodiversitas Journal of Biological Diversity Vol. 24 No. 5 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d240553

Abstract

Abstract. Erwan, Habiburrohman, Wiryawan IKG, Muhsinin M, Supeno B, Agussalim. 2023. Comparison of productivity from three stingless bees: Tetragonula sapiens, T. clypearis and T. biroi managed under same feed sources for meliponiculture. Biodiversitas 24: 2988-2994. The productivity of stingless bee species is affected by the workers' population, especially the foragers' number, queen bee productivity, and the availability of plants as the nectar and pollen sources. The recent study aims to evaluate the productivity of three stingless bee species, Tetragonula sapiens (Cockerell, 1911), Tetragonula clypearis (Friese, 1908), and Tetragonula biroi (Friese, 1898), managed under the same feed sources for beekeeping in stingless bee (meliponiculture). Total of fifteen colonies and every five colonies per species of T. sapiens, T. clypearis, and T. biroi, respectively. The results showed that the different species of stingless bees highly affected the exit activities in the morning and afternoon and brood cell number (p<0.01). Furthermore, significant impacts on the honey pot number, production of honey and propolis (p<0.05) but not on the pollen pot number and the production of pot-pollen. Thus, productivity was characterized by honey pot number, brood cell number, and production of honey and propolis from the stingless bee of T. biroi was higher than T. sapiens and T. clypearis. However, the productivity of T. sapiens and T. clypearis was similar.