Pollination biology of Albizia lebbeck (L.) Benth. (Fabaceae: Mimosoideae) with reference to insect floral visitors |
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| Authors: | Abdul Latif Saeed Ahmad Malik Shafqat Saeed Syed Muhammad Zaka Zahid Mahmood Sarwar Muqarrab Ali Muhammad Farooq Azhar Muhammad Javaid Muhammad Ishtiaq Unsar Naeem-Ullah Mamoona Naoreen Khalid Ali Khan Hamed A Ghramh Muhammad Ahmed Shahzad |
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| Institution: | 1. Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan 60800, Pakistan;2. Department of Environmental Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan;3. Department of Entomology, Muhammad Nawaz Sharif University of Agriculture, Multan 60000, Pakistan;4. Department of Entomology, Bahauddin Zakariya University, Multan 60800, Pakistan;5. Department of Agronomy, Muhammad Nawaz Shareef University of Agriculture, Multan 60000, Pakistan;6. Department of Forestry and Range Management, Bahauddin Zakariya University, Multan 60800, Pakistan;7. Pest Warning and Quality Control of Pesticides, Agriculture Department, Government of Punjab, Pakistan;8. Department of Zoology, The Women University, Multan 60800, Pakistan;9. Unit of Bee Research and Honey Production, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia;10. Biology Department, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia;11. Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia;12. Department of Statistics, Bahauddin Zakariya University, Multan 60800, Pakistan |
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| Abstract: | Indian siris, Albizia lebbeck (L.) Benth. (Fabaceae: Mimosoideae) has significant importance to human beings for its multipurpose use. Insects play a crucial role in the pollination biology of flowering plants. In the current study, we studied the pollination biology of A. lebbeck with special reference to insect floral visitors. The effectiveness of floral visitors was investigated in term of visitation frequency, visitation rate and pollen load during 2012 and 2013. In the second experiment, effect of pollinators on yield of A. lebbeck was studied in open and cage pollination experiments. Floral visitor fauna of A. lebbeck included eight-bees, two wasps, two flies, and two butterflies species. Among them, Apis dorsata, Apis florea, Amegilla cingulata, and Nomia oxybeloides had maximum abundance ranging from 349–492, 339–428, 291–342 and 235–255 numbers of individuals, respectively during two flowering seasons. A. dorsata had the highest visitation frequency (6.44 ± 0.49–8.78 ± 0.48 visits/flower/5min) followed by Amegilla cingulata (6.03 ± 0.43–7.99 ± 0.33 visits/flower/5min) and A. florea (3.61 ± 0.31–4.44 ± 0.18 visits/flower/5min). A. dorsata, N. oxybeloides, and Amegilla cingulata had the highest visitation rates (18.904 ± 1.53–11.43 ± 1.17 flower visited/min) and pollen load (15333 ± 336.22–19243 ± 648.45 pollen grains). The open pollinated flowers had significantly higher capsule weight (4.97 ± 0.21 g), seed weight (1.04 ± 0.05 g), seed numbers per pod (9.80 ± 0.34) and seed germination percentage (84.0 ± 1.78%) as compared to caged flowers. The results suggested bees especially A. dorsata, N. oxybeloides and Amegilla cingulata could be effective pollinators of A. lebbeck. |
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| Keywords: | Corresponding author at: Institute of Pure and Applied Biology Bahauddin Zakariya University Multan 60800 Pakistan Bees Floral visitors Open pollination Visitation frequency Visitation rate |
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