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Effect of Nectar Reabsorption on Plant Nectar Investment in Cerasus cerasoides


Affiliations
1 Yunnan Provincial Engineering and Research Center for Sustainable Utilization of Honey Bee Resources, Eastern Bee Research Institute, College of Food Science and Technology, Yunnan Agricultural University, Kunming, Yunnan 650 201, China
2 College of Resources and Environment, Yunnan Agricultural University, Kunming, Yunnan 650 201, China
3 Institute of Sericulture and Apiculture, Yunnan Academy of Agricultural Sciences, Mengzi, Yunnan 661 101, China
4 College of Landscape and Horticulture, Yunnan Agricultural University, Kunming, Yunnan 650 201, China
 

Flowering progress, floral morphology and nectar characteristics of Cerasus cerasoides were investigated from November 2011 to January 2012 in Kunming, Yunnan, China. We found that nectar removal had a positive effect on nectar production. The phenomenon of nectar reabsorption in C. cerasoides occurred at the end of the floral lifespan, on the tenth day after anthesis when allowing for nectar accumulation. A flower reabsorbs nectar when it has not been foraged, with the reabsorbed sugar content accounting for about 34% of the maximum sugar content. Therefore, nectar reabsorption can only reclaim a part of the energy allocated for nectar production.

Keywords

Cerasus cerasoides, Floral Morphology, Flowering Progress, Nectar Reabsorption.
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  • Effect of Nectar Reabsorption on Plant Nectar Investment in Cerasus cerasoides

Abstract Views: 355  |  PDF Views: 166

Authors

Kun Dong
Yunnan Provincial Engineering and Research Center for Sustainable Utilization of Honey Bee Resources, Eastern Bee Research Institute, College of Food Science and Technology, Yunnan Agricultural University, Kunming, Yunnan 650 201, China
Yan Dong
College of Resources and Environment, Yunnan Agricultural University, Kunming, Yunnan 650 201, China
Rui Su
Institute of Sericulture and Apiculture, Yunnan Academy of Agricultural Sciences, Mengzi, Yunnan 661 101, China
Jingli Zhang
College of Landscape and Horticulture, Yunnan Agricultural University, Kunming, Yunnan 650 201, China
Zhuo Qing
Yunnan Provincial Engineering and Research Center for Sustainable Utilization of Honey Bee Resources, Eastern Bee Research Institute, College of Food Science and Technology, Yunnan Agricultural University, Kunming, Yunnan 650 201, China
Xiaochen Yang
Yunnan Provincial Engineering and Research Center for Sustainable Utilization of Honey Bee Resources, Eastern Bee Research Institute, College of Food Science and Technology, Yunnan Agricultural University, Kunming, Yunnan 650 201, China
Xiaoxiao Ren
Yunnan Provincial Engineering and Research Center for Sustainable Utilization of Honey Bee Resources, Eastern Bee Research Institute, College of Food Science and Technology, Yunnan Agricultural University, Kunming, Yunnan 650 201, China
Yingbin Ma
Yunnan Provincial Engineering and Research Center for Sustainable Utilization of Honey Bee Resources, Eastern Bee Research Institute, College of Food Science and Technology, Yunnan Agricultural University, Kunming, Yunnan 650 201, China
Shaoyu He
Yunnan Provincial Engineering and Research Center for Sustainable Utilization of Honey Bee Resources, Eastern Bee Research Institute, College of Food Science and Technology, Yunnan Agricultural University, Kunming, Yunnan 650 201, China

Abstract


Flowering progress, floral morphology and nectar characteristics of Cerasus cerasoides were investigated from November 2011 to January 2012 in Kunming, Yunnan, China. We found that nectar removal had a positive effect on nectar production. The phenomenon of nectar reabsorption in C. cerasoides occurred at the end of the floral lifespan, on the tenth day after anthesis when allowing for nectar accumulation. A flower reabsorbs nectar when it has not been foraged, with the reabsorbed sugar content accounting for about 34% of the maximum sugar content. Therefore, nectar reabsorption can only reclaim a part of the energy allocated for nectar production.

Keywords


Cerasus cerasoides, Floral Morphology, Flowering Progress, Nectar Reabsorption.

References





DOI: https://doi.org/10.18520/cs%2Fv110%2Fi2%2F251-256