Effects of Shading on Carbohydrates of Syzygium samarangense

  • Ying JIAN South China Agricultural University, College of Horticulture, Guangzhou 510642
  • Guolin WU Zhuhai Modern Agricultural and Developmental Center, Zhuhai 519070
  • Donghui ZHOU Zhuhai Modern Agricultural and Developmental Center, Zhuhai 519070
  • Zhiqun HU South China Agricultural University, College of Horticulture, Guangzhou 510642
  • Zhenxuan QUAN South China Agricultural University, College of Horticulture, Guangzhou 510642
  • Biyan ZHOU South China Agricultural University, College of Horticulture, Guangzhou 510642
Keywords: carbohydrates; shading; wax apple

Abstract

Wax apple (Syzygium samarangense) is an important tropical fruit tree cultivated in Southeast Asian. It produces red pear-like shape fruits. The fruit flesh is considered high in antioxidants, phenolics, and flavonoids that have a potential to contribute to the human healthy diet, and was proved to have anti-inflammatory and antimicrobial characteristics. To allow year-round marketing of high quality wax apple fruit, growers always perform shading to inhibit new flushes so as to repress vegetative growth and promote reproductive growth. To investigate the effect of shading on carbohydrates, wax apple trees were shaded with sun shade nets under field conditions. The effects of shading on shoot growth were studied and leaf carbohydrate levels of the trees were determined. The results showed that shading inhibit the the growth of the terminal shoots and promoted bud dormancy. Shading also reduced total soluble sugar, sucrose, glucose, fructose, and starch levels of leaves. The results suggested that shading reduced carbohydrate accumulation and repressed vegetative growth.

 

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In press - Online First. Article has been peer reviewed, accepted for publication and published online without pagination. It will receive pagination when the issue will be ready for publishing as a complete number (Volume 47, Issue 4, 2019). The article is searchable and citable by Digital Object Identifier (DOI). DOI link will become active after the article will be included in the complete issue.

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Published
2019-11-29
How to Cite
JIAN, Y., WU, G., ZHOU, D., HU, Z., QUAN, Z., & ZHOU, B. (2019). Effects of Shading on Carbohydrates of Syzygium samarangense. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 47(4). https://doi.org/10.15835/nbha47411637
Section
Research Articles