Effects of shading on photosynthetic characteristics of wax apple leaves

Authors

  • Dongyu SUN College of Horticulture, South China Agricultural University, Guangzhou 510642 (CN)
  • Xincheng CAI College of Horticulture, South China Agricultural University, Guangzhou 510642 (CN)
  • Caizhu HU College of Horticulture, South China Agricultural University, Guangzhou 510642 (CN)
  • Ali ANWAR College of Horticulture, South China Agricultural University, Guangzhou 510642 (CN)
  • Yinyan YANG College of Horticulture, South China Agricultural University, Guangzhou 510642 (CN)
  • Yunqi DU College of Horticulture, South China Agricultural University, Guangzhou 510642 (CN)
  • Shangli ZHU College of Horticulture, South China Agricultural University, Guangzhou 510642 (CN)
  • Guolin WU Zhuhai Modern Agricultural and Developmental Center, Zhuhai 519070 (CN)
  • Biyan ZHOU College of Horticulture, South China Agricultural University, Guangzhou 510642 (CN)

DOI:

https://doi.org/10.15835/nbha52113367

Keywords:

chlorophyll contents, flowering, photosynthetic characteristics, shading, wax apple

Abstract

The wax apple (Syzygium samarangense) is a highly valuable fruit species in Southeast Asia. To regulate the fruiting season, shading is commonly used to induce flowering in wax apple. However, the effects of shading on the growth of wax apple is not well understood. To address this, we conducted a study analyzing the photosynthetic characteristics of wax apple leaves under 40% and 90% shading rates. Our findings revealed that shading had a significant impact on the photosynthesis and branching tip development of wax apple. During shading treatments, the chlorophyll contents of the leaves increased to enhance light absorption efficiency. In the 40% shading treatment, the primary factor causing the decrease in net photosynthetic rate was stomatal limitation, while in the 90% shading treatment, both stomatal and non-stomatal limitations contributed to the decrease in net photosynthetic rate. These results are indications that sheading plays a key role in chlorophyll and photosynthesis in wax apple. These results will have led to a new research direction for genetic crop improvement.

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Published

2024-02-12

How to Cite

SUN, D., CAI, X., HU, C., ANWAR, A., YANG, Y., DU, Y., ZHU, S., WU, G., & ZHOU, B. (2024). Effects of shading on photosynthetic characteristics of wax apple leaves. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 52(1), 13367. https://doi.org/10.15835/nbha52113367

Issue

Vol. 52 No. 1 (2024)

Section

Research Articles
CITATION
DOI: 10.15835/nbha52113367

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Copyright (c) 2024 Dongyu SUN, Xincheng CAI, Caizhu HU, Ali ANWAR, Yinyan YANG, Yunqi DU, Shangli ZHU, Guolin WU, Biyan ZHOU

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