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2022 Vol.40, Issue 6 Preview Page

Research Article

Optimization of the NPK Ratio for Vegetative Growth in Aeschynanthus longicaulis
Min Deng12
,
Qiansheng Li3*
1School of Ecology and Environmental Science, Yunnan University, Kunming, Yunnan 650504, China
2Yunnan Key Laboratory of Plant Reproductive Adaptation and Evolutionary Ecology and Institute of Biodiversity, Yunnan University, Kunming, Yunnan 650504, China
3Horticultural Sciences Department, University of Florida, Gainesville, FL 32611, USA
*Corresponding Author
31 December 2022. pp. 663-671
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Abstract

Aeschynanthus longicaulis is a gesneriad that can be grown as a hanging basket or indoor pot plant. Fertilization practice is rarely researched in relation to the genus Aeschynanthus cultivation. This pot experiment is conducted on soilless media to optimize the best NPK ratio for the vegetative growth of A. longicaulis. Four fertilization levels (0, 1, 2, 3) were established for three factors of N, P, and K with 14 fertilizer treatments (“3414” fertilizer experiment design). The relationships between nutrient levels, plant growth, and tissue nutrient concentration were investigated. The results showed that increasing the NPK application concentration significantly improved plant growth. However, N had a more significant influence on the shoot growth and root/shoot ratio than P and K. The NPK ratio 3-1-2 is recommended for A. longicaulis vegetative growth on soilless media.

Keywords
fertilization
gesneriad
macronutrients
plant nutrition
soilless cultivation
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Information
  • Publisher :KOREAN SOCIETY FOR HORTICULTURAL SCIENCE
  • Publisher(Ko) :원예과학기술지
  • Journal Title :Horticultural Science and Technology
  • Journal Title(Ko) :원예과학기술지
  • Volume : 40
  • No :6
  • Pages :663-671
  • Received Date :2022. 07. 07
  • Revised Date :2022. 09. 20
  • Accepted Date : 2022. 09. 30
  • DOI :https://doi.org/10.7235/HORT.20220060
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