Vol. 35 No. 2 (2021): Advances in Horticultural Science
Articles

'Momordica charantia’ introducing a new rootstock for grafted cucumber under low-temperature stress

S. Mohammadnia
Department of Horticulture, College of Agriculture, Isfahan University of Technology, Isfahan
M. Haghighi
Department of Horticulture, College of Agriculture, Isfahan University of Technology, Isfahan
Published March 9, 2021
Keywords
  • Cucurbita maxima,
  • female flower,
  • Karela,
  • photosynthesis,
  • rootstock,
  • yield
  • ...More
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How to Cite
Mohammadnia, S., & Haghighi, M. (2021). ’Momordica charantia’ introducing a new rootstock for grafted cucumber under low-temperature stress . Advances in Horticultural Science, 35(2). https://doi.org/10.36253/ahsc-10414

Abstract

Cucumber is a sensitive vegetable to low temperatures. Grafting vegetables on different rootstocks can decrease the harmful effects of environmental stresses, including low-temperature stress. An experiment was performed to evaluate grafting cucumbers on different rootstocks at low temperatures. Cucumber growth and yield and photosynthesis traits were examined. Treatments were the optimum temperature (25±2°C), and cold temperature (15±3°C, Ts), and rootstocks, were Momordica charantia (Rmo), Cucurbita maxima (Rma), non-grafted (Rn) and self- grafted (Rs) with 4 replications. Shoot fresh and dry weight, chlorophyll, RWC, transpiration, decreased with temperature stress. The number of female flowers, electrolyte leakage, photosynthesis, stomatal conductance increased with Ts. First fruit emergence per plant, N, P, K, Mg concentration decreased with Ts stress. Transpiration, female flower, RWC, and stomata conductance, N, P, K, Ca, and phenol increased in Rma and Rmo. Mg was at the highest concentration in Rma and Na in Rn. All in all, using Rmo as well as Rma is recommended for rootstock as it causes more reproductive growth.

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