An evaluation of two seedling phenotyping protocols to assess pH adaptability in deciduous Azalea (Rhododendron sect. Pentanthera G. Don)

Alexander Q. Susko, Timothy A. Rinehart, James M. Bradeen, Stan C. Hokanson

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Deciduous azaleas are an important element of residential and commercial landscapes in the United States after substantial trait improvements to increase their market appeal. Despite progress in breeding for ornamental characteristics and cold hardiness, intolerance to elevated pH and calcareous soils continues to limit their use in managed landscapes. Therefore, we assessed the utility of in vitro and greenhouse phenotyping approaches to evaluate and select for improved soil pH tolerance to increase the efficiency of breeding for this important trait. The research presented offers an example for implementing image-based phenotyping to expedite cultivar development in woody ornamental crops.

Original languageEnglish (US)
Pages (from-to)268-274
Number of pages7
JournalHortScience
Volume53
Issue number3
DOIs
StatePublished - Mar 2018

Bibliographical note

Publisher Copyright:
© 2018, American Society for Horticultural Science. All rights reserved.

Keywords

  • Abiotic stress tolerance
  • Ericaceae
  • High-throughput phenotyping
  • Iron deficiency chlorosis
  • Rhizosphere acidification

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