Citrus

Most citrus fruit trees are grown as a "grafted combination" of: a scion (good-fruit-quality tree) on the top; and a rootstock - cultivar which resists or tolerates infection by certain disease(s), that forms the lower trunk and root system.

Examples of rootstocks:

  1. Trifoliate Orange, Janpanese bitter orange (Poncirus trifoliata), 2n=18
  2. Grapefruit (Citrus×paridisi)
  3. Cleopatra mandarin (Citrus×reshni)
  4. Orange (Citrus×aurantium)^
  5. Citrumelo = 1 × 2: Poncirus trifoliata × Citrus×paridisi
  6. Citroncirus/Citrange = 1 × 4: Poncirus trifoliata × Citrus×sinensis


^ Sweet orange (Citrus×sinensis, or Citrus×aurantium var. sinensis)
= Citrus maxima (pummelo) × Citrus reticulata (mandarin)



Reference:

  1. Citrus Rootstocks@Agricultural Research Service, USDA
    https://citrusrootstocks.org/

  2. Comparison between diploid and tetraploid citrus rootstocks: morphological characterization and growth evaluation, 2014
    https://doi.org/10.1590/brag.2014.007

פורסם על-ידי lunababy22 lunababy22, אפריל 16, 2021 06:42 לפנה"צ

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