Two-year-old 'Ambersweet' ( Citrus reticulata Blanco X [ C poroc/f'siMacf. X C. reticulata]) X midseason orange, C. s/nensfs(L.) Osb. trees on three rootstocks, sour orange (C. aurantium L), Cleopatra mandarin (C. reticulate), and Carrizo citrange (C. sinensisX Poncirus trifoliate* (L) Raf.) grow ing in 15-liter pots were exposed to cold-hardening regimes in controlled-temperature rooms and fre...

Translocation of (14)C-photosynthates to mycorrhizal (+ +), half mycorrhizal (0+), and nonmycorrhizal (00) split-root systems was compared to P accumulation in leaves of the host plant. Carrizo citrange seedlings (Poncirus trifoliata [L.] Raf. x Citrus sinensis [L.] Osbeck) were inoculated with the vesicular-arbuscular mycorrhizal fungus Glomus intraradices Schenck and Smith. Plants were expose...