69 果樹栽培における5-アミノレブリン酸の耐塩性向上効果

概要

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5-aminolevulinic acid (ALA), an intermediate metabolite in the synthesis of tetrapyrol compunds, is reported to have several development, and enhancement of salt tolerance. ALA is now produced by a large scale fermentation and thus commercially applicable. The experiments were conducted to evaluate the effects of ALA on salt tolerance of satsuma mandarings and rabbiteye blueberries. ALA at 100mg/l enhanced photosynthesis of satsuma mandarin leaves 10 days after an applicaition of 30g/l NaCl solution without any phytotoxcity, although it decreased markedly 2 days after the application. Dormant cuttings of blueberries dipped in 5g/l NaCl solution began to turn ALA somewhat delayed the browning of the cuttings. These results may indicate that ALA may alleviate salt damage possibly through tree vigor recovery and enhancement of photosynthesis.
植物化学調節学会の論文
1999-10-01