GABA at 1, 5, 10, 15 and 20 mM was sprayed on anthurium (A.
andraeanum L.)
flowers cv. Sirion at commercial greenhouse by
using a hand-sprayer until
flowers were wet to runoff. Additional
flowers were also sprayed with distilled water as the control. The
sprays were applied three times at 7-day intervals before harvest,
when 40–50% of the true
flowers on the spadix had fully opened
(Promyou et al., 2012). Flowers were cut in the morning, placed in
water at the growers’ property and transported at 12 C in water to
the laboratory. Then, the
flower stems were recut to 30 cm length