PENGARUH SUDUT DAN SELANG WAKTU PEMOTONGAN TANGKAI DALAM AIR TERHADAP UMUR PAJANG ANGGREK POTONG Vanda ‘douglas’
ABSTRACT: Orchid is one of the
highly prospective ornamental plants. Orchid cultivation is one of the most
popular ornamental cultivation. That is because the demand for orchids are
relatively stable compared to other plants that tend to follow the trend or
fluctuating. One form of massive utilization of orchids is the use as a cut
flower. One type of orchid that mostly sold as a cut flower is Vanda douglas.
Orchid’s –including Vanda douglas- advantage than other cut flowers are the
vase life that tend to be longer. Nonetheless, the effort to maintain even
extend the vase life of the flower is still needed. This experiment was
conducted to determine the effect of cutting the flower stem with a combination
of cutting slope and conditions of the stem and cutting frequency of the stem
on vase life of cut orchid Vanda douglas.The experiment was conducted at the
Laboratory of Horticulture, Faculty of Agriculture, Gadjah Mada University from
July to September 2012. The first phase of the study used a completely
randomized design with 2 factors. The first factor was cutting slope consisted
of 0, 30 and 45. The second factor was cutting conditions consisted of water
cut and air cut. The second phase also used completely randomized design with
cutting stem frequency consisted of every day, every 2 days, every 4 days and
every 6 days. Presentations of flowers bloom, wilt, fall, respiration,
transpiration and visual quality rating of the cut flower were observed every
day. Flower’s shrinkage, stomata and relative water content were observed at
the beginning and end of the experiment.The results showed there was no
interaction between the slope and condition of stem cutting on all parameters
of the observations. Cutting stem with a slope of 45 caused longer vase life
than the other slopes. Cutting the flower stem in the water also caused a
longer vase life than cutting through the air. Flower stem that was cut at
intervals of 4 days caused the longest vase life than any other time frequency.
Nevertheless, the extent of vase life of cut flowers only extend a day,
therefore the benefits for a florist should be reexamined.
Key words: Cut orchid, cutting
slope, cutting conditions, cutting frequency, vase life
Penulis: Ayuta Ratu Balqis,
Didik Indradewa, dan Sri Trisnowati
Kode Jurnal: jppertaniandd130216
