Application of Cytokinin and Mycorrhiza to Increase Production and Quality of Pineapple Seedlings from Crown Leaf Bud Cuttings

  • Dirgahani Putri Seed Science and Technology, Faculty of Agriculture, IPB University, Jalan Meranti, Bogor 16680, Indonesia
  • M. Rahmad Suhartanto Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Jalan Meranti Road, Bogor 16680, Indonesia
  • Eny Widajati Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Jalan Meranti Road, Bogor 16680, Indonesia
Keywords: fast propagation, split crown, tropical fruit

Abstract

The pineapple vegetative propagation method using
crown leaf bud cuttings has potential to produce
seedlings of greater uniformity and in larger quantities
than other methods. This study, aimed to explore the
potential eff ects of concentration and frequency of
Benzylaminopurine (BAP) application for increasing
the production and quality of pineapple seedlings from
crown leaf bud cutting propagation. The experiment
used a randomized complete block design (RCBD)
with two factors. The fi rst factor was the concentration
of BAP (0, 200, 400, 600, 800 ppm) and the second
factor was the frequency of BAP application (1,
2, 3 times). Furthermore, this study investigated
the eff ects of applying mycorrhizae to accelerate
seedling growth and improve seedling quality during
production from crown leaf bud cutting propagation.
The experiment used a RCBD with one factor (dose
of mycorrhiza: 0, 50, 100, 150, 200 spores). The
results indicated that the eff ects of concentration and
frequency of BAP application and their interaction
increased seed production as determined by sprout
cuttings at 5 weeks after planting by applying 600 ppm
2 times. Generally, with increasing concentration and
frequency of BAP application, leaf chlorophyll content
was reduced. However, the application mycorrhiza
positively infl uenced the production of seedlings from
pineapple crown bud cuttings and improved seedling
quality as measured by root dry weight, chlorophyll
content, root infection, and phosphatase enzyme
activity.

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Published
2020-02-27