INFLUENCED OF BOTTOM HEAT TREATMENT AND TYPES OF CUTTING ON THE REGENERATION OF EUGENIA (Eugenia myrtifolia L.) STEM CUTTINGS

Yıl 2018, Cilt: 2 Sayı: 2, 66 - 74, 08.12.2018

Derby Polıquıt , Arsenio Ramos

Öz

Eugenia (Eugenia
myrtofolia L.) is one of the most demanded ornamental plant in landscaping
industry but the availability of planting material of this plant is limited due
to its difficulty in propagating by stem cutting. Thus, this study was
conducted to: (1) determine the influence of bottom heat on the regeneration of
Eugenia stem cuttings; (2) determine the influence of type of cutting on the
regeneration of Eugenia stem cuttings; and (3) evaluate the interaction effect
of the type of cutting and bottom heat application on the regeneration of
Eugenia stem cuttings. This was conducted at NwSSU of San Jorge Campus, San
Jorge, Samar. The experiment was laid-out in 2 x 3 factorial in split-plot
arranged in RCBD with three replications. The rooting medium temperature
manipulation (B1- with bottom heat and B2- without bottom heat) was assigned in
the Main-plot while type of cuttings (T1-with no axillary shoot, T2- with
single axillary shoot, and T3- with two axillary shoot) in the sub-plot.
Regardless of the type of cuttings, bottom heat application did not significantly influenced all cutting
regeneration parameters evaluated but significantly affected some  horticultural characteristics of the
successfully regenerated cutting 30 days after potting. Application of bottom
heat significantly promoted shoot production both in terms of number of shoot
and size of leaves of successfully regenerated cuttings. The type of cutting
significantly affected the percent leaf retention and rooting. Cuttings without
axillary shoot retained more leaves and gave higher rooting percentage than
cuttings with 2 axillary shoots. Successfully regenerated cuttings with 1 and 2
axillary shoots retained had bigger leaves 30 days after potting than cuttings
without axillary shoot. There was no significant interaction effect of rooting
medium temperature manipulation and type of cuttings on the regeneration of
Eugenia stem cuttings and the performance of regenerated cuttings after potting 

Anahtar Kelimeler

Eugenia myrtifolia, stem cuttings, bottom heat, type of cuttings

Kaynakça

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