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Document Details
Document Type
:
Article In Journal
Document Title
:
effect of some auxins on root ability of ficus benjamina plants
تأثير بعض الأوكسينات على قدرة جذور النباتات بنجامينا
Subject
:
effect of some auxins on root ability of ficus benjamina plants
Document Language
:
English
Abstract
:
Microcuttings of rose cv. Sonia and cv. Sabrina, and gerbera cv. Rebecca were rooted ex vitro in rockwool (Grodan SBS) in a greenhouse. In order to stimulate rhizogenesis the shoots were treated with red light at 3 µmol m-2s-1 photosynthetic photon flux density (PPFD) emitted from fluorescent lamps for 4h during the night for periods of 3, 7, 14 and 42 nights, while half of the microcuttings were treated with auxin solutions. The irradiation of shoots for 7-14 nights with red light during the ex vitro rooting highly influenced root formation both in rose and gerbera. The seasonal and genotype differences in response to red light were noted. In rose ‘Sabrina’, red light promoted root formation during plantings in March, May and November, increasing the growth of shoots, root system quality and percentages of rooted microcuttings from below 50% (control microcuttings) up to 80-100%. In July, the best rooting was noted in the control microcuttings which were not treated with auxins or red light. In rose cultivar ‘Sonia’, the positive effect of red light on rooting ex vitro was found both in winter and summer. In gerbera, red light irradiation improved rooting only during winter (in February), enhancing the percentage of rooted microcuttings from 67.1% (control microcuttings) to 86.1%-98.6% in each red light treatments.
ISSN
:
0304-4238
Journal Name
:
Scientia Horticulturae
Volume
:
27
Issue Number
:
8
Publishing Year
:
1422 AH
2002 AD
Article Type
:
Article
Added Date
:
Monday, April 1, 2013
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
احمد ابراهيم القبيعي
Alqubi, Ahmed Ibrahim
Researcher
Doctorate
Files
File Name
Type
Description
35354.pdf
pdf
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