Received: 21-03-2023
Accepted: 05-10-2023
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Evaluation of Growth and Development of Tisue Culture-derived Plants ofFour GerberaDaisy (Gerbera jamesonii) Cultivars
,
Phung Thi Thu Ha
2
Keywords
Development, flower longevity, Gerbera jamesonii, tisue culture derived plants, growth
Abstract
Gerbera, which is diverse in colors and types of flowers, is a high valuecut flower in both the domestic and international markets. This study aimed to evaluate the growth and development of tisue culture derived plants of four cultivars of Gerbera (Red, Pink, Orange, and Yellow). The experiment was designedin a randomized completeblock design. The study results showed that, in the nursery stage, tissue culture plantlets had 83.33-100% survival rate, with 6.9-8.3 leaves/plant, and plant height in the range of 6.44 to 7.28cm after 1.5 months of transplanting. In the production stage, the survival rate of all four Gebera cultivars reached 100%, with 9.4-11.4 leaves/plant, and 26.95-34.05cm in height after 3.5 months of transplanting. The flower stalk diameter of four Gebera cultivars ranged from 5.55 to 6.13mm, and the flower stalk height reached from 39.67 to 46.14cm. The maximum head diameter of four cultivars reached 8.65-9.41cm. The head longevity from bud to fade was29.20-31.70 days. The head inflorescence longevity from fullbloom to fade was8.80-12.40 days. All four studied Gerbera cultivars grewand developed well and wereless affected by pests and diseases, suitable for planting in Gia Lam, Hanoi.
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