Fazilet PARLAKOVA KARAGÖZ, Atilla DURSUN

Paclobutrazol, Daminozid, Klormequat, Propiconazole Zinnia'nın Vejetatif Büyümesi ve Çiçek Kontrolü Üzerinde Kullanılması

Paclobutrazol, daminozide, chlormequat ve propiconazole gibi PGR'ler bitkilerin çeşitli büyüme özelliklerini değiştirmeye yardımcı olur ve bunlar süs bitkilerinin modern üretim sisteminde yaygın olarak kullanılır. Bu çalışmanın amacı, bir sera denemesinde, zinnia (Zinnia elegans Jacq.) vejetatif büyüme parametreleri ve çiçeklenmesinin modern üretim sisteminde kullanılan paclobutrazol, daminozide, chlormequat ve propiconazole’nin optimum dozu, dozlarının azaltılması ve arttırılması etkilerini değerlendirmektir. Bitki boyu, kontrol grubuna kıyasla %20.87 oranında 2 g L-1 daminozid (T4) uygulanarak azaltılmıştır. 1.5 ml L-1 chlormequat (T9) ile muamele edilen bitkiler, en yüksek ana sap çapına, çiçek sapı çapına (4.50 mm) ve yan dal uzunluğuna (16.17 cm) sahiptir. En yüksek yan dal çapının (3.78 mm) ve çiçek tomurcuklarının sayısının (bitki başına 4.67) T4 ile ortaya konulduğu belirlenmiştir. T4 uygulaması, zinnia’nın çiçek tomurcuklarının sayısını arttırmak için kullanılabilir. 2 g L-1 daminozid (T4) kullanımının, internod uzunluğunu kontrol grubuna kıyasla % 58.60 oranında azalttığını sonuçlar göstermiştir. Özetle, denemede kullanılan kimyasalların ve tüm dozların zinnia’nın çiçek kalitesinin bozulmasını etkilemediği sonucuna varılmıştır. Aksine, özellikle farklı dozlarda daminozid uygulanarak bitki boyu yükseklik kontrolü sağlanarak daha kompakt bitkilerin elde edilebileceği sonucuna varılmıştır.Zinnia’nın üretim süresini kısaltmak için, 0.25 ml L-1 propiconazole uygulanması tavsiye edilebilir.

Using Paclobutrazol, Daminozide, Chlormequat, Propiconazole on Vegetative Growth and Flowering Control of Zinnia

PGRs such as paclobutrazol, daminozide, chlormequat and propiconazole help to alter various growth characteristics of plants and they are used commonly in the modern production system of ornamental plants. The objective of this work was to evaluate the effects of the optimum dose, decreasing and increasing amounts of the optimum dose of paclobutrazol, daminozide, chlormequat and propiconazole used in the modern production system of zinnia (Zinnia elegans Jacq.) vegetative growth parameters and flowering in a greenhouse experiment. Plant height was reduced with the administration of 2 g L-1 of daminozide (T4) at a ratio of 20.87% compared to the control group. The plants treated with 1.5 ml L-1 of chlormequat (T9) had the highest main stem diameter, flower stalk diameter (4.50 mm) and side branch length (16.17 cm). It was determined that the highest side branch diameter (3.78 mm) and number of flower buds (4.67 per plant) were manifested with T4. The treatment of T4 can be used to increase the number of flower buds of zinnias. The result showed that the use of 2 g L-1 of daminozide (T4) reduced the internode length compared to the control group at a rate of 58.60%. In summary, it was concluded that the chemicals and all the doses used in the experiment did not affect the deterioration of the flower quality of zinnias. On the contrary, it was concluded that more compact plants can be obtained by providing height control especially by applying different doses of daminozide. In order to shorten the production period of zinnias, it may be advisable to apply 0.25 ml L-1 of propiconazole.

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Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi-Cover

ISSN: 1300-2910
Yayın Aralığı: Yılda 3 Sayı
Başlangıç: 1985
Yayıncı: Tokat Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi Yayın Ofisi