Effect of several growth regulators on the development of Dutch iris

The effects of 10 growth regulators on the development of 2 bulbous iris cultivars are reported. Particularly effective were treatments with GA₃ and growth retardants. Early flowering was promoted by GA₃ in cv. "Prof. Blaauw "without effects on flower quality. The role of gibberellins on i...

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Bibliographic Details
Published in:Rivista di ortoflorofrutticoltura italiana 1979, Vol.63 (2), p.93-102
Main Authors: Picciarelli, P, Alpi, A, Ceccarelli, N
Format: Article
Language:English
Subjects:
crop production
Flower buds
Flowering
Flowers
Gibberellins
horticultural crops
horticulture
Leaves
Plant bulbs
plant cultural practices
Plant growth
Plant growth regulators
Planting
Plants
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Summary:The effects of 10 growth regulators on the development of 2 bulbous iris cultivars are reported. Particularly effective were treatments with GA₃ and growth retardants. Early flowering was promoted by GA₃ in cv. "Prof. Blaauw "without effects on flower quality. The role of gibberellins on iris flowering and their possible use in iris forcing are discussed. Sono riportati gli effetti di dieci regolatori di crescita sullo sviluppo di due cultivar di iris bulboso. Sono risultati particolarmente attivi GA₃ ed i ritardanti di crescita. GA₃ stimola precoce fioritura nella cv Prof. Blaauw senza effetti deleteri sulla qualità del fiore. È inoltre discusso il ruolo delle gibberelline sulla fioritura dell'iris ed il loro possibile uso nella forzatura di questa specie.
ISSN:0035-5968