The pattern of germination has been detected in the presence or in the absence of Actinomycin D (AmD) in fresh and stored binucleate pollen grains of' Golden Delicious' (GD) and' Starkrimson' (S). Pollen tube growth consisted of two distinct phases, autotrophic and heterotrophic, in both fresh and stored pollen grains. The pollens of the two cultivars differ: (i) in the length of the first phase, being 3 h in GD and 2 h in S, and (ii) in the response to storage. As far as the response to storage is concerned the cultivar S seems to be more damaged than GD when the storage effect is evaluated as the first phase length; less damaged than GD when the effect is expressed as tube length.
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|Titolo:||Dynamics of Pollen Grain Germination in Two Cultivars of Malus domestica: the Influence of Actinomycin D on Fresh and Stored Pollen Grains|
|Citazione:||Tagliasacchi, A.m., Forino, L., Bellani, L., & Avanzi, S. (1985). Dynamics of Pollen Grain Germination in Two Cultivars of Malus domestica: the Influence of Actinomycin D on Fresh and Stored Pollen Grains. ANNALS OF BOTANY, 56, 29-33.|
|Appare nelle tipologie:||1.1 Articolo in rivista|