The ultramicroscopic study of pollen grains from two cultivars of Malus domestica, Starkrimson and Golden Delicious, revealed well-developed mitochondria and conspicuous endoplasmic reticulum in the first variety, suggesting greater metabolic activity. Incorporation of tritiated thymidine and uridine in the hydrated grains of both cultivars indicated replication of DNA and transcription within both mitochondria and plastids.
Bellani, L.M., Bell, P. (1986). Cytoplasmic differences between the pollen grains of two cultivars of Malus domestica borkh. correlated with viability and germination. ANNALS OF BOTANY, 58(4), 563-568 [10.1093/annbot/58.4.563].
Cytoplasmic differences between the pollen grains of two cultivars of Malus domestica borkh. correlated with viability and germination
BELLANI L. M.;
1986-01-01
Abstract
The ultramicroscopic study of pollen grains from two cultivars of Malus domestica, Starkrimson and Golden Delicious, revealed well-developed mitochondria and conspicuous endoplasmic reticulum in the first variety, suggesting greater metabolic activity. Incorporation of tritiated thymidine and uridine in the hydrated grains of both cultivars indicated replication of DNA and transcription within both mitochondria and plastids.
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https://hdl.handle.net/11365/41513
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