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  • Author or Editor: Catherine A. Lundergan x
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Abstract

Seven seedling populations of strawberry were analyzed for ascorbic acid content and color intensity. The amount and type of variation found showed both characters to be controlled by quantitative genes. It is postulated that 2 genetic systems control the inheritance of ascorbic acid and that the 2 systems can interact with each other. Partial dominance was exhibited for high color intensity. Heritability estimates of 41% for ascorbic acid and 81% for color intensity were obtained. Flesh color and ascorbic acid content were not correlated characters.

Open Access

Abstract

Freshly harvested seeds of the cultivated blackberry (Rubus sp. cvs. Cherokee and Comanche) germinated without stratification when oxygenated in distilled water. Germination was not improved with the addition of 10−5 m gibberellic acid (GA) or 10−7 m benzylamino purine (BA). Some field-grown plants bloomed the following spring.

Open Access