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Abstract

Grape breeding was initiated at the Horticultural Research Institute of Ontario in 1913 (3). The objectives of the breeding program were to provide wine and table grapes adapted to Ontario growing conditions. ‘Vanessa’ (Fig. 1) was released by the Horticultural Research Institute of Ontario to fill the need for seedless table grapes hardy enough to withstand winter conditions in southern Ontario. This is the seventh cultivar released from this program.

Open Access
Authors: and

Abstract

Grape breeding was initiated at the Horticultural Research Institute of Ontario in 1913 (3). The objectives of the program were to provide wine and table grapes adapted to southern Ontario climatic conditions. ‘Vivant’ (Fig. 1) was released by the Horticultural Research Institute of Ontario to help fill the need for hybrid grape cultivars with vinifera-like character for the active white wine market. This is the 8th cultivar to be released from this program.

Open Access

An assessment was made to determine the suitability of RAPD analysis for identification of the Australian wildflower Ozothamnus diosmifolius (Vent.) DC [syn. Helichrysum diosmifolium (Vent.) Sweet] cultivars and lines. Of 19 arbitrary primer sequences tested, 16 revealed a high degree of polymorphism between the six most important genotypes with commercial significance, producing a total of 166 markers, of which 70% were polymorphic. Several primers (such as OPD-03 and OPM-07) were able to distinguish all tested genotypes from one another, showing an intracultivar consistency. These results indicate that RAPD analysis is a useful tool for establishing genetic diversity in this species as well as assisting in commercial protection of plant breeders' rights.

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