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PRELIMINARY RESEARCHON THE INFLUENCE OF THE PLANTING TIME ON THE GROWING AND BLOOMING OF VARIETY OF HERBACEOUS PEONY IN THE FIELD

Published in Scientific Papers. Series B, Horticulture, Volume LXII
Written by George Nicolae CAZAN, Sorina PETRA, Florin TOMA

The present paper refers to the results of the research on the influence of the different planting times of some varieties of herbaceous peony in the field on the blooming and growing. The research was performed in the experimental field of USAMV Bucharest and in the town of Singureni, Giurgiu County. The studies made are based on the data obtained both by visual observation and by biometric measurements on the varieties of herbaceous peony. The biologic material war represented by a variety of herbaceous peony with white flowers, with pink flowers and with red flowers. The data was processed in the following indicators: growth stages (emergence, springing, percentage of shoots starting vegetation, percentage of springs, vegetation rest) and blooming stages (percentage of flower springs, appearance of buds, stages of blooming, percentage of blooming) as well as the dynamics of growth and blooming. There were results related both to the growth and blooming stages and to the dynamics of the growth and blooming.

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