Scientific Papers Series B Horticulture

Figure 1. Average growth rate of ‘Angela’ variety fromthe park rose groupIn the English roses group, major differences inthe two years of study were present only in themonth of July on the ‘Abraham Darby’ variety(Figure 2).Figure 3. Average growth rate of ‘Heritage’ variety fromthe English rose group‘Forever Young ' was the variety who showedan uneven growth rate between June andOctober, in the floribunda group (Figure 4),Figure 4. Average growth rate of ‘Forever Young’ varietyfrom the floribunda groupFigure 2. Average growth rate of ‘Abraham Darby’variety from the English rose groupThe ‘Heritage’ variety showed an even growthrate in 2011, but in 2012 it presented importantdifferences in growth, with a maximumrecording in August, followed by a minimumone in October (Figure 3).‘Rhapsody in Blue’ presented the highestgrowth rate in 2011, with a maximumrecording in September and with the month ofNovember showing significant increased ratesfor 2012 (Figure 5).373