patterson-arboretum.usask.ca...why china? olina is the centre of diversity for roses. of the 200...

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Page 1: patterson-arboretum.usask.ca...WHY CHINA? Olina is the centre of diversity for roses. Of the 200 (approx.) rose species world-wide, over 50% of these are native to China (Ma and Chen,
Page 2: patterson-arboretum.usask.ca...WHY CHINA? Olina is the centre of diversity for roses. Of the 200 (approx.) rose species world-wide, over 50% of these are native to China (Ma and Chen,
Page 3: patterson-arboretum.usask.ca...WHY CHINA? Olina is the centre of diversity for roses. Of the 200 (approx.) rose species world-wide, over 50% of these are native to China (Ma and Chen,
Page 4: patterson-arboretum.usask.ca...WHY CHINA? Olina is the centre of diversity for roses. Of the 200 (approx.) rose species world-wide, over 50% of these are native to China (Ma and Chen,