PRODUCTION


A branch A container’s center Growth direction Picture 3: An old crown of 2.5-year-old gerbera plant.


Leaf scar Flower-stem scars Adventitious root


Media surface


Horizontal branch above the media


B Flower-stems scars


Picture 2: A branch of 2.5-year-old of gerbera plant grown in container.


not able to elongate anymore; they will not grow into the media, and they will not function as normal active roots (Picture 4). Picture 5 shows an extreme state, but quite com- mon situation in Colombian gerbera farms. It shows a gerbera plant kept longer than 3 years in a plastic bag. This nonproductive plant lost its production potential some time ago. Actually the production of gerbera plants at this age comes from only few branches per square meter, and this is not economi- cal. For more information visit www.gerberaisrael.com


Dr. Yoseph Shoub is agronomist and a gerbera breeder. You can reach him at gerbera1@zahav.net.il


Picture 4: Roots of a 3-year-old gerbera are not able to reach the growing media.


Media surface


Many nonproductive old crowns


Picture 4: An “old” nonproductive split-up gerbera plant. www.SelectaCutFlowers.com FloralNews 19 12


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