Traditionally American rose growers allowed one to two years of growth before transplanting rose bushes. Without special treatment a young rose transplant uses its energy to rebuild a root system instead of entire plant growth. Without a strong root system the plant has reduced ability to feed and receive water therefore subject to stress and possible mortality.
Dutch growers, for over fifty years, transplant half year old rose bushes. To improve root regeneration and increased first year flower yield when transplanting bare root rose bushes the roots are immersed in a solution containing Hortus IBA Water Soluble Salts dissolved in water.
The roots are not cut back except for damaged or broken roots. Living roots contain stored carbohydrates.
The bare roots are immersed in a solution:
Using 150 ppm IBA as Hortus IBA Water Soluble Salts
for 10 minutes.
Or:
250 ppm IBA as Hortus IBA Water Soluble Salts
for 5 minutes
After treatment the rose bushes are planted immediately. At planting time the soil temperature should be above 60F and air temperature above 65F with relative humidity at 80%. Warm soil temperature is a major factor in utilization of the active ingredients.
Transplant root regeneration
When transplanting use Hortus IBA Water Soluble Salts rooting solutions to improve root regeneration and during the growing season to increase root mass and improve overall growth. Apply by soil, soak to growing plants solutions help to improve fibrous root mass. The solutions improve transplant success by promoting root regeneration, increasing root mass, produce earlier and higher flower and crop yields and reduce drought stress.
Improve transplanting of bare root plants
Treat bare root transplants by the Immersion-Absorption Method. The bare roots of the plants, in bundles or single, are immersed in a solution with 250 ppm IBA as Hortus IBA Water Soluble Salts for five minutes. Plant as soon as possible.
Improve transplanting of plants in root balls or plugs
Soil Soak
Treat transplants already in the media by soil drench.
Hortus IBA Water Soluble Salts at 12-50 ppm IBA.
Alternate methods:
Spray the plugs, balls or bare roots, at the same rates as above, after taking the plants out of a propagation tray.
Or,
Dip whole plug or ball in solution until fully saturated.
After treating roots optionally spray the leaves lightly using the same rates as above.
Enhance the root mass of growing plants
Treat plants in the growing with a Hortus IBA Water Soluble Salts rooting solution to enhance fibrous root development and increase uptake of water and nutrients. During the growing season for house, tropical, herbaceous, bedding, and flowering plants to improve growth and flowering apply solutions at three to five week intervals and whenever fertilizing. Apply after flower and crop harvesting to improve flower regeneration. Treat plants in plug or ball using spray or dip by saturating the media with a solution. For plants in the ground use a soil drench with a solution and spray the foliage. For large growing areas apply by soil drench.
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