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[
Introduction to
Plant Propagation
from Cuttings ]
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FAQ
What are the
origins of plant rooting products
Select cuttings to improve rooting success.
Difficult cuttings CAN
be rooted.
Measuring hint.
Root cuttings by Quick Dip.
Mixing hint.
Use fertilizers and fungicides with care.
Purchasing hint.
Two easy ways to produce symmetric roots.
Transplants have improved
success. Roses have higher flower yield.
Product Selection to make Fresh
Rooting Solutions
What are the
origins of plant rooting hormones
Since Medieval times plant growers have known that many plants can be propagated from
cuttings. The new plants have the same characteristics as the parent plant. Some cuttings
root easily, some with difficulty and some never on their own.
In the 1930's horticultural researchers isolated the plant growth regulators which
promote rooting of cuttings and improve the root mass of rooted plants. These regulators
even produce rooting of some cuttings which do not self root. In 1939, using these
revolutionary regulators, Dutch scientists developed rooting products and techniques now
used worldwide. The manufacturer, Rhizopon b.v., is the world's largest company solely
devoted to plant rooting products and technology.
Select cuttings to
improve rooting success.
- Why do cuttings from the same parent plant root while
others do not?
- What is the 'best' time to take cuttings?
Rooting of cuttings is affected by many variables. Some plants have different rooting
ability at different times of the year. A few weeks difference in taking of cuttings may
produce success or failure. Woody plants are especially influenced by timing.
When taking shoot cuttings from the same plant at the same time some cuttings may have
different rooting ability. One reason may be the position of the shoots on the plant.
Current year shoots may root differently from second year shoots. Shoots from the lower
part of the plant may have had less sunlight then upper shoots; the upper shoots may be a
few weeks older than the lower shoots. In general, younger shoots need less stimulation to
root than older shoots and require a more stable propagation environment. Use a lower
Rhizopon AA Water Soluble Tablets or Hortus IBA Water
Soluble Salts concentration.
It is important to keep notes. Include data such as the number of days after the
flowering of forsythia to account for seasonal variation, the origin of the cuttings, the
time and weather when the cuttings were taken and sticking, the date taken, the rooting
method used and concentration of Rhizopon AA Water Soluble Tablets
or Hortus IBA Water Soluble Salts, the conditions at the
time cuttings take root, and the relative quality of the roots.
Difficult cuttings CAN be rooted.
- How can I increase the rooting yield of difficult to root
hardwood cuttings?
- How do I control the concentration of Rhizopon AA Water
Soluble Tablets or
Hortus IBA Water Soluble Salts to increase yield?
Some cuttings root with difficulty. Lacking success, some growers erroneously increase
the concentration of Rhizopon AA Water Soluble Tablets or
Hortus IBA Water Soluble Salts.
An increased concentration may inhibit root promotion. Try a LOW concentration of Rhizopon
AA or Hortus IBA Water Soluble
Salt with an INCREASED basal end immersion time. Increased immersion time allows the cutting to
absorb the active ingredients. A low concentration is also economical.
Use the IMMERSE METHOD by immersing the basal end of cuttings approximately 1"
into solution for 4-12 hours.
Measuring hint:
When measuring a large number of Rhizopon tablets you can weigh the tablets.
I tablet=1/4 gram, 100 tablets=25 grams (about .9 ounce).
Root cuttings by Quick Dip.
- How do I use the QUICK DIP METHOD to root herbaceous or
woody cuttings?
The QUICK DIP METHOD is a fast treatment method to root cuttings.
Quickly immerse the basal end of the cutting approximately 1" into solution.
Plant immediately. Use rates as suggested on the
plant list.
Mixing hint:
When mixing a large quantity of Rhizopon AA Water Soluble Tablets use an electric hand
blender.
Make sure your required working volume of solution of liquid is adequate to assure good
action of the blender.
Stir at least one minute. Hortus IBA Water Soluble Salts
are easily dissolved by mixing with a hand stirrer.
Use
fertilizers and fungicides with care.
- Can I use fertilizers or fungicides with Rhizopon AA Water
Soluble Tablets or
Hortus IBA Water Soluble Salts?
Rhizopon AA Water Soluble Tablets and Hortus IBA Water
Soluble Salts do not contain fertilizers or fungicides. Apply these
materials based upon plant requirements. When rooting cuttings do not fertilize until
after root initiation. Fertilizer salts may dehydrate the cutting. When transplanting you
can apply Rhizopon AA Water Soluble Tablets or Hortus IBA
Water Soluble Salts with fertilizer at the same time. Fungicides
may inhibit root formation by stressing plant tissue and slowing rooting and plant growth.
Use fungicides only as required.
Purchasing hint:
Rhizopon AA Water Soluble Tablets are available in 20, 200 and 2500 tablet packages.
Your most economical purchase is the 2500 tablet package.
Two easy ways to produce
symmetric roots.
- I use the SPRAY DRIP DOWN METHOD to root herbaceous
cuttings such as chrysanthemum. How do I know how much solution to spray?
- What is the difference in performance between the SPRAY
DRIP DOWN METHOD and TOTAL IMMERSE METHOD?
Using either the SPRAY DRIP DOWN or TOTAL IMMERSE METHOD, Rhizopon AA Water Soluble
Tablets and Hortus IBA Water Soluble Salts develop symmetric roots on herbaceous plant cuttings. The active ingredients are
absorbed into the leaves and stems then transported to the basal end where it induces
roots.
When using the SPRAY DRIP DOWN METHOD first plant the cuttings. Spray the leaves with
solution until the liquid drips down into the media near the basal end. Use Rhizopon AA
Water Soluble Tablets Hortus IBA Water Soluble Salts at
rates suggested on the plant list. For broad leaf cuttings it might be
easier to use the TOTAL IMMERSE METHOD. The cutting is immersed a few seconds in the
solution. Plant immediately.
Transplants have
improved success. Roses have higher flower yield.
- How do I improve transplanting of bare root plants, plugs,
and plants in media?
- How many times should I treat plants with Rhizopon
or Hortus IBA Water Soluble Salts?
- How do I increase flower yield when transplanting young
rose bushes?
- How can I improve transplant success of Christmas trees? I
want to improve our reforestation program which requires that conservation plants recover
quickly.
Treatment with Rhizopon AA Water Soluble Tablets or
Hortus IBA Water Soluble Salts help the rooted plants regenerate
roots rapidly so to rapidly absorb water and nutrients. The plants develop a strong early
root mass before sprout initiation. Select the method of application based upon practical
needs. Treat once at planting time.
For plants in plug or root ball, spray or dip with solution until the media is
saturated. For herbaceous plants use Rhizopon AA Water Soluble Tablets
(at 1-2 tablets per liter water) or Hortus IBA Water Soluble Salts (at
.1-.5 gm per liter water);
for woody plants use about twice this rate.
For bare root plants use the IMMERSION ABSORPTION METHOD by immersing the bare roots in
solution using Rhizopon AA Water Soluble Tablets at 2-3 tablets/liter water for 10 minutes
or 3-5 tablets/liter water for 5 minutes.
After treating the roots optionally spray the leaves and stems lightly with a solution
using Rhizopon AA Water Soluble Tablets (at 1/2 to 1 tablet/liter water)
or Hortus IBA Water Soluble Salts (at .1-.2 gm per liter water).
Using IMMERSION ABSORPTION, trees, shrubs, and other plants planted in the field,
nursery bed, or greenhouse have less transplant shock and stress. Treated young rose bush
transplants have earlier and increased flower yield.
Product Selection to make Fresh
Rooting Solutions
RHIZOPON AA WATER SOLUBLE TABLETS
Use the pre-dosed tablets with water to make your own freshest solutions in
any concentration.
You measure the dosage by simply counting tablets and mix into water. A
scale is not needed.
HORTUS IBA WATER SOLUBLE SALTS
Use the easy to measure powder with water to
make your own freshest solutions in any concentration. You can make
solutions to over 60,000 ppm IBA active ingredients. The Salts are an
economical for making large solution volumes. Hortus IBA Water Soluble Salts
is an easier to use and registered replacement technical IBA and K-IBA.
These plant rooting products are completely
free of potentially phyto-toxic and flammable alcohol. You make solutions
from very dilute to extremely concentrated. The solutions are odorless. Both
are US EPA registered with WPS Zero Hour REI. Growers can apply the products
and remain in the growing area. There is minimum PPE with no notification
requirement.
Special Techniques
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