[NAFEX] PROPAGATION: Taking of plant cuttings: part 2
rooting at hortus.com
Sun Mar 28 17:18:41 EST 2004
Taking of Plant Cuttings Used to Propagate New Plants
Basics of taking plant cuttings
Care of cuttings before rooting hormones treatment
Plant cuttings to be rooted should be propagated soon after being taken from the stock plant. Cuttings of some plants may be kept fresh by keeping the basal end wrapped in moist fabric until ready to treat and plant. Do not keep unused cutting for an extended period. Stored in plastic, some cuttings, such as prunus root stocks, can be kept fresh by storing in a cool place. Keep the cuttings for a day or so in cold storage (about 40F) with a high relative humidity (95%) to give the cuttings a good turgor. Tropical plants are often stored at room temperature.
Wounding: notching the cuttings before treatment
Some plant cuttings, such as hardwood cuttings, root more easily if a small notch or wound is made at the basal end before treating with rooting horones such as Rhizopon AA dry powders or Hortus IBA Water Soluble Salts. The cuts often 1/2-3/4 inch long made with a 'v' cut. Tropical and other herbaceous plants are usually not 'wounded'.
Treat the cuttings with the rooting hormones according to the need of the plant and the desired method.
Selection of media for rooting of cuttings
Different kinds of media are used for rooting cuttings of different species of plants. The grower should select the media appropriate for the plant. Some media variations commonly used are all peat moss, combinations of peat with sand, all sand, rockwool, and pearlite or vermiculite with soil mixes. When you use media, such as rockwool, which have no retention properties you must lower the rooting hormones concentration.
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