Root multiplication in crysanthamum
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A new method of propagation of chrysanthemum through leaf cuttings complimentary to the conventional method of shoot tip propagation was developed under in vivo conditions. The study was conducted during 2008-2011 at the research farm of the Department of Floriculture and Landscaping, Punjab Agricultural University, Ludhiana, India. Two cultivars of chrysanthemum 'Autumn Joy' and 'Garden Beauty' were used for the study. Leaf cuttings consisting of leaf blade, petiole and an attached auxiliary bud, taken from different positions of the stem were treated with the combination of plant growth regulators (IBA and Kinetin). With this method, 10-15 new plants were produced from a single stem in contrast to the conventional method of propagation through terminal stem cuttings, which yielded only one plant per stem. The complete process of regenerating plants through this method is new, quick, simple, easy, economical and highly effective and takes the same time as conventional method) under in vivo conditions. This propagation technique is particularly useful when propagating material is scarce as from a small quantity of initial propagating material, a large number of plants can be produced.