How can plants be propagated by leaf cuttings?
- To: "'propagation@mallorn.com'" <propagation@mallorn.com>
- Subject: How can plants be propagated by leaf cuttings?
- From: "* D* G* <D*@PSS.Boeing.com>
- Date: Fri, 8 Jan 1999 18:00:45 -0800
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> Plants with fleshy leaves or thick petioles may frequently be propagated by leaf cuttings. The Rex Begonia is the most familiar example illustrating this method. The leaves may be cut into a number of more or less triangular pieces, each of which has a large piece of one of the main veins of the leaf. When such pieces are inserted half their depth into the sand, the veins will callous and the young plantlets start from this point.
>
> Another method of making a leaf cutting of the Begonia is to cut through the main veins at various points and pin the entire leaf upon the sand of the propagating bench, so that the cut ends of veins are in contact with the sand. A confined atmosphere and slight bottom heat are beneficial to rooting. A bell jar, placed over the leaves, will provide proper conditions and prevent the leaf blade from drying out.
>
> The Lorraine type of Begonias, including such varieties as Cincinnati, Melior and Mrs. J. A. Peterson, should be propagated by leaf cuttings taken from plants with healthy leaves. Remove the flowers to throw the strength into the leaves. All blemished leaves
> should be discarded. Such plants, with very fleshy petioles and leaf blades, may be propagated by placing the petiole, or stem of the leaf in the sand. The blade is often reduced in area by cutting away the outer and thinner parts of the leaf. The usual temperature for rooting such cutting is 65 to 70 deg.
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