How can the following plants be propagated?
A. Rose
B. Sugarcane
C. Jasmine
D. Mango
Answers
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ROSE
The propagation of roses can be performed by different ways : - By plant division and layering (for hardwood species). - By seeding (as for all species giving grains). - "in vitro" propagation : a very short time , 1 to 2 months instead of 12 to 18 months with upper methods.
SUGARCANe
Sugarcane is propagated primarily by the planting of cuttings. The sections of the stalk of immature cane used for planting are known as seed cane, or cane sets, and have two or more buds (eyes), usually three. Seed cane is planted in well-worked fields.
Jasmine
Star Jasmine (Trachelospermum jasminoides), is propagated by taking semi-hardwood cuttings in summer. Cut a 10- to 12-inch length of vine from a vigorous star jasmine plant. Use clean pruners or a sharp knife to make the cut just below a node, which is a small swelling where a leaf or bud emerges.
mango
Mango tree propagation may be accomplished by either planting seeds or through the grafting of mango trees. When propagating by seed, trees take longer to produce fruit and are more difficult to manage than those that have been grafted, thus mango tree grafting is the preferred method of propagation.
Rose
The propagation of roses can be performed by different ways :
- By plant division and layering (for hardwood species).
- For other species (sarmentous rosebush and hybrids) by grafting and propagation by cuttings
- By seeding (as for all species giving grains).
- "in vitro" propagation : a very short time , 1 to 2 months instead of 12 to 18 months with upper methods.
Sugarcane
Sugarcane is a true grass and can grow up to 12 feet in height (3.6 m.) tall. It is a perennial plant and is harvested every 12 months. Sugarcane needs plenty of heat, water and fertilizer and grows rapidly. Canes are peeled for use and are a supply of one of the most sought-after sugar sources. Sugarcane plant propagation requires warm temperatures of 78 to 91 degrees Fahrenheit (26 to 33 C.). While seed is not a popular commercial way of propagating sugarcane, it is relatively easy and harvesting can occur in less than a year. Seed is one way of propagating a sugarcane variety, but the pros use cuttings or setts.
Jasmine
Propagate jasmine vines in summer after the current season's growth begins to harden and turn woody. Wait until after the springtime blush of flowers subsides.
2
Prepare a pot before harvesting the jasmine cutting. Fill a 4-inch square pot with a previously moistened mixture of half perlite and half milled peat. Gently shake the pot to settle the perlite, then press the surface to level it.
3
Gather a 4- to 6-inch-long semi-hardwood cutting from the tip of a jasmine vine. Choose one with a pliant, leafy tip and a semi-hardened base. Avoid cuttings with yellow leaves or other obvious signs of stress.
Mango
Propagation by seed is only recommended for poly-embryonic mango varieties such as Kensington Pride. Poly-embryonic seeds produce a number of shoots, one of which originates from fertilisation. The fertilised seedling is often weak and stunted and should be discarded. The other seedlings are clones of the mother tree.
Propagation by seed is only recommended for poly-embryonic mango varieties such as Kensington Pride. Poly-embryonic seeds produce a number of shoots, one of which originates from fertilisation. The fertilised seedling is often weak and stunted and should be discarded. The other seedlings are clones of the mother tree.However, any seed can be used to grow seedlings for grafting. The seedling will become the rootstock. Collect seconds fruit and use to propagate rootstock