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| The main difference between separation and division is: |
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Definition
| separation is natural, division they must be cut apart |
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| The specialized plant parts used in division and separation have two function. One is for propagation, the other is: |
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| Daffodil bulbs are stored at: |
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| The tops of bulb-producing plants should be allowed to continue growing until they die naturally because: |
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| they continue to manufacture food for storage in the bulbs |
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| Potted plants such as a potted amaryllis can be forced into dormancy by withholding: |
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| Lily bulbs are loosely sealed bulbs and must be stored in moist sand, peat, or sawdust to prevent: |
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| The Easter lily is propagated commercially with underground |
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| The gladiolus is propagated through formation of small: |
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| In propagation by division, the section of dahlia root that is cut from the mother clump must have a: |
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| A rhizome is an underground |
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| an example of a plant propagated with rhizomes is |
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| Tuberous roots are thickened |
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| Bulbs and corms reproduce by a process known as |
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| Two different plants being united so they grow as one |
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| List five reasons for grafting |
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Definition
1. rapidly increase number of plants
2. gives plants a stronger, more disease resistant roots
3. To topwork large trees
4. To insert different variety on part of the limbs on trees for cross pollination purposes
5. To propagate plants that are difficult to bud |
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Term
| Whip or tongue grafting are the best method to use when the rootstock and scion are: |
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Definition
| About the same size in diameter |
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| The goal in grafting is to unite two plants... |
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| in a physical union so that they grow together |
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| In grafting, great care must be used to march which layer of the scion and rootstock? |
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| The ideal time of the year to cleft graft is |
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Definition
| early spring, just before the buds start to swell |
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Term
| The side veneer graft is the most effective way to propagate the |
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Definition
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| The best time of year to whip or tongue graft is |
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Definition
| winter when plants are dormant |
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| The top part of a grafteed Colorado blue Spruce shoudl be protected very carefully from drying because |
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| In cleft grafting one side of the scion is cut thicker than the other |
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Definition
1. so that there is more pressure on that side, resulting in close contact with the cambium
2. so that the scion is handled more easily
3. so that the scion makes more rapid growth |
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Term
| All cut areas that are left exposed in the grafting process should be covered with waterproof material to... |
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| A new technique modifying the usual whip or cleft graft method used to root roses more quickly |
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Definition
1. The bud stick must have mature buds
2. a single bud is used instead of a scion
3. only vegetative buds are used |
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| T-budding is done when the rootstock is |
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Definition
| in active growth and about the size of a pencil |
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| vegetative or leaf buds may be differentiated from flower buds because... |
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Definition
| they are more slender or pointed |
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Definition
1. actively growing wood
2. healthy wood
3. the current season's growth |
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Definition
1. grown from seeds planted in previous years
2. generally about the size of a pencil
3. of a closely related plant species |
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Term
| The bud is inserted into the rootstock |
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Definition
| on the north side 2 inches above the ground |
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| From which portion of the bud stick are the best quality buds obtained |
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| Three plants commercially propagated by budding are the |
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| The bud is cut with a small shield of |
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| The seedling is the proper state of growth for budding if upon opening the T-shaped cut in the seedling, the bark separates from the wood |
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Definition
| easily enough so the bud can be inserted |
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| The leaf stem or petiole is left on the bud because |
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Definition
| it acts as a handle for holding the bud |
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| The bud is tied tightly in place with a bud tie so that |
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Definition
| it is held firmly in place against the rootstock |
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| An inspection to see if the bud has grown and is alive should be made in about |
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| The spring after the bud is attached, the seedling rootstock top is cut off where? |
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| In the development as a new bud, what must be pinched off as they appear on the rootstock below the bud? |
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| The new plant may be transplanted to a permanent site in |
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| The following occurs in budding, but not in grafting |
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Definition
| vegetative leaf bud is used, and placed closer to the ground on the rootstock |
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| chip budding is widely used to propagate ____ as well as other plants |
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| What is the biggest advantage in using chip budding? |
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Definition
| it can be done when the plant is not in active growth |
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Term
| Layering is used to propagate plants that are |
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Definition
| difficult to grow from seed |
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| The main difference in propagating by layering as opposed to cuttings is that in layering, the newly propagated parent plant is |
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Definition
| cut from the parent plant, layering is remains attached to the parent plant |
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| Which of the following plants are commonly propagated by layering? |
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Definition
| black raspberry, boysenberry, strawberry, red raspberry, African violet |
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Term
| When a rooted layer being transplanted had a small root system and a large top, the plant's moisture requirements are balanced by |
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Definition
| using mulch to conserve moisture |
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Term
| The age of the wood affects the speed at which layers root. Younger (one-year-old) wood generally roots |
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Definition
| more rapidly than older wood |
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Term
| In air layering, cutting the bark off the stem, known as girdling, does what? |
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Definition
| stimulates root formation just above the point of girdling |
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| The cut area on the layered stem is dusted with a rooting agent to |
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Definition
| cause roots to form faster |
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| The main reason for covering the sphagnum moss that is packed around the air layers with polyethylene plastic that |
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Definition
| holds in moisture and allows that plant roots to breathe |
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