Plant Propagation by Stem Cuttings Test in Microsoft Word

8/11/2019 Plant Propagation by Stem Cuttings Test in Microsoft Word

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Name: ___________________________

Plant Propagation by Stem Cuttings

Written Evaluation

1. Any detached plant part which, when placed under favorable conditions will

produce a new plant identical to the parent plant is called a:

A. cuttingB. seed

C. plug

. graft

!. "his type of cutting is ta#en in the dormant season when tissues are fully matured

and lignified. "his may be after the leaves have dropped.

A. $oftwood

B. $emi%hardwoodC. &ardwood

. &erbaceous

'. "his mineral is e(posed to high heat and e(panded. )t is often used as a

propagation media.A. *erlite

B. +ermiculite

C. *eat oss

. $and

-. hat are two of the most important /ualities to loo# for when selecting a rootingmedia0

1. ________________________ !. ________________________

. hy is it important to select cutting stoc# free of berries and flowers0

A. "he flowers and berries ta#e up too much space in the propagation bed.

B. Because berries and flowers weigh down the cuttings and may cause themto tip over.

C. "he flowers and berries would attract harmful insects to the cuttings.

. Because they consume much of the food stored in and produced by the

cutting.

2. hy is it important to transport cutting stoc# from the field to the propagation

area in a plastic bag0A. "o #eep your hands and clothing clean.

B. "o help maintain the moisture level of the cutting stoc#.

C. Because a paper bag would tear too easily. "o maintain the integrity of the soil around the roots.


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3. hen ta#ing the cutting from the stoc# plant, at what angle should the cut be

made0A. !%degrees

B. -%degrees

C. 24%degrees. 54%degrees

6. hat is the name for cuttings made below the top of the branch0A. 7niform cuttings

B. $tem%tip cuttings

C. edial cuttings

. ounded cuttings

5. hat is the optimum length for most cuttings0

A. 1 to ' inches

B. ' to 2 inchesC. 2 to 6 inches

. 14 to 1! inches

14. hy must cutting si8e be limited0 9short answer

11. "he bottom leaves from the cutting should be removed before ;stic#ing; the

cutting for which of the following reasons.

A. "he leaves may rotB. "he leaves may become diseased

C. Neither A nor B

. Both A and B

1!. hen stic#ing a cutting, how many nodes should be under the rooting medium0

A. At least 1

B. 1 to 'C. ! to -

. ' to

1'.


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1-. hy are cuttings sometimes cut at a 54%degree angle at the top and a -%degree

angle at the bottom0

A. "o help the propagator observe polarity.B. $o the top and bottom are not mi(ed up.

C. $o the cutting does not get planted upside down.

. All of the above.

1. hy are rooting hormones applied to cuttings0

A. "o increase the plant=s ability to reproduce.B. "o promote the production of a new root system.

C. "o help the cutting resist disease.

. "o promote the production of healthy leaves, flowers and berries.

12. hy must a hole or furrow be made in the growing media before stic#ing the

cutting0

A. "o prevent the rooting hormone from getting #noc#ed off the end of the

cutting.B. "o ma#e the process of stic#ing the cutting easier.

C. "o establish the depth to which the cutting should be planted.. "o maintain good air circulation around the cutting=s base.

13. &ow many seconds should a cutting be held in a li/uid rooting hormone0

A. !B.

C. 14

. 1!

16. &ow far should cuttings be inserted into the rooting media0

A. > ; to ' ;B. ? ; to ! ;

C. 1; to !;

. 1 > ; to ';

15. @ist ' ways in which uniformity is established.

1. ____________________________________________________________

!. ____________________________________________________________'. ____________________________________________________________

!4. )t is important to firm the soil around the base of the cutting for which of thefollowing reasons:

A. "o eliminate air poc#ets.

B. "o ma#e sure the base of the cutting ma#es good contact with the rootingmedia.

C. Neither A nor B

. Both A and B


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!1. iving a slight tug on the cutting once it has been stuc# is a test to see if it was

properly _________________0A. planted

B. firmed

C. spaced. cut

!!. hy is it important to evenly space the cuttings in the rooting medium0A. "o promote good air circulation.

B. "o cut down on the transmission of disease organisms.

C. "o ma#e the best use of the propagation space.

. All of the above.

!'. hat portion of the stem of a cutting should be coated with rooting hormone0

A. A portion which includes at least two nodes.B. "he bottom inch.

C. "he portion of the stem that will be under the media.. "he entire cutting should be covered with hormone.

!-. hat information is most important to be included on the label placed in the

container when cuttings are ta#en0

1. ________________________ !. ________________________

'. ________________________ -. ________________________

!. hat is the final step of preparing cuttings0A. *reparing the rooting media.

B. $electing /uality cutting stoc#.

C. "he application of rooting hormone.. atering%in and placing the cuttings on a mist bed.

!2. hy must any left over rooting hormone be discarded after use0

A. "o eliminate the possibility of contaminating the entire supply of rootinghormone.

B. "o conserve funds used to purchase rooting hormone.

C. "o deplete the supply of rooting hormone to help #eep the supplier inbusiness.

. "o assist the propagator in #eeping the area neat and free of debris.

!3. @ist two solutions which can be used to saniti8e the tools used in preparing

cuttings.

1. ________________________ !. ________________________


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!6. hy might a propagator trim the leaves of large%leaved cuttings0

A. "o eliminate unsightly insect damage.B. "o conserve propagation space.

C. "o shape the leaves into topiaries.

. "o achieve a uniform leaf si8e and shape.

!5. hat type of cutting does notbecome woody0

A. $oftwoodB. $emi%hardwood

C. &ardwood

. &erbaceous

'4. hich of the following groups of plants are often propagated from herbaceous

cuttings0

A. carnation, chrysanthemum, coleus and geranium.

B. a8alea, coleus, geranium and bo(woodC. camellia, crepe myrtle, gardenia, holly

. dogwood, gin#go, hemloc#,mountain laurel


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Plant Propagation by Stem Cuttings

Written Evaluation

KEY1. A.

!. C.

'. B.-. 1. ater holding capacity !. Air holding capacity

. .

2. B.3. B.

6. C.

5. B.

14. Cutting si8e must be limited because the top of the cutting must be supported by

the limited amount of moisture that can be absorbed through the base until rootingta#es place.

11. .1!. A.

1'. ounding e(poses more cambium and increases the chances of rooting while also

decreasing the time re/uired for a cutting to root. "he bar# layer is removed fromthe base of the cutting > to 1 inch from the bottom of the cutting with a #nife or

the blade of a shear.

1-. .1. B.

12. A.

13. B.16. C.15. 1. By ma#ing all the cuttings the same si8e.

!. By placing all the cuttings at the same planting depth.

'. By ma#ing all the holes the same depth.!4. .

!1. B.

!!. .!'. C.

!-. 1. $cientific Name !. Cultivar

'. Common Name -. ate

!. .!2. A.

!3. 1. Alcohol 9ubbing !. A 14D bleach solution

!6. B.!5. .

'4. A.

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Plant Propagation by Stem Cuttings Test in Microsoft Word