What structure on the underside of a leaf allows the leaf to breathe or transpire?
Stoma
100
What are the four fields of horticulture?
pomology, olericulture, floriculture, landscape and nursery industry
100
What is added to soil to aid in moisture retention?
organic matter
100
What is the male reproductive parts of a plant?
Stamen
100
Growing seeds in flats is known as _______________.
indirect seeding
200
Which part of the root absorbs the moisture and minerals?
root hairs
200
What is pomology?
fruit trees
200
What can be used to determine the type of soil you may have in your garden?
soil traingle
200
Female reproductive part of a flower is called_________
the pistil
200
What is scarification? How is this seen in nature?
Soaking or scratching the seed coat to allow for increased moisture absorption. This occurs naturally by seeds being passed through the intestinal tract (acid) of an animal.
300
The stem that supports the leaf is known as a _________.
Petiole
300
What is oericulture?
storage and marketing and harvesting of vegetables
300
What is the ideal air-to water ratio in soil?
50%-50%
300
What is a complete flower?
contains petals, sepals, stamens and pistils
300
What percentage of humidity should new cuttings be kept at? How can this be accomplished?
100% - constant misting and a clear plastic bag placed over the cutting.
400
Small openings on the stem of the plant that allows gases to exchange are called ________________.
Lenticles
400
What is horticulture therapy?
An individual trained in the area of horticulture techniques as well as behavioral science and physical education
400
What is plant growth influenced by?
temperature - ideal around 80-85 degrees
400
What are the sepals and what is their function?
green leaf like parts that protect the flower before it opens
400
What is the "juvenile effect"?
cuttings from young plants (such as seedlings) and rooted cutting root much faster.
500
How can a person determine the growth of a plant for a one year period?
the distance between two bud scale scars
500
Discuss how two areas of the field of horticulture may work together to bring about a product or result.
answers will vary.
500
Where do nutritional deficiencies show up in a plant? What might you see that would indicate a nitrogen or potassium deficiency?
Leaves- 1. nitrogen= yellowing 2. red color on the margins of the leaf
500
Explain the difference between a tap root and a fibrous root system.
A tap root is longer and has fewer smaller roots. This central tap root serves as a food storage system. The fibrous root is shorter, smaller and has many more roots.
500
Explain the difference between separation and division.
Separation is the natural process by which certain parts are removed from the parent plant to become new plants. Division is a method of propagation by which plant parts are cut into sections and each are capable of developing a new plant part.