STATE FFA NURSERY/LANDSCAPE CONTEST General Knowledge Section 1986 Directions: Select the best answer and mark your selection on the separate answer sheet provided. Black out completely the letter that corresponds to the answer for each question. Use only a #2 pencil to mark your answers. 1. John discovered that the pH reading for his soil was much too low. He decides he needs to add lime and change the type of fertilizer he uses to reduce the acidity of the soil. He should change to . A. ammonium phosphate. C. urea B. calcium nitrate. D. ammonium nitrate 2. A solenoid valve . . . A. is a good supplemental light source. B. is a single node on a stem. C. is a type of switch often used for controlling water flow. D. regulates the heating and cooling system in a greenhouse. 3. Which plant(s) below grows best in an acidic soil (pH 5.0-6.0)? A. azaleas C. camellias B. centipede grass D. all the above 4. Bulbs are dug and separated . . . A. after the foliage dies back B. when the plant is in a dormant state C. in the early winter D. all of the above 5. The response when plants bend in the direction of more intense light is termed . A. photoperiodism C. photo response B. phototropism D. photosynthesis 6. Which of the following is true for good designs A. Fences are preferred over a hedge. B. Hedges are preferred over fences. C. Hedges should always cover the lower portion of a fence. D. None of the above. 7. How often a nursery crop needs water depends on . . . A. the type of plant. B. how much light the plant receives. C. the type of soil it is planted in. D. all the above. 8. A common problem with azaleas is . . . A. iron chlorosis C. lace bugs B. all the above D. none of the above 9. Suzie examined the soil mix she had just purchased. She recognized one of the ingredients as pine bark. This was a good nursery growing mix and there were two other ingredients. Select the two other likely ingredients from the list below. A. perlite and sawdust B. vermiculite and sand C. wheat straw and sand D. either B or C 10. Wilber Wilt found several insects and pests on his juniper crop and asked you for your thoughts on the seriousness of the problem. Mr. Wilt should be most concerned about the A. spider mites C. house flies B. lady bugs D. saw bugs 11. A very effective insecticide but one that is also highly lethal to humans is . A. temik C. benlate B. pentac D. captan 12. Which material would you have the least need for in producing azaleas? A. 20-20-20 fertilizer C. peatmoss B. lime D. insecticide 13. Which of the following plants should not be planted in full sun? A. camellia C. live oak B. yucca D. sweet gum 14. Which grass below has the coarsest texture? A. Bermuda 419 C. Common Bermuda B. Centipede D. There is very little difference in the texture of any of these. 15. To avoid violating the principle of scale, you might choose a as a tree for a very small house. A. sycamore C. sweet gum B. flowering crabapple D. japanese fatsia 16. Which plant listed below could be shipped cheaper than the others because it could be sold bare root (assume the plants are of sufficient size for landscape purposes)? A. foster holly C. border forsythia B. kurume azalea D. helleri holly 17. Two types of mowers used on lawns are? A. reel and rotary C. reel and flail B. rotary and flail D. suction and rotary 18. A cold frame is 20 ft. x 100 ft. If each pot occupies a space 18 inches x 18 inches and a walk 3 ft. wide runs the full length of the house, how many pots can be placed in the house? A. 755 C. 7555 B. 6491 D. 649 19. Which date listed below would be the closest to the test frost date for middle Georgia? A. January 1 C. April 1 B. March 1 D. February 1 20. Which pH reading is the most alkaline? A. 5.5 C. 7.7 B. 6.0 D. 4.9 21. Which of the materials listed below is suitable for landscape construction if the material will be in close contact with landscape plants? A. new cross ties C. creosoted lumber B. old cross ties D. all are suitable 22. Which statement is true about landscape architects? A. They are often concerned with traffic flow and the lay out of drives. B. They are often responsible for designing walks and patios. C. They are concerned with elevations, drainage and with designing drainage systems. D. all the above are true. 23. Many nurseries in Georgia use the area under as their growing areas for certain plants because of the shade they provide. A. Pine trees C. Oak trees B. Sweet gum trees D. Red maple trees 24. Ammonium nitrate contains no . A. nitrogen C. phosphorus or potassium B. nitrogen or potassium D. nitrogen or phosphorus 25. One of the most common mulches for commercial landscape plantings in Georgia is? A. pine straw C. peat moss B. wheat straw D. compost 26. When a small engine will not start, one of the first things to do is . . . A. Clean the breather C. check for ignition spark at the spark plug B. check the blade for binding. D. reset the fly wheel. 27. If you need a turfgrass for a site that has both shady and sunny areas, then would be the best choice of those listed below. A. common bermuda C. hybrid Bermuda B. zoysia D. none of the above 28. Choose the combination below that most nearly approximates the minimum widths for residential walks and drives. A. walks 3 ft., drives 15 ft. C. walks 3 ft., drives 10 ft. B. walks 2 ft., drives 8 ft. D. walks 2 ft., drives 10 ft. 29. Permission to ship plants from state to state may be denied by the Department of Agriculture for all the following reasons except . A. fire ants C. aphids B. fire blight D. increment borers 30. High pH levels of soil is associated with . A. iron chlorosis in azaleas C. ricketts in camellias B. canker in oaks D. all the above 31. In Georgia, most of the nursery crops are grown in containers in the field and are protected (or should be) in during the winter. A. cold frames C. greenhouses B. sheds D. shade houses 32. The word Ahorticulture@ is a latin word that means . . . A. ''grower of crops." C. Alover of plants@ B. Agarden cultivation@ D. APlant cultivator@ 33. Seeds are composed of . . . A. seed coat, endosperm, and an embryo B. endosperm, a root, and a stem C. an eye, starch, and seed coat D. an embryo, starch and endosperm 34. The best temperature for the germination of most seeds is . A. 50 to 60 degrees F C. 85 to 9O degrees F B. 65 to 75 degrees F D. 80 to 85 degrees F 35. Why are hybrid seed so much more expensive than non-hybrids? A. More labor is involved in the production of hybrids. B. A lot of expensive research has gone into tbe development of hybrids. C. Hybrids are superior to non-hybribs and demand for them is high. D. All the above 36. The first part of the new plant to emerge from the seed is the A. root C. stem B. leaves D. endosperm 37. Azaleas are propagated commercially by . A. seeds in the fall C. cuttings in spring and summer B. seeds in the spring D. cuttings after the last frost 38. When sawdust is used in the soil . . . A. it tends to pack too tightly. B. weed control may be a problem. C. extra nitrogen must be applied to the soil. D. the soil becomes too alkaline. 39. Which material is rarely used in modern culture of potted horticultural crops at the commercial level? A. manure C. topsoil B. compost D. al1 of these 40. To mix a cubic yard of 1:1:1 soil you would add cubic feet of each ingredient. A.9 C. 12 B. 27 D. none of these 41. Simple layering can be used to propagate . A. forsythia C. liriope B. loblolly pine D. red bud 42. All the following nutrients are needed by plants except: A. N,P,K,Ca,Ma B. Fh,Mn,Cl,Lm C. C,H,O,P,K D. Ca,Mg,S,Fe 43. The process of hardening off plants can be accomplished by . A. decreasing fertilizer C. decreasing water B. exposing plants to cooler temperatures D. al1 the above 44 Which of the following is true for good design? A. Fences are preferred over a hedge. B. Hedges are preferred over fences. C. Hedges should always cover the lower portion of a fence. D. None of the above. 45. Rex and Richard were in business growing garden mums and delivering them to retailers. Their fixed cost of production was $.30 per pot and the total variable cost was $.90 per pot. Due to uncontrollable circumstances they were able to get only $1.10 per pot bid for their plants. There is no alternative use for their crop so Richard said . . . A. we should get a larger truck. B. we should sell because we expect the price to go up for the next crop and we can recover solve of our fixed cost. C. we should not sell, it never makes good sense to sell for less than it cost to grow the crop. D. none of the above is the best alternative. 46. Which of the following horticultural businesses is not plagued by seasonal busy and slack times that among other things make keeping good employees in productive work a problem? A. garden centers C. landscape services B. nurseries D. all the above have this problem 47. A pine tree is classified as a . A. coniferous evergreen C. deciduous conifer B. crown conifer D. quanset evergreen 48. When pruning a large tree limb cut should be made first. A. an undercut C. a pinch cut B. an overcut D. drop cut 49. Overhead watering system; are most successful when . . . A. the plants are the same species and are the same size. B. the plants are in the same size pots. C. the same soil mix is used for all the plants. D. all the above. 50. Clipped hedges should be . . . A. widest at the bottom. C. widest at the tap. B. widest at the ends of the hedge row. D. it does not matter.
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