University Of Georgia

HORT 2000

Module 4 Quiz

1)The Cation Exchange Capacity (CEC) of soil is a function of the                     of soil.

2. When using irrigation for frost control, when do you turn off the water?
3. Excess rainfall or overwatering…
4. Athens, Georgia is now in which cold hardiness zone?
5. The disease triangle consists of which of the following THREE components?
6. In which environment would you likely find less than 25% air in the soil?
7. Planting a resistant variety of squash eliminates which point of the disease triangle?
8. Nitrogen is the nutrient used in the greatest quantity by plants.
9. With insects that have an ametabolous life cycle...
10. Why is an insect with a complete life cycle harder to control than an insect with an ametabolous life cycle?
11. Which of the following apply to clay soils?
    1. Higher water holding capacity than sandy
    2. Higher CEC than sandy
    3. Small particle size
12. Insecticides would most likely kill…
13. One of the reasons we have so many plant disease problems with so many crops in Georgia is that the mild winters and warm summers, along with generally high relative humidity, provide excellent environmental conditions for diseases to flourish almost any time of year.
14. What is the average amount of sunlight required for “full sun” plant to be happy?
15. Which watering technique is best for plant survival?
16. Which of the following statements is true about frosts and/or freezes?
17. If a plant prefers shade, what is the approximate maximum hours of sunlight that plant should receive?
18. Rank the following, with the smallest being #1 and largest being #3.

20. The requirement for a plant to experience a cold period(s) to initiate is called...
21. Which of the following eight-legged invertebrates can cause damage to plants similar to insects that suck?
22. from the perspective of water uptake and health of plan, flood irrigation is very efficient.