Test Bank Study Guide Rated A+

________ plants are plant material kept specifically for the purpose of propagation. a. Stock b. Parent c. Cutting d. Hardwood {Ans: a. Stock}True or False: Boutonnieres should not be designed with a bow. a) True b) False {Ans: a) True}Clogged stems in cut flowers are caused by an air embolism. An air embolism is A. Where disease organisms move into the flower from the air clogging the stem. B. Where a bubble of air enters the xylem preventing water from reaching the flower. C. Where the different between room and flower cooler temperature clog the stem. D. Where the flower stem clogs when the flower cooler temperature drops below 36 degrees F. {Ans: B. Where a bubble of air enters the xylem preventing water from reaching the flower.}High or low fertility levels can _________ crop susceptibility to _________ and _________ a) decrease, heat, cold b) increase, insects, mites c) increase, heat, cold d) decrease, insects, mites {Ans: b) increase, insects, mites}Most fungal diseases grow best in ___________. a. Dry, arid air b. Low moisture conditions c. High moisture conditions d. Seasons with drought {Ans: c. High moisture conditions}Soil pH is based on the concentration of