1Kelley KM, Behe BK, Biembaum JA. Combinations of colors and species of containerized edible flowers: Effect on consumer preferences[J]. HortScienee, 2002, 37(1):218-221.
2Mason SC, tarman TW, Ineberger D. et al. Consumer Preferences for price, color harmony, and care Information of container Gardens[J].HortScience, 2008,43(2):380- 384.