[1] Chung K R, Brlansky R H. University of Florida, IFAS Extension, FDACS DPI, 2005. 210.

[2] Wang N, Trivedi P. Phytopathology, 2013, 103(7): 652.

[3] Raquel R, Burns J K. Plant Growth Regul, 2011, 30(3): 312.

[4] Shokrollah H, Abdullah T L, Sijam K, et al. Australian Journal of Crop Science, 2011, 5(2): 181.

[5] Coletta H D, Takita M A, Targon M L P N, et al. Plant Disease, 2005, 89(8): 848.

[6] Sankaran S, Mishra A, Ehsani R, et al. Computer and Electronics in Agriculture, 2010, 72(1): 1.

[7] Graeff S, Link J, Claupein W. Central European Journal of Biology, 2006, 1(2): 275.

[8] Huang J F, Apan A. Journal of Spatial Science, 2006, 51(2): 129.

[9] Moshou D C, Bravo S, Wahlen J, et al. Precision Agriculture, 2006, 7(3): 149.

[10] Qin J, Burks T F, Ritenour M A, et al. Journal of Food Engineering, 2009, 93(2): 183.

[11] Gonzalez-Mora J, Vallespi C, Dima C S, et al. 10th ICPA Proceedings, Denver, Colorado, USA, 2010.

[12] Hawkins S A, Park B, Poole G H, et al. Applied Spectroscopy, 2010, 64 (1): 100.

[13] Lorente D, Aleixos N, Gomez-Sanchis J, et al. Food Bioprocess Technol., 2012, 5(4): 1121.

[14] Kumar A, Lee W S, Ehsani R, et al. International Conference on Precision Agriculture, 2010.

[15] Li X, Lee W S, Li M, et al. Computers and Electronics in Agriculture, 2012, 83(4): 32.

[19] Yang C, Lee W S, Williamson J G. Biosystem Engineering, 2012, 113: 351.