Fermentation Production of EM Active Calcium and its Performance for the Prevention on Blossom-End Rot in Facility Tomato Cultivation

Abstract:

The blossom-end rot (BER) induced by calcium deficiency will cause a great impact on tomato yield and quality. Aimed at the tomato physical barriers caused by calcium deficiency, the composite micro-organisms (EM) fermentation technology was applied to configure biological active calcium preparations of different calcium concentrations, with raw materials of calcium sulfate, lime and gypsum. The active calcium preparation with calcium concentration of 1 ‰ was sprayed on the fruits during the fruit development period in the field experiment. The results show that lime with highest solubility is the best raw material for the fermentation of EM active calcium preparations with the consideration of higher calcium concentration, reasonable pH and EC value, and the lowest cost. It also shows the incidence of blossom-end rot of the experimental group is 35.36 % lower than that of CK.

• Periodical: Advanced Materials Research (Volumes 610-613)
• Pages: 138-143
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.610-613.138
• Online since: December 2012
• Authors: Jing Nan Chen, Xiao Hou Shao, Ting Ting Chang, Li Hua Chen, Wei Na Wang, Chao Yin
• Keywords: Blossom-End Rot, EM Active Calcium, Fermentation Production, Prevention, Tomato

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