บทคัดย่องานวิจัย

หมวดหมู่ : ฐานข้อมูลงานวิจัย

Post-harvest treatments of apples with calcium chloride

Werner Dierend and Sandra Rieken

Erwerbs-Obstbau 49 (2) : 51-56. 2007

2007

บทคัดย่อ

Post-harvest treatments of apples with calcium chloride From 2003 to 2006 the efficacy of post-harvest dips in calcium chloride solution was investigated for apples. Aim of these investigations was to find out the influence of different factors o­n the Ca-uptake of apples after harvest.

The Ca-uptake of the fruit was influenced by following factors:

·the calcium chloride concentration of the dip solution,

·the duration of the dip,

·the duration of fruits' wetting,

·the apple cultivar,

·the addition of a wetting agent and

·the maturity of the fruit.

To get an appreciable Ca-uptake, the addition of a wetting agent is necessary. For a dip time of two minutes calcium chloride concentrations of 7 or 7.5% are needed. Apparently injuries of the apple skin don't appear. An elongation of the dip time or the duration of wetting increased the Ca-uptake. Cultivar and maturity of the fruit affect the Ca-uptake. The increase of the Ca-content can proved o­nly close to the apple skin (skin to 2cm depth).