Apple's various physiological activities, biochemical reactions and growth and development processes must be performed under certain temperature conditions. Otherwise, their normal growth and development will be suppressed, blocked, victimized or even died.
The influence of temperature on Apple's life activities is mainly reflected in the following aspects:
Three-point temperature Apple's life activities and the temperature required for its growth and development have corresponding minimum, optimum, and maximum three-point temperatures in terms of their physiological processes. It is generally believed that the minimum temperature of apple is about 5.0 °C, the optimum temperature is 13 °C to 25 °C, the maximum temperature is about 40 °C, and due to variety, organ, age, growth period, physiological process and temperature, and other ecological factors The difference varies. The optimum average temperature for different species during the growing season is also different.
Accumulated temperature apple varieties, different organs and growth period require a certain amount of accumulated temperature. The amount of accumulated temperature has an important influence on the growth, development, yield and quality of apples. Therefore, accumulated temperature is often used as an important indicator of the characteristics of varieties and is an important basis for phenological forecast, yield quality research, ecological analysis and zoning.
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Ganzhou Green days Biochemical Technology Co., Ltd. , http://www.cn-gangdao.com