Temperature grapes are open-cut cuttings that have different temperature requirements during each period of growth. When the average temperature in early spring reaches 10 °C, the grapes begin to sprout. As the temperature increases, the new shoots will accelerate and grow. The temperature suitable for shoot growth and flower bud differentiation is 25 °C ~ 38 °C. When the temperature reaches about 25 °C, the grapes can take a lot of roots. Therefore, it is necessary to provide suitable temperature for the growth of the grapes to ensure that the grape roots survive at the same time.
Light grapes are hi-light plants, which require high light, and the length of light has a great influence on the growth and development of grapes. When the light is insufficient, the new shoots grow thin, the leaves are thin, and the leaves are light. Therefore, it is necessary to improve the wind and light conditions of the frame in time.
Moisture water plays an important role in the life activities of grapes. The nutrients are dissolved in water and transported to various organs. If the soil is too dry, the roots are hard to absorb water and nutrients from the soil, and photosynthesis is weakened. However, too much water is not conducive to the growth of the grapes, causing the roots to suffocate, the new shoots are not full, the flower buds are poorly differentiated, and even the plants die. Grapes have different water requirements at different times. In the early spring germination, new shoot growth period, and young fruit expansion period, sufficient water supply is required.
Soil grapes have strong adaptability to soil. Except for suitable growth in wetlands and heavy saline soils, all other types of soil can be cultivated, and fertile sandy loam is most suitable. Different soils have different effects on grape growth and quality.
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