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Growth habit

The most appropriate climate and the sun: sunlight will be too little acid, too much is too sweet. Spring germination, the grape-hi 7 ~ 12 degrees temperature, then there can be frost and hail; grape branch growth, the temperature preferably between 20 to 25 degrees, not cold not hot, but also bright and sunny; autumn, the grapes began to mature, the ideal temperature of 20 ~ 25 degrees, nice and cool in the rain at this time not to. Place is too cold, it is difficult vines over the winter, summer temperatures in these areas is not high, it is difficult grape maturity; hot places, plant diseases and insect pests, and if it's winter temperatures frequently exceed 10 degrees, grape root will continue to slow the supply of deadwood nutrients, the second year of the germination of grape when malnutrition.