以下为句子列表：
英文: Gradual defoliation (lower leaves yellow and fall) ... Overwatering (root damage), underwatering (not enough water to support full foliage), lack of sufficient light, or lack of fertilizer.
中文: 逐渐落叶（下端叶子变黄脱落）...浇水过多（伤根），浇水不足（没有足够的水供所有的叶子），缺光，缺肥。
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英文: Rapid defoliation ...Rapid changes in temperature, or light. Overwatering, underwatering, or exposure to drafts.
中文: 急剧落叶...温度或光线急剧变化，浇水过多/不足，或置于通风装置前。
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英文: Restriction of vegetative growth to ensure flower initiation, defoliation to prevent the onset of dormancy, stimulation of adequate and uniform budburst, and avoidance of secondary dormancy are essential for success of non-dormancy culture.
中文: 控制营养生长、保证花芽分化，使树体避开休眠，促进足够多的芽整齐萌发，避免二次休眠的发生是无休眠栽培成功的4项重要保证。
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