The annual flower bloom of the apple tree is completed in the previous year, and the physiological differentiation and morphological differentiation are completed.
First of all, in the early drought, the physiological differentiation of flower buds was completed well, the flower buds were full, the flower buds were full; the late rainy days and the lack of light, the morphological differentiation of flower buds did not have sufficient nutrient supply, resulting in the incomplete differentiation of most flower buds; affected by rain, some autumn The tip stops late, and some even have been capped in the early stage. Later, due to the rain, the top bud is broken, causing some of the top flower buds to become difficult to form.
Secondly, in the spring of last year, the drought was severe, some farmers were not motivated, management measures were not in place, and even no fertilizer was applied. Malnutrition led to abortion of flower buds.
Again, the unsuitable environmental climate and poor management are the main reasons why many orchards in the spring last year have less flowers and more lie.
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