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一、品种选择 1.选择早熟和极早熟品种,果实发育期最长不超过80天。一般极早熟品种果实发育期在60天以内,早熟品种为60-80天。 2.选择自然休眠期短,需冷量低的品种。其需冷量最好不超过850小时。 3.选择复花芽多,花粉量大,自花结实率高,连年丰产的品种。 4.选择树体矮小,树冠紧凑,容易形成花芽的品种。 5.选择果个大,产量高,着色好,外观美,品质优的品种。 6.选择消费者喜好的品种。 7.选配好授粉品种,花期要相遇,成熟期要相
First, the choice of varieties 1. Select precocious and very early varieties, fruit development period of up to no more than 80 days. Generally very early varieties of fruit development period of less than 60 days, early maturing varieties for 60-80 days. 2. Select the natural period of short dormancy, cold to be low variety. Its best cold capacity does not exceed 850 hours. 3. Select complex flower buds, large amount of pollen, self-fertility, high yield varieties in successive years. 4. Select the tree short, crown compact, easy to form flower bud varieties. 5. Choose a large fruit, high yield, good coloring, the appearance of the United States, excellent quality varieties. 6. Choose the type of consumer preferences. 7. Optional good pollination, flowering to meet, mature phase