乍娜葡萄在平度大泽山区,自萌芽到浆果成熟,只需100—105天,开花到结果上色仅需40天,且品质较优,易丰产、早产,但裂果是其严重问题。 据调查裂果原因主要是久旱骤雨。山东的降雨规律,一般是生长前期干旱,6月底进入雨季,如预防不当,果粒即在青色面开裂,土壤粘重的园片、弱势树及 Zadina grapes in Pingdu Dazeshan District, from bud to berry ripening, just 100-105 days, flowering to the results of color only 40 days, and better quality, easy to high yield, premature delivery, but the crack is a serious problem. According to the main reason for the cracker is a long showers. The rainfall pattern in Shandong is generally the drought of the early growth stage and enters the rainy season by the end of June. If the prevention is improper, the fruit grains are cracked on the cyan surface, the soil with heavy soil, weak trees and