【摘要】 通过对果树抽条现象的调查研究 ,阐明了果树抽条的症状及发病原因 ,并提出了具体的预防措施更多还原

【Abstract】 Through the investigation and analysis, some symptoms of withering branch of young fruit trees in spring and causes from tree themselves and environmental factors had been found . Thereby, concrete preventive measures were presented in this paper.更多还原