| Effect of spraying zinc fertilizer on apple growth and fruit quality in Weibei dry-land |
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| DOI：10.7606/j.issn.1000-7601.2007.03.13 |
| Key Words: zinc fertilizer apple yield and quality Weibei dryland |
| Author Name | Affiliation | | LIU Ru-liang | College of Resources and Environmental Sciences Northwest A＆F University,Yangling,Shaanxi 712100,China | | TONG Yan-an | College of Resources and Environmental Sciences Northwest A＆F University,Yangling,Shaanxi 712100,China | | FAN Hong-zhu | College of Resources and Environmental Sciences Northwest A＆F University,Yangling,Shaanxi 712100,China | | ZHAO Ying | College of Resources and Environmental Sciences Northwest A＆F University,Yangling,Shaanxi 712100,China |
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| Abstract: |
| A garden experiment with different zinc concentration applied through foliar in fruit expanding stage was carried out in Weibei dry-land to study the effect of zinc fertilizer on apple trees growth and fruit quality.The results showed that zinc fertilizer could constrain the new shoots growth.Fruit diameter growth rate,dry matter accumulation and leaf area were increased significantly.After spray of 0.5% of zinc fertilizer to the foliar,the fruit weight increased by 24.7%,soluble solids increased by 10.5%,reductive sugar increased by 27.5% and hardness increased by 23.6% respectively in comparison with control treatment.Foliar application 1% of zinc fertilizer could increase fruit weight by 40.2%,Vc by 20.4%,soluble sugar by 26.7% and anthocyanin by 75% respectively in comparison with control treatment.The reasonable zinc fertilizer concentration for foliar application of apple trees was 0.5%～1% in Weibei dry-land. |
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