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金冠和金矮生苹果,由于果面易生果锈,光洁度差,外观不佳,从而影响了果实的商品价值。研究表明,果锈是由于落花后45天内气象条件(低温、高湿、光照差)不良、用药不当和品种特性等原因所造成的。防御果锈的发生,应该采取以下几方面措施。 一、加强综合管理 加强肥水管理,增强树体的抗逆性;通过合理的整形修剪,改善冠内光照条件。 二、选用抗果锈的品种 乔纳金、红津轻、丹霞、金晕、岳金、华冠、恩派尔等优良品种,具有抗果锈之优点,可作为替代品种。
Golden Delicious and gold dwarf apple, due to rusty fruit surface, poor finish, poor appearance, thus affecting the value of the fruits of the commodity. Studies have shown that fruit rust is caused by poor weather conditions (low temperature, high humidity, bad light), improper medication and variety characteristics within 45 days after falling. The occurrence of rust prevention should take the following measures. First, to strengthen integrated management Strengthen fertilizer and water management, enhance the resilience of the tree; through reasonable plastic pruning to improve the crown light conditions. Second, the selection of anti-rust varieties Jonathan, Hongjin light, Danxia, Golden halo, Yuejin, Arima, Empire and other fine varieties, with the advantages of anti-rust, can be used as an alternative species.