【摘要】 以引种至天津的4个火龙果品种为试材,对火龙果进行品种筛选及花果生长速率的研究,筛选出适宜于天津地区栽培的火龙果品种,并确定了设施生产中适宜的疏花、疏果时期及肥水管理时期。结果表明:适宜于天津地区栽培的丰产、优质的红肉型品种为"非洲红",在花苞生长的8d内宜进行疏花管理,在花后果实生长的9d内宜进行疏果管理,在花苞生长的幼蕾期和果实膨大期宜进行肥水供给。更多还原

【Abstract】 Using the four varieties of pitaya which were introduced to Tianjin as test materials,the pitaya variety screening and flower and fruit growth rate were studied,then the right variety were filtered out which was suitable for Tianjin area,and the appropriate flower and fruit thinning period and the period of fertilizer and water management was determined in production facilities.The results showed that ’Africa red’ was the high yielding and high quality variety which was suitable for Tianjin area,the flower thinning management should be conducted within 8 d of the bud growth period,the fruit thinning management should be carried out within 9 days of the fruit growth period,and the fertilizer and water supply should be carried out during the young bud stage and the period of the fruits enlargement stage.更多还原