豫北沙地果树适宜树种及高产优质高效开发技术研究

Studies on Technique Exploitation of Fruit Trees for High-yield and Superior Quality on Sandy Land in North Henan Province

通过品种引进、试验和鉴评 ,筛选出适宜于豫北沙地栽培的优良果树品种 2 8个 ;栽培实践表明 ,高接换优技术和控冠促果措施以及生长调节剂的结合使用 ,是提高果树成花率、坐果率及产量的有效途径。通过丰产园栽培试验 ,提出矮化无病毒苹果丰产栽培 ,和梨“矮、密、早、丰”的配套栽培技术 ,及和土肥管理与病虫害防治等一整套科学的管理措施。

superior varieties of fruit trees have been selected which are suitable for sandy land in north Henan after introducing, testing and evaluating. Cultivation showed that techniques of high graft and substitution by superior varieties and control of canopy to promote fruit are effective means for raising rate of developing blossoms and fruits and yielding. Through cultivation trail of high yielding orchard, a set of cultivation techniques for pear trees and manage measurements of soil and fertilizer and means of disease and insect control have been put forward.