T/AFFI 022-2024 Sweet cherry flower and fruit management techniques for open ground standards
T/AFFI 022-2024 Sweet cherry flower and fruit management techniques for open ground standards
Basic Information
Scope
Main Technical Content: Technical Regulations for the Management of Sweet Cherry Flower and Fruit in Open Fields 1 Scope This standard specifies the technical measures for the production and cultivation of sweet cherries in open fields, including site environment, variety selection, shaping and pruning, pre-flowering management, flowering period management, fruit period management, post-harvest management, and pest and disease control. It applies to the stable, high-quality, and efficient cultivation management of sweet cherry orchards in the southern Xinjiang region, with a tree age of over 4 years and a planting density of 834 to 1,250 trees per hectare. 2 Normative Reference Documents The following documents are essential for the application of this standard. For dated reference documents, only the version dated is applicable. For undated reference documents, the latest version (including all amendments) is applicable. - GB/T8321.9: Guidelines for the Rational Use of Pesticides - NY/T391: Environmental Quality Standards for Green Food Production Sites - NY/T393: Pesticide Use Guidelines for Green Food - NY/T496: Guidelines for the Rational Use of Fertilizers 3 Terms and Definitions 3.1 Branch Pruning The artificial fixation of growing branches at a suitable angle. 3.2 Shortening The trimming of one-year branches to leave a portion for growth. 3.3 Monosexual Fruiting The phenomenon where the ovary forms a seedless fruit without fertilization. 3.4 Mixed Branches Branches that can both sprout leaves and bear flowers and fruits. 3.5 Bouquet-Shaped Fruit Branches Branches with closely clustered flower buds that bloom in a bouquet-like manner. 3.6 Free Spindle Shape A tree with a height of 50–60 cm, a central trunk that is upright and robust, and 10–15 main branches extending unilaterally on different layers. The main branches have a large angle (80–120°) at the lower layer and a smaller angle (90–120°) at the upper layer. The