T/YNFS 006-2021 Technical specifications for assessing the adaptability of fine walnut varieties

Scope

Main Technical Content: Table of Contents I. Preface II. 1 Scope 3 Normative References 2 Terms and Definitions 4 Technical Requirements 44.1 Experimental Conditions 44.2 Investigation Objects 44.3 Investigation Time 44.4 Investigation Content 44.5 Evaluation Index System 45 Evaluation Methods 45.1 Indicators and Grading 45.2 Basic Information 55.2.1 Cultivar Name 55.2.2 Observation Site 55.2.3 Altitude 55.2.4 Longitude 55.2.5 Latitude 55.2.6 Annual Sunshine Hours 55.2.7 Frost-free Period 55.2.8 Annual Average Temperature 55.2.9 Annual Effective Temperature Sum 55.2.10 Annual Average Rainfall 55.2.11 Planting Pattern 55.2.12 Site Type 55.2.13 Slope Position 55.2.14 Slope Exposure 65.2.15 Slope Gradient 65.2.16 Drainage Conditions 65.2.17 Soil Texture 65.2.18 Soil Color 65.2.19 Soil Thickness 65.3 Morphological and Biological Characteristics 65.3.1 Age of Rootstock 65.3.2 Grafting Time 65.3.3 Tree Vigor 65.3.4 Branching Ability 65.3.5 Stem Diameter 65.3.6 Crown Width 65.3.7 Side Shoots Producing Fruit Branches 75.3.8 Developmental Branch Length 75.3.9 Dioecious Maturation 75.3.10 Early and Late Fruit Ripening 75.3.11 Single Branch Fruit Number 75.3.12 Fruit Branch Ratio 75.3.13 Yield 75.3.14 Stability of Yield 75.3.15 Germination Period 75.3.16 Male Flowering Period 75.3.17 Female Flowering Period 75.3.18 Fruit Development Period 85.3.19 Fruit Maturity Period 85.3.20 Leaf Fall Period 85.4 Fruit Characteristics 85.4.1 Green Loss Rate 85.4.2 Drying Rate 85.4.3 Fruit Shape 85.4.4 Hull-Seed Indication Characteristics 85.4.5 Seam Density 85.4.6 Longitudinal Diameter 85.4.7 Transverse Diameter 85.4.8 Lateral Diameter 95.4.9 Single Fruit Weight 95.4.10 Hull-Seed Thickness 95.4.11 Naked Seed Phenomenon 95.4.12 Nut Ope

Development Information

Related Standards