ChaPter 15 RELEASE OF VARIETIES AND I ESEED MULTIPLICATION Dept, of Plant Breeding and Seed Engineering
BY Niu Yingze （牛应泽） Dept. of Plant Breeding and Seed Engineering CHAPTER 15 RELEASE OF VARIETIES AND SEED MULTIPLICATION 品种审定与良种繁育
1. Current Regulations ofAgricultural seed Production (1)The Current Seed Law of P.r. China (2) Registration and release of plant cultivars (3)Plant Breeders right (4)Requirements for the seed Enterprises: Capital asset Physical /technical conditions
1. Current Regulations of Agricultural Seed Production (1) The Current Seed Law of P. R. China (2) Registration and Release of Plant Cultivars (3) Plant Breeder’s Right (4) Requirements for the Seed Enterprises: Capital asset; Physical / technical conditions
2. Registration and release of crop varieties The compulsory Tests to pass: (1) Regional tests区域试验 (2) Productive tests( Farmers field tests生产试验 (3) Technical appraisal技术鉴定(鉴定DUS“三性”) (4) Field quality control(test)田间质量鉴定 DUS: D-Distinctness U-Uniformity S- Stabilit
2. Registration and Release of Crop Varieties The compulsory Tests to pass: (1) Regional tests 区域试验 (2) Productive tests (Farmer’s field tests) 生产试验 (3) Technical appraisal 技术鉴定 （鉴定DUS “三性”） (4) Field quality control (test) 田间质量鉴定 DUS: D – Distinctness U – Uniformity S – Stability
8 1 Regional Test of New Varieties 新品种区域化鉴定 1. Regional trials (I)The system National regional test (divided into large regions) Provincial regional test (2 )The task Identification of the main characteristics(productivity, adaptation, yield stability, disease resistance, etc.) Determination of the adaptable regions Selection of suitable varieties for different regions
§1 Regional Test of New Varieties 新品种区域化鉴定 1. Regional trials (1) The System • National regional test (divided into large regions) • Provincial regional test (2) The task • Identification of the main characteristics (Productivity, adaptation, yield stability, disease resistance, etc.) • Determination of the adaptable regions • Selection of suitable varieties for different regions
杂交 淘汰组合 选单株 颐时 从优良株系中选株 同 优良 工 鉴定圃 同上优良一致株系种鉴定圃 同上 F6 鉴定圆 品比试验‖区品种比较 羞种子繁殖 Regional F 鉴定圃 种繁 生多|区域试验 品比试验 〖出试试多点试验 大田推广 图6-3系谱法杂交育种程序示意图(图中略去对照和亲本品种) 西北农业大学主编。作物育种学。1981
Regional trial