NY/T 689-2003

Active

Guava Grafted Seedlings

番石榴 嫁接苗

Standard Type
NY
ICS
N/A
CCS
N/A
Status
Active
Issue Date
2003-12-01
Implementation
2004-03-01
Centralized Committee
农业部热带作物及制品标准化技术委员会 / Technical Committee for Standardization of Tropical Crops and Products, Ministry of Agriculture
Issuing Authority
中华人民共和国农业部 / Ministry of Agriculture of the People's Republic of China

Catalogue

前言 → 1 范围 → 2 规范性引用文件 → 3 术语和定义 → 4 要求 → 5 试验方法 → 6 检验规则 → 7 包装、标志 → 8 运输、贮存 → 附录A → 附录B → 附录C → 附录D → 附录E Foreword → 1 Scope → 2 Normative References → 3 Terms and Definitions → 4 Requirements → 5 Test Methods → 6 Inspection Rules → 7 Packaging and Marking → 8 Transport and Storage → Annex A → Annex B → Annex C → Annex D → Annex E

Scope

This standard specifies the requirements, test methods, inspection rules, packaging, marking, storage, and transport of grafted seedlings of guava (Psidium guajava L.). This standard applies to grafted seedlings of guava.

本标准规定了番石榴(Psidium guajava L. )嫁接苗的要求、试验方法、检验规则、包装、标志、贮存、运输。本标准适用于番石榴的嫁接苗。

Normative References

GB 9847 GB 15569 《植物检疫条例》 《植物检疫条例实施细则(农业部分)》

Keywords

番石榴 (guava) 嫁接苗 (grafted seedling) 质量要求 (quality requirements) 检验规则 (inspection rules) 包装 (packaging) 标志 (marking) 运输 (transport) 贮存 (storage)

Application Summary AI generated

Guava growers and nurseries use this standard to produce and inspect grafted seedlings. It ensures seedlings are true-to-type, vigorous, and pest-free, boosting yield and fruit quality. This standard is vital for regulating the guava seedling market and promoting healthy industry development.

番石榴种植户和育苗企业使用本标准来生产和检验嫁接苗的质量。本标准帮助确保苗木品种纯正、生长健壮、无病虫害,从而提高番石榴的产量和品质。它对于规范番石榴苗木市场、促进产业健康发展具有重要意义。

AI Summary AI generated

This standard specifies quality requirements, test methods, inspection rules, packaging, marking, transport, and storage for guava grafted seedlings. Rootstocks and scions must be true-to-type, vigorous, with well-healed grafts, seedling height ≥45 cm, and developed roots. Seedlings are graded into first and second classes based on purity, graft height, stem diameter, etc. Inspection covers appearance, purity, and quarantine. Packaging and transport ensure moisture retention and damage prevention; storage involves temporary planting with moisture.

本标准规定了番石榴嫁接苗的质量要求、试验方法、检验规则、包装、标志、运输和贮存。要求砧木和接穗品种纯正、生长健壮,嫁接愈合良好,苗高≥45cm,根系发达。苗木按品种纯度、嫁接口高度、茎粗等指标分为一级和二级。检验包括外观、纯度和疫情检验。包装运输需保湿防损,贮存需假植保湿。

Key Sentences extracted from text

1.

本标准规定了番石榴(Psidium guajava L. )嫁接苗的要求、试验方法、检验规则、包装、标志、贮存、运输。

2.

嫁接口愈合程度:上下平滑愈合良好,无隆起或瘤状肿大,解除绑带无绞缴现象;

3.

嫁接苗高度)45 cm;

4.

品种纯度:具有同一品种的相同特征的苗木个体的比例,用本品种苗木株数占供检苗木株数的百分率表示。

5.

一级苗:同一批检验苗木中,允许有5%的苗低于一级苗标准,但应达到二级苗标准。

7.

This standard specifies the requirements, test methods, inspection rules, packaging, marking, storage, and transport of grafted seedlings of guava (Psidium guajava L.).

8.

Graft union healing degree: smooth and well-healed at the top and bottom, without bulges or tumor-like swelling, and no strangulation after removing the binding tape.

9.

Grafted seedling height ≥ 45 cm.

10.

Variety purity: the proportion of individual seedlings with the same characteristics of the same variety, expressed as the percentage of the number of seedlings of this variety to the total number of inspected seedlings.

11.

First-grade seedlings: in the same batch of inspected seedlings, 5% of seedlings are allowed to be below the first-grade standard, but must meet the second-grade standard.

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.