NY/T 1685-2009

Rapid technical propagation rules for young cassava cutting

木薯嫩茎枝种苗快速繁殖技术规程

Standard Type
NY
ICS
65.020.20
CCS
B61
Status
N/A
Issue Date
2009-03-09
Implementation
2009-05-01
Centralized Committee
农业部农垦局热带作物及制品标准化技术委员会 / Tropical Crops and Products Standardization Technical Committee of the Reclamation Bureau of the 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 立地条件 → 5 植前准备 Foreword → 1 Scope → 2 Normative References → 3 Terms and Definitions → 4 Site Conditions → 5 Pre-planting Preparation

Scope

This regulation specifies the site conditions, variety and young stem cutting selection, planting methods, temperature and humidity control, water and fertilizer management, pest and weed control and other technical requirements for the propagation of young cassava (Manihot esculenta Crantz) stem cuttings. This standard applies to the rapid propagation production of young cassava stem cuttings.

本规程规定了木薯(Manihot esculenta Crantz) 嫩茎枝种苗繁殖的立地条件,品种与嫩茎枝选择,种植方法,温湿调控 ,水肥管理,病虫草害防治等技术要求。本标准适用于木薯嫩茎枝种苗的快速繁殖生产。

Normative References

GB 4284 GB 4285 GB 8172 GB 8321 GB 17420 NY/T 227 NY/T 393 NY/T 394

Keywords

木薯 (cassava) 嫩茎枝 (young stem cutting) 种苗 (seedling) 快速繁殖 (rapid propagation) 技术规程 (technical regulation) 立地条件 (site conditions) 品种选择 (variety selection)

Application Summary AI generated

Cassava farmers and agricultural extension workers use this standard to rapidly propagate young cassava stem cuttings. It helps ensure seedling quality, improve propagation efficiency, and reduce pest and disease risks. This standard is important for the sustainable development of the cassava industry.

木薯种植户和农业技术推广人员使用该标准来快速繁殖木薯嫩茎枝种苗。它帮助确保种苗质量,提高繁殖效率,并减少病虫害风险。该标准对保障木薯产业的可持续发展具有重要意义。

AI Summary AI generated

This standard specifies technical requirements for the rapid propagation of young cassava stem cuttings, including site conditions, variety selection, planting methods, temperature and humidity control, water and fertilizer management, and pest and weed control. It applies to the rapid propagation production of young cassava stem cuttings. The standard emphasizes selecting varieties with strong stress resistance, high yield, and good quality, and details pre-planting preparation steps such as land preparation, soil disinfection, and organic fertilizer application to ensure seedling quality and propagation efficiency.

该标准规定了木薯嫩茎枝种苗快速繁殖的技术要求,包括立地条件、品种选择、种植方法、温湿调控、水肥管理及病虫草害防治。适用于木薯嫩茎枝种苗的快速繁殖生产。标准强调选择抗逆性强、高产优质的品种,并详细说明了备耕、土壤消毒和有机肥施用等植前准备步骤,以确保种苗质量和繁殖效率。

Key Sentences extracted from text

1.

本规程规定了木薯(Manihot esculenta Crantz) 嫩茎枝种苗繁殖的立地条件,品种与嫩茎枝选择,种植方法,温湿调控 ,水肥管理,病虫草害防治等技术要求。

2.

嫩茎枝为未完全木质化的新鲜主茎和分枝。

3.

品种纯度按批次抽检出的某一品种的种茎数占全部抽检数的百分率。

4.

适宜生长温度17℃~37℃ ,最适温度25℃~30℃。

5.

深耕 30 cm~40 cm 后 ,晒地 1个月,种植前,结合犁耙整地,每公顷施15t~45 t腐熟有机肥,应符合 GB 8172 和 GB 4284 的要求。

7.

This regulation specifies the site conditions, variety and young stem cutting selection, planting methods, temperature and humidity control, water and fertilizer management, pest and weed control and other technical requirements for the propagation of young cassava (Manihot esculenta Crantz) stem cuttings.

8.

Young stem cutting is the fresh main stem and branches that are not completely lignified.

9.

Variety purity is the percentage of stem cuttings of a certain variety in a batch sample out of the total number of samples inspected.

10.

Suitable growth temperature is 17℃~37℃, optimum temperature is 25℃~30℃.

11.

After deep plowing 30 cm~40 cm, sun the land for 1 month; before planting, combined with plowing and harrowing, apply 15 t~45 t of decomposed organic fertilizer per hectare, which shall comply with the requirements of GB 8172 and GB 4284.

Related Standards

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.