GH/T 1421-2023 in English
VALIDConservation and promotion technical regulations of wild edible mushroom - Truffle
- Issued on:2023-04-25
- Implemented on:2023-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$127.00
| Standard No: | GH/T 1421-2023 |
| Document status: | VALID |
| Title in English: | Conservation and promotion technical regulations of wild edible mushroom - Truffle |
| Title in Chinese: | 野生食用菌保育促繁技术规程 块菌（松露） |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2023-04-25 |
| Implemented on: | 2023-10-01 |
| ICS Classification: | 65.020.40-Landscaping and silviculture |
| Chinese Classification: | B66-Economic forest and byproduct |
| Related Keywords: | wild edible mushroom
wild edible fungi resources technical regulations truffle introduction technical background technical specification |
| Related Topics: | edible wild rice
dew Efficacy of wild fungi wild superbugs wild type bacteria total wild bacteria Mycobacterium tuberculosis wild type gh/t 1161 |
本文件规定了块菌（松露）保育促繁的林地选择、保育技术、促繁技术、保护措施和采收等要求。
本文件适用于原生境中华块菌/印度块菌(Tuber indicum)的保育促繁。
Introduction
Technical Background of the Standard
As the first industry technical specification for truffles in my country, this standard fills the gap in the field of sustainable utilization of wild edible fungi resources. The standard was formulated based on 10 years of field empirical research by the Kunming Edible Fungi Research Institute of the All-China Federation of Supply and Marketing Cooperatives and other institutions, and technical parameters were optimized specifically for the ecological characteristics of the Tuberindicum variety.
Core Parameter Analysis
| Technical Links | Key Indicators | International Comparison |
|---|---|---|
| Forest Land Selection | 600-3000m above sea level, pH6.0-8.0 | Wider than the French production area (200-1000m) |
| Spore Suspension | 1:10 (ascocarp:water) ratio | Consistent with Italian standards |
| Harvesting Cycle | 3-year harvesting | Stricter than the Spanish 2-year standard |
Key Technology Implementation Points
Spore Suspension Preparation Case
The Chuxiong Base in Yunnan Province uses low-temperature crushing technology to process mature ascocarps, and prepares suspension according to standard proportions at 4°C. After inoculation, the mycelium colonization rate increases by 40%.
Mushroom Pond Management Specifications
The three-layer coverage control (50-60% for trees, 20-40% for shrubs, and 15-25% for herbs) required by the standard needs to be dynamically adjusted in combination with seasonal changes, and overcrowded shrubs should be thinned out before the rainy season.
Analysis of Standard Evolution
Compared with the local pilot standard in 2015, this version has the following major upgrades:
1. Added the indicator of precise control of soil moisture (30-50% during the fruiting period)
2. Refined the selection criteria for symbiotic trees (tree age ≥ 20 years)
3. Introduced standardized requirements for animal-assisted harvesting
Implementation Suggestions
- Establish a micro-meteorological monitoring system to control temperature and humidity in real time
- Use molecular marker technology to verify the purity of the strain
- Develop a special tooth rake tool to control the digging depth
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