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GB/T 23392.2-2009: Technical specification for the forecast of diseases and insects on cruciferous plants -- Part 2: Erwinia carotovora subsp. carotovora (Jones) Bergey et al.
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| GB/T 23392.2-2009 | English | 139 |
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Technical specification for the forecast of diseases and insects on cruciferous plants -- Part 2: Erwinia carotovora subsp. carotovora (Jones) Bergey et al.
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GB/T 23392.2-2009
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Basic data | Standard ID | GB/T 23392.2-2009 (GB/T23392.2-2009) | | Description (Translated English) | Technical specification for the forecast of diseases and insects on cruciferous plants -- Part 2: Erwinia carotovora subsp. carotovora (Jones) Bergey et al. | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B16 | | Classification of International Standard | 65.020.20 | | Word Count Estimation | 6,640 | | Date of Issue | 2009-03-27 | | Date of Implementation | 2009-10-01 | | Regulation (derived from) | National Standard Approval Announcement 2009 No.4 (Total No.144) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the classification level of cruciferous vegetables rot occurs indicators, forecasting data collection and forecasting methods, systematic investigation, field survey. This section applies to the implementation of cruciferous vegetables rot in the forecast, prevention and ecological research, investigations and experimental work occurs trend forecast. | GB/T 23392.2-2009: Technical specification for the forecast of diseases and insects on cruciferous plants -- Part 2: Erwinia carotovora subsp. carotovora (Jones) Bergey et al.
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Technical specification for the forecast of diseases and insects on cruciferous plants Part 2. Erwinia carotovora subsp carotovora (Jones) Bergey et al.
ICS 65.020.20
B16
National Standards of People's Republic of China
Cruciferous vegetables Pests Forecasting Technical Specifications
Part 2. soft rot
Posted 2009-03-27
2009-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 23392 "cruciferous vegetables Pests Forecasting technical specifications" is divided into the following sections.
--- Part 1. downy mildew;
--- Part 2. soft rot;
--- Part 3. diamondback moth;
--- Part 4. beet armyworm.
This is Part 2 GB/T 23392 of.
Appendix A of this section is an informative annex.
This part of the People's Republic of China Ministry of Agriculture and focal points.
This section was drafted by. National Agricultural Technology Extension Service Center, Plant Protection Station of Hebei Province.
The main drafters of this section. Wang Yanqing, GRAPHIC COMMUNICATION Jiang Jingyu.
Cruciferous vegetables Pests Forecasting Technical Specifications
Part 2. soft rot
1 Scope
GB/T 23392 provisions of this part of the cruciferous vegetable soft rot occurs grade level indicators, systematic investigation, field survey, forecasting
Data collection and forecasting methods.
This section applies to the implementation of cruciferous vegetables soft rot forecast, prevention and investigation of ecological research, experimental work and the occurrence trend
forecast.
2 Terms and definitions
The following terms and definitions apply to this part of the GB/T 23392 of.
2.1
To master the population dynamics of pests and diseases, the use of fixed, regular, continuous survey methodology given content performed.
2.2
To understand the overall incidence of pests and diseases, the multi-point survey carried out over a wide range.
2.3
Survey the percentage of the number of trees incidence survey of total number of trees.
2.4
Investigation occurred several plots soft rot accounted survey total number of plots percentage.
2.5
The severity of disease area the percentage of the total acreage of cruciferous vegetables.
3 occurred Severity Level Indicators
Occurrence degree divided into light occurs (1), lighter occur (level 2), occurs (level 3), place emphasis (4), Occurrence (5) five,
Mainly in the local occurrence of peak strain rate and occurrence area ratio is determined, each of these indicators are shown in Table 1.
Table 1 cruciferous vegetables soft rot occurs Severity Level Indicators
index
Occurrence degree
Level 1 2 3 4 5
Strain rate P /% P≤5 5 < P≤10 10 < P≤20 20 < P≤40 P> 40
Occurrence area ratio A /% A≤15 15 < A≤30 30 < A≤40 40 < A≤50 A> 50
4 System survey
4.1 investigation time
From seedling to harvest vegetables, survey once every 5d.
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