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SN/T 2035-2007: Identification of peronospora farinosa (Fr.) Fr. f. sp. betea byford
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| SN/T 2035-2007 | English | 259 |
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Identification of peronospora farinosa (Fr.) Fr. f. sp. betea byford
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SN/T 2035-2007
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Basic data | Standard ID | SN/T 2035-2007 (SN/T2035-2007) | | Description (Translated English) | Identification of peronospora farinosa (Fr.) Fr. f. sp. betea byford | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | B16 | | Classification of International Standard | 07.100.30 | | Word Count Estimation | 8,892 | | Date of Issue | 2007-12-24 | | Date of Implementation | 2008-07-01 | | Regulation (derived from) | Industry standard filing Notice 2008 No. 2 (No. 98 overall) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the beet downy mildew quarantine and identification methods. This standard applies to beet, beet seeds, beet seeds beet downy mildew in quarantine and identification. | SN/T 2035-2007: Identification of peronospora farinosa (Fr.) Fr. f. sp. betea byford---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Identification of peronospora farinosa (Fr.) Fr.f.sp.betea byford
Exit inspection and quarantine industry standard book People's Republic of China
Beet quarantine and identification of downy mildew
Posted 2007-12-24
2008-07-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
The Standard Appendix A, Appendix B, Appendix C, Appendix D are informative appendices.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Heilongjiang People's Republic of China Exit Inspection and Quarantine.
The main drafters of this standard. Yang Liqun, Zhang Hongxiang, Meng Yuqin, Liu Hongyi, in constant pure, Qi Junjie.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Beet quarantine and identification of downy mildew
1 Scope
This standard specifies the phytosanitary quarantine and identification of downy mildew in sugar beet.
This standard applies to beet, beet seeds, quarantine and identification of beet seed beet downy mildew.
2 Terms and definitions
The following terms and definitions apply to this standard.
2.1
Most fungi lush branches tubular filaments in the growth process, a tubular filaments called hyphae, the structural units of fungi. many lines
Mycelium together called mycelium.
2.2
Differentiated from the vegetative hyphae branched or unbranched hyphae raw sporangia.
2.3
Sporangium by the hyphae differentiate into top cyst enlargement stems from the bladder, is asexual reproductive structures downy mildew fungi and other purposes.
2.4
Fungi, bacteria from eggs fertilized egg to develop into a ball resting spores.
Principle 3
There sporangiophore, sporangia and oospores (see Appendix A). Beet downy mildew fungi are obligate parasites, host beet species in the world
Distribution See Appendix B, is a dangerous diseases on sugar beet production. The bacteria mainly infect seedlings, seedling onset can cause seedling death, biennial
After beet susceptible, not withdrawn or withdrawn flower stalk is very short, strong or not strong final few dead. The bacteria oospores and hyphae form parasitic
The mother leaves and beet sugar beet root, beet root and mother plant debris field can provide wintering bacteria source, the seed may be contaminated egg spores and hyphae.
Long-distance transmission of infection is mainly transported by seed or root mother, close-propagation is mainly produced sporangia sick deformed and host.
The morphological characteristics of bacteria and pathogens damage symptoms on the host is the main basis for the identification of the bacteria.
4 instruments and appliances
4.1 Instrument
Stereo microscope, biological microscope, clean benches, autoclave, light incubator, electronic scales (1/1000), refrigerator, oscillation
, Centrifuges.
4.2 Experimental equipment
Flask (250mL, 500mL), Petri dishes (9cm), beaker (50mL, 100mL, 500mL), scissors, dissecting needle, scalpel,
Filter, centrifuge tubes, transparent tape, straws (scale) or adjustable pipette and the like.
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