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14 lut 2019 · This document discusses various methods for seed health testing to detect fungi, bacteria, viruses, insects, and nematodes. It describes several visual, biological, and molecular methods. Visual methods include examining seeds under magnification for signs of fungi or insect damage.
- Seed health testing | PPT - SlideShare
This document discusses various methods for seed health...
- Seed health testing | PPT - SlideShare
25 paź 2016 · This document discusses various methods for seed health testing to detect fungi, bacteria, viruses, insects, and nematodes. It describes several visual, biological, and molecular methods. Visual methods include examining seeds under magnification for signs of fungi or insect damage.
14 cze 2021 · Objectives of seed health testing are to identify quality problems, determine planting value, and check for diseases. Specific methods covered in detail include the washing test, incubation methods, seedling symptom test, and test tube agar method. Read more.
5 sty 2020 · Seed health tests • visual evaluation (e.g., spores or fungal sclerotia, insect presence) • incubation on agar medium • virus testing (e.g., ELISA)
Health testing of seed is important for four reasons: Seed-borne inoculum may give rise to progressive disease development in the field and reduce the commercial value of the crop. Imported seed lots may introduce diseases into new regions. Tests to meet quarantine requirements may therefore be necessary.
seed testing.pptx - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Farmers test seeds in several ways: 1) Breaking the seed coat to test impermeability, 2) Winnowing to blow away chaff, 3) Germination tests in seedbeds or containers, 4) Floating seeds in water to ...
29 mar 2019 · Seed health testing • Seed borne fungi such as Alternaria, Fusarium, Penicillium, Aspergillus and Rhizopus spp. affect longevity during storage. Curators should ensure that seeds prepared for long-term conservation are free from the seed borne pathogens.
