Comparison of two cold test procedures for seed vigour evaluation of maize inbred lines
2017
Milivojević, Marija (Maize research institute Zemun Polje, Belgrade-Zemun (Serbia)) | Srdić, Jelena (Maize Research Institute Zemun Polje, Belgrade-Zemun (Serbia)) | Branković-Radojčić, Dragana (Maize Research Institute Zemun Polje, Belgrade-Zemun (Serbia)) | Vukadinović, Radmila (Maize Research Institute Zemun Polje, Belgrade-Zemun (Serbia)) | Kojić, Jasna (Maize research institute Zemun Polje, Belgrade-Zemun (Serbia)) | Petrović, Tanja (Maize research institute Zemun Polje, Belgrade-Zemun (Serbia))
Cold test (CT) is a valuable method of assessing maize seed vigour. Although widely used CT is not standardized because of variations in CT procedures. The objective of this study was to evaluate seed vigour of 15 maize inbred lines developed at the Maize Research Institute Zemun Polje, using two different substrates (soil and sand) in a severe CT (7.5 °C for 10 days followed by 7 days at 20/30 °C). Statistical analysis showed that inbred lines differ significantly in seed vigour, and no difference between two applied substrates in CT. Coefficients of variation were lower in CT with sand (6.05 %), compared to the CT with soil (6.74%) due to variation in soil quality and presence of soil-borne pathogens. Both CT procedures were highly correlated with field emergence. Results of this research indicate that CT with sand is appropriate for testing maize seed vigour, with the potential for standardization.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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