Correlation of hybrid maize single cross SC704 parental inbred lines seed germination ability and seedling vigour indices with seedling field emergence

Document Type : Research Paper

Authors

1 MSc. of Agronomy, Faculty of Agriculture, Ashtian Branch, Islamic Azad University, Ashtian, Iran

2 Research Assistant Professor, Seed and Plant Certification and Registration Institute (SPCRI), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran

3 Assistant Professor, Faculty of Agriculture, Ashtian Branch, Islamic Azad University, Ashtian, Iran

Abstract

This research was conducted in order to study correlationof hybrid maize single cross SC704 parental inbred lines seed germination ability and vigour and seedling field emergence in seed analysis laboratory research field of Seed and Plant Certification and Registration Institute (SPCRI) at Karaj. Experiment treatments were hybrid maize single cross SC704 parental inbred MO17, B73rfc and B73cms by 87, 90 and 93 percent initial germination ability. By standard germination test conducting normal seedlings percent, mean germination Time, coefficient of velocity of germination, daily germination speed, mean daily germination, seedling  length and dry weight and seedling length and weight vigour indices determined. In field experiment final seedling emergence percent, mean seedling emergence time, seedling emergence rate, seedling field emergence index and seedling vigour index in field measured. Results indicated that by increasing initial germination ability normal seedling percent, daily germination speed and mean daily germination increased. Seeds have 93 percent of all studied lines and MO17 line had the most and lowest mean seedling emergence time in field respectively. Generally this research results indicated by increasing initial seed germination ability studied seed germination and seedling emergence indices improved and seeds having high germination ability planting, caused more final seedling field emergence and seedling vigor index in field. Also MO17 and B73CMS lines have better studied seed germination and seedling field emergence indices.

Keywords

References

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Iranian Journal of Seed Sciences and Research
Volume 7, Issue 2
July 2020
Pages 191-203

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