Comparison of genetic diversity of Iranian and foreign safflower genotypes using multivariate statistical methods

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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Background and Objective

The present study was conducted to compare the genetic diversity of 158 foreign and iranian safflower genotypes with six Iranian safflower cultivars.

Materials and Methods

The experiment was carried out in the Augment design with three replications during the 2017-17 at Zahak Agricultural and Natural Resources Research Station in Zabol county.

Results

In principal components analysis (PCA), the first component was named grain yield and dry matter and the second component was named phenology. Based on the results of biplot, genotypes were classified into four groups. The first group includes late matutity and tall genotypes, the second group includes genotypes with high grain yield and harvest index (HI), the third group includes late matutity genotypes with low grain yield and the fourth group includes early matutity genotypes with lowest grain yield and HI. Genotype No. 100 with unknown origin (6044 kg.ha-1) had the highest grain yield and genotypes No. 153 (Mexico), 169 (Mexico), 134 (North Korea), 122 (Poland), 124 (unknown), 130 (unknown) and 131 (North Korea) had high grain yield. The orthogonal comparison of 20 Iranian genotypes versus 138 foreign genotypes showed that no difference was observed for plant height, but in terms of grain yield, biomass and harvest index, foreign genotypes were significantly higher than Iranian genotypes.

Conclusion

Genetic diversity by different statistical analyzes was well able to differentiate safflower genotypes and can be used from grouping obtained from statistical methods for select appropriate parents genotypes in safflower breeding programs.

Language:
Persian
Published:
Journal of Agricultural Science and Sustainable Production, Volume:33 Issue: 4, 2024
Pages:
131 to 148
https://www.magiran.com/p2712916  
سامانه نویسندگان
  • Jabbari، Hamid
    Corresponding Author (1)
    Jabbari, Hamid
    Assistant Professor SPII, موسسه تحقیقات اصلاح و تهیه نهال و بذر
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