"Lorestan" a new dual purpose (oil and table) olive cultivar with good resistant to verticillium wilt (Verticillium dahliae)

Document Type : Release of the variety

Authors

1 Temperate Fruit Research Center, Horticultural Science Research Institute, Agricultural Research Education and Extension Organization (AREEO) Karaj, Iran.

2 Professor, Iranian Research Institute of Plant Protection, (AREEO) Tehran, Iran.

3 Researcher, Lorestan Agricultural and Natural Resources Research and education Center, AREEO, Brojerd, Iran.

4 Assistant Professor, Qazvin Agricultural and Natural Resources Research and education Center, AREEO, Qazvin, Iran.

5 Assistant Professor, West Azerbaijan Agricultural and Natural Resources Research and education Center, AREEO, Urmia, Iran.

6 Associated Professor, Zanjan Agricultural and Natural Resources Research and education Center, AREEO, Zanjan, Iran.

7 Assistant professor, Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran.

8 Researcher, Khorasan Razavi Agricultural and Natural Resources Research and education Center, AREEO, Mashhad, Iran.

9 Researcher, Zanjan Agricultural and Natural Resources Research and education Center, AREEO, Zanjan, Iran.

10 Researcher, Temperate Fruit Research Center, Horticultural Science Research Institute, Agricultural Research Education and Extension Organization (AREEO) Karaj, Iran

10.22092/rafhc.2025.365746.1341

Abstract

Verticillium wilt caused by Verticillium dahliae is one of the most important olive diseases in the world. The most important and economical method of controlling this disease is the use of resistant cultivars. The origin of Lorestan cultivar is Sepiddasht region in Lorestan province. After the propagation of this cultivar, along with 109 native genotypes collected from 11 provinces and four varieties as controls, it was cultivated and evaluated at the Tarom Olive Research Station. The results of five research projects in a period of 13 years regarding vegetative, reproductive and resistance to verticillium disease showed that Lorestan is a mid-flowering genotype with 19.6 flowers in the inflorescence and is self-compatible in terms of pollination. It has fruits with medium-size (5.75 gr), oval-shaped and asymmetric. The percentage of oil in the dry matter of pricarp is 54.2% at the end of September and 65% at the end of November. The ability to harvest for dual purposes (table and oil) is one of the important features of this cultivar. The evaluation of verticillium fungus DNA concentration in the total root DNA showed that the Lorestan cultivar has the lowest concentration of the fungus DNA and has good resistance against the pathogen.

Keywords

Main Subjects

References

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Research Achievements for Field and Horticulture Crops
Volume 14, Issue 1
December 2025
Pages 97-120

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History

  • Receive Date: 12 April 2025
  • Revise Date: 23 March 0621
  • Accept Date: 17 September 2025

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