Abstract
This study investigates the reactions of four summer pumpkin cultivars (cvs. Çağlayan, Mert Bey, Sena Hanım, TG38) to root and crown rot caused by Fusarium proliferatum by taking into account criteria such as disease severity, plant growth (number of leaves, height, dry and fresh weight of shoot) and the accumulation of phenolic compounds in the roots. Seeds of each cultivar were inoculated with the pathogen and left to develop for 1 month at 25oC in a controlled climate room. The content of phenolic compounds in ethanolic root extracts was determined using high-performance liquid chromatography (HPLC). Cv. Sena Hanım had the lowest disease severity (4.40%) among the cultivars, followed by cvs. Çağlayan (10.62%) and Mert Bey (11.07%). Plants developed from inoculated seeds of cvs. Çağlayan and Sena Hanım had no decrease in the number of leaves and in length, fresh and dry weight of shoots in comparison to the control (plants from non-inoculated seeds), while cv. Mert Bey demonstrated a decrease at very low rates in shoot fresh and dry weight (2.24% and 0.77%, respectively). The phenolic compound that exhibited the highest increase in root extracts of cv. Sena Hanım compared to the control among the cultivars was p-coumaric acid (6.57-fold). This study demonstrates that p-coumaric acid can play an important role in the resistance of pumpkin to seed infestation by F. proliferatum.
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Claims 9
Claim · model-written summary
Sena Hanım had the lowest disease severity among the pumpkin cultivars at 4.40%.
Not reportedTaxon
Verbatim
e0“Cv. Sena Hanım had the lowest disease severity (4.40%) among the cultivars”
Claim · model-written summary
Çağlayan had disease severity of 10.62%.
Not reportedTaxon
Verbatim
e0“disease severity (4.40%) among the cultivars, followed by cvs. Çağlayan (10.62%) and Mert Bey (11.07%)”
Claim · model-written summary
Mert Bey had disease severity of 11.07%.
Not reportedTaxon
Verbatim
e0“disease severity (4.40%) among the cultivars, followed by cvs. Çağlayan (10.62%) and Mert Bey (11.07%)”
Claim · model-written summary
Inoculated Çağlayan plants showed no decrease in leaf number, shoot length, or shoot fresh and dry weight relative to controls.
- Material
- Çağlayane0
- Treatment
- inoculated seedse0
- Outcome
- number of leaves and in length, fresh and dry weight of shootse0
- Direction
- no decreasee0
- Comparator
- controle0
Not reportedTaxon
Verbatim
e0“Plants developed from inoculated seeds of cvs. Çağlayan and Sena Hanım had no decrease in the number of leaves and in length, fresh and dry weight of shoots in comparison to the control (plants from non-inoculated seeds)”
Claim · model-written summary
Inoculated Sena Hanım plants showed no decrease in leaf number, shoot length, or shoot fresh and dry weight relative to controls.
- Material
- Sena Hanıme0
- Treatment
- inoculated seedse0
- Outcome
- number of leaves and in length, fresh and dry weight of shootse0
- Direction
- no decreasee0
- Comparator
- controle0
Not reportedTaxon
Verbatim
e0“Plants developed from inoculated seeds of cvs. Çağlayan and Sena Hanım had no decrease in the number of leaves and in length, fresh and dry weight of shoots in comparison to the control (plants from non-inoculated seeds)”
Claim · model-written summary
Inoculated Mert Bey plants had 2.24% lower shoot fresh weight than controls.
Not reportedTaxonTreatmentComparator
Verbatim
e0“cv. Mert Bey demonstrated a decrease at very low rates in shoot fresh and dry weight (2.24% and 0.77%, respectively)”
Claim · model-written summary
Inoculated Mert Bey plants had 0.77% lower shoot dry weight than controls.
Not reportedTaxonTreatmentComparator
Verbatim
e0“cv. Mert Bey demonstrated a decrease at very low rates in shoot fresh and dry weight (2.24% and 0.77%, respectively)”
Claim · model-written summary
Root p-coumaric acid increased 6.57-fold in Sena Hanım compared with the control.
- Material
- Sena Hanıme0
- Organ / stage
- roote0
- Outcome
- p-coumaric acide0
- Direction
- increasee0
- Value
- 6.57-folde0
- Comparator
- controle0
Not reportedTaxonTreatment
Verbatim
e0“The phenolic compound that exhibited the highest increase in root extracts of cv. Sena Hanım compared to the control among the cultivars was p-coumaric acid (6.57-fold)”
Claim · model-written summary
The authors suggest p-coumaric acid can contribute to pumpkin resistance to Fusarium seed infestation.
- Taxon
- pumpkine0
- Interactor
- F. proliferatumFusarium proliferatume0pathogen
- Compound
- p-coumaric acide0
- Outcome
- resistancee0
Verbatim
e0“p-coumaric acid can play an important role in the resistance of pumpkin to seed infestation by F. proliferatum”