Effect of disease complex of Meloidogyne incognita and Fusarium solani on fungus root rot incidence, nematode reproduction, and enzyme activities involved in defense mechanisms of grafted cucurbit hybrids
This study investigated the interplay between the root-knot nematode, Meloidogyne incognita (Mi), and the fungal pathogen, Fusarium solani (Fs) in grafted cucurbit hybrids (watermelon and sweet melon). Results revealed that Fs root rot incidence was exacerbated when combined with Mi. Nonetheless, t...
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AcademicPres
2024-11-01
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| Series: | Notulae Botanicae Horti Agrobotanici Cluj-Napoca |
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| Online Access: | https://www.notulaebotanicae.ro/index.php/nbha/article/view/13933 |
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| author | Hosny H. KESBA Sherif M. EL-GANAİNY Ali H.H. ALI Nourhan M.M. HASSNIN |
| author_facet | Hosny H. KESBA Sherif M. EL-GANAİNY Ali H.H. ALI Nourhan M.M. HASSNIN |
| author_sort | Hosny H. KESBA |
| collection | DOAJ |
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This study investigated the interplay between the root-knot nematode, Meloidogyne incognita (Mi), and the fungal pathogen, Fusarium solani (Fs) in grafted cucurbit hybrids (watermelon and sweet melon). Results revealed that Fs root rot incidence was exacerbated when combined with Mi. Nonetheless, the existence of Fs caused a noteworthy decline in Mi reproduction, affecting hosts that were both resistant and susceptible. Additionally, plant growth suffered more from combined infection than from single pathogens, with the susceptible sweet melon showing greater growth reduction. The study further explored the impact of the disease complex on antioxidant defence mechanisms. Leaf tissues from both grafted hybrids displayed elevated levels of lipid peroxidation (MDA) and antioxidant enzyme activities (SOD and APX) upon infection with Fs alone, Mi alone, or both. Interestingly, the susceptible sweet melon exhibited a stronger increase in these defence responses compared to the resistant watermelon. Notably, combined Fs and Mi infection led to the highest levels of MDA, SOD, and APX activity. These findings highlight the complex interplay between Fs and Mi in cucurbit hybrids. While Fs virulence increased with coinfection, Mi reproduction was suppressed. Furthermore, the study suggests that susceptible plants may have a more pronounced activation of antioxidant defence mechanisms when confronted with the combined stress of these pathogens.
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| format | Article |
| id | doaj-art-69088621bc894a2b8b62fd9a64c1b151 |
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| issn | 0255-965X 1842-4309 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | AcademicPres |
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| series | Notulae Botanicae Horti Agrobotanici Cluj-Napoca |
| spelling | doaj-art-69088621bc894a2b8b62fd9a64c1b1512025-08-20T02:34:49ZengAcademicPresNotulae Botanicae Horti Agrobotanici Cluj-Napoca0255-965X1842-43092024-11-0152410.15835/nbha52413933Effect of disease complex of Meloidogyne incognita and Fusarium solani on fungus root rot incidence, nematode reproduction, and enzyme activities involved in defense mechanisms of grafted cucurbit hybridsHosny H. KESBA0Sherif M. EL-GANAİNY1Ali H.H. ALI2Nourhan M.M. HASSNIN3King Faisal University, College of Agricultural and Food Sciences, Department of Arid Land Agriculture, P.O. Box 420, Al-Ahsa 31982; Cairo University, Faculty of Agriculture, Department of Zoology and Agricultural Nematology, Giza-12613King Faisal University, College of Agricultural and Food Sciences, Department of Arid Land Agriculture, P.O. Box 420, Al-Ahsa 31982Cairo University, Faculty of Agriculture, Department of Zoology and Agricultural Nematology, Giza-12613Cairo University, Faculty of Agriculture, Department of Zoology and Agricultural Nematology, Giza-12613 This study investigated the interplay between the root-knot nematode, Meloidogyne incognita (Mi), and the fungal pathogen, Fusarium solani (Fs) in grafted cucurbit hybrids (watermelon and sweet melon). Results revealed that Fs root rot incidence was exacerbated when combined with Mi. Nonetheless, the existence of Fs caused a noteworthy decline in Mi reproduction, affecting hosts that were both resistant and susceptible. Additionally, plant growth suffered more from combined infection than from single pathogens, with the susceptible sweet melon showing greater growth reduction. The study further explored the impact of the disease complex on antioxidant defence mechanisms. Leaf tissues from both grafted hybrids displayed elevated levels of lipid peroxidation (MDA) and antioxidant enzyme activities (SOD and APX) upon infection with Fs alone, Mi alone, or both. Interestingly, the susceptible sweet melon exhibited a stronger increase in these defence responses compared to the resistant watermelon. Notably, combined Fs and Mi infection led to the highest levels of MDA, SOD, and APX activity. These findings highlight the complex interplay between Fs and Mi in cucurbit hybrids. While Fs virulence increased with coinfection, Mi reproduction was suppressed. Furthermore, the study suggests that susceptible plants may have a more pronounced activation of antioxidant defence mechanisms when confronted with the combined stress of these pathogens. https://www.notulaebotanicae.ro/index.php/nbha/article/view/13933cucurbit hybridsdisease complexenzyme activitiesFusarium solaniMeloidogyne incognitanematode development |
| spellingShingle | Hosny H. KESBA Sherif M. EL-GANAİNY Ali H.H. ALI Nourhan M.M. HASSNIN Effect of disease complex of Meloidogyne incognita and Fusarium solani on fungus root rot incidence, nematode reproduction, and enzyme activities involved in defense mechanisms of grafted cucurbit hybrids Notulae Botanicae Horti Agrobotanici Cluj-Napoca cucurbit hybrids disease complex enzyme activities Fusarium solani Meloidogyne incognita nematode development |
| title | Effect of disease complex of Meloidogyne incognita and Fusarium solani on fungus root rot incidence, nematode reproduction, and enzyme activities involved in defense mechanisms of grafted cucurbit hybrids |
| title_full | Effect of disease complex of Meloidogyne incognita and Fusarium solani on fungus root rot incidence, nematode reproduction, and enzyme activities involved in defense mechanisms of grafted cucurbit hybrids |
| title_fullStr | Effect of disease complex of Meloidogyne incognita and Fusarium solani on fungus root rot incidence, nematode reproduction, and enzyme activities involved in defense mechanisms of grafted cucurbit hybrids |
| title_full_unstemmed | Effect of disease complex of Meloidogyne incognita and Fusarium solani on fungus root rot incidence, nematode reproduction, and enzyme activities involved in defense mechanisms of grafted cucurbit hybrids |
| title_short | Effect of disease complex of Meloidogyne incognita and Fusarium solani on fungus root rot incidence, nematode reproduction, and enzyme activities involved in defense mechanisms of grafted cucurbit hybrids |
| title_sort | effect of disease complex of meloidogyne incognita and fusarium solani on fungus root rot incidence nematode reproduction and enzyme activities involved in defense mechanisms of grafted cucurbit hybrids |
| topic | cucurbit hybrids disease complex enzyme activities Fusarium solani Meloidogyne incognita nematode development |
| url | https://www.notulaebotanicae.ro/index.php/nbha/article/view/13933 |
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