Biological control of root rot, wilt diseases complex in offshoot date palm and improvement of growth parameters in New Valley Governorate, Egypt

El-Morsi, Magd; Abdel-Monaim, Montaser Fawzy; Diab, Yousef

doi:10.21608/esjp.2021.233540

Cited by 2 publications

(3 citation statements)

References 20 publications

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“…In addition, our results are in harmony with those reported by El-Morsi et al (2021) who isolated F. solani, F. oxysporum, F. equiseti, F. moniliforme and F. Semitectium from date palm offshoots showing root rot symptoms and their pathogenicity was confirmed on cv. Saidy.…”

Section: Discussionsupporting

confidence: 92%

“…However, under greenhouse conditions Uniform 39 % SE, Tshgarin 30 % SL and Hexaten gave the highest efficacy for controlling date palm root rot on the two cultivars during the two seasons, while the lowest efficacy was recorded when seedlings were treated with T34 and Serenade ASO 1.34% SC, respectively. El-Morsi et al, (2021) Studies the antagonistic effects of some Bacillus and Trichoderma species as bio control agents against root rot of date palm offshoots in El-Dakhla and El-Kharga under natural infection in nursery. The results show significant reduced severity compared with control.…”

Section: Discussionmentioning

confidence: 99%

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Efficacy of Different Commercial Products on Controlling Date Palm Root Rot Under Greenhouse Conditions.

Shehata

Hassan

2023

Menoufia Journal of Plant Protection

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Disease incidence and disease severity of date palm root rot were evaluated on cvs.Barhey, Majdol and Zaghloul during 2021 and 2022 growing seasons in different locations. The highest percentages of disease incidence and disease severity were recorded in nursery located at Beheira governorate, where the lowest were recorded from new orchards in Giza and Qaloubiya governorates during 2021. Isolation trials of the naturally infected date palm root rot yielded four fungal species identified as Fusarium solani, F. moniliforme, F. semitectum and Lasiodiplodia theobromae. Pathogenicity test showed that all isolated fungi were able to induce root rot on date palm seedlings. The highest average disease severity was obtained from the infection with F. solani, followed by F. moniliforme. While, little symptoms showed on the roots inoculated by F. semitectum. Zaghloul cultivar was more susceptible than Barhey and Majdol under artificial inoculation carried out during the two years of the investigation. Efficacy of Biocontrol T34 12% WP (Trichoderma asperellum strain T34), Serenade ASO 1.34% SC, Uniform 39 % SE, Hexaten and Tshgarin 30%SL was evaluated in vitro and under greenhouse conditions for controlling root rot of date palm seedlings. Complete reduction in colony growth of the most frequent fungi was observed due to using Uniform 39 % SE, followed by Hexaten and Tshgarin 30%SL. T34 and Serenade ASO 1.34% SC recorded the lowest efficacy. However, under greenhouse conditions Uniform, Tshgarin and Hexaten gave the highest efficacy for controlling date palm root rot on the two cultivars, Barhey and Zaghloul during the two seasons, while the lowest efficacy was recorded after treatment with T34 and Serenade ASO, respectively. The highest values of total phenol in the three tested date palm cultivars were observed in Barhey cv., while the lowest production were recorded in cv. Zaghloul. The highest values of total phenols was observed after using Uniform and Tshgarin, while the lowest levels of total phenols were recorded by using Serenade ASO. The highest values of polyphenoloxidase activity (PPO) were recorded in cv. Barhey. While the lowest were recorded in cv. Zaghloul. The highest values of PPO were observed after treatment with Tshgarin, while the lowest levels were obtained by using Serenade ASO.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Efficacy of Different Commercial Products on Controlling Date Palm Root Rot Under Greenhouse Conditions.

Shehata

Hassan

2023

Menoufia Journal of Plant Protection

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“…Our studies showed that biological control agents such as AMF and BY caused higher reduction in root rot and wilt severity in many crops (Azcon -Aguilar and Barea , 1996, El-Tarabily and Sivasithamparam, 2006and El-Morsi et al, 2015. Arras (1996) stated that antibioses, competition for colonization sites and nutrients and degradation of the pathogen toxins and enzymes by yeasts may be involved in the suppuration of the growth of different patho genic fungi in vitro and in vivo.…”

Section: Discussionmentioning

confidence: 77%

Impact of arbuscular mycorrhizal fungi (AMF) and/or Baker's yeast on root rot/ wilt disease and growth parameters of date palm offshoots in New Valley Governorate, Egypt

Abdel-Monaim¹,

El-Morsi

Mahdy³

2021

Egyptian International Journal of Palms

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Root rot and wilt complex were the important diseases in offshoots and new orchards of date palm growing in different Oases in New Valley Governorate. The ability of arbuscular mycorrhizal fungi (AMF) and/or Baker's yeast (BY) individually and in combination used as soil drench to induce resistance against root rot / wilt disease complex and their effect on growth parameters, mineral and pigment contents in leaves was examined. The obtained data show that AMF and BY individually and/or in combination were able to protect offshoots against root rot /wilt disease complex compared with check treatment (control)in pots under artificial infection with Fusarium oxysporum, F. solani and F. moniliform and naturally infection under nursery conditions in both locations (El-Kharga and El-Dakhla Oasis). The combination between AMF and BY was better than used individually of them for controlling root rot /wilt disease severity.On the other hand, all treatments increased growth parameters viz. number of roots offshoot-1offshoot height (cm), number of leaves offshoot-1, leaflet number leaf-1, nick leaf thickness (cm) and leaf area (cm 2 ) in both locations. The combination between AMF and BY significantly increased all growth parameters compared with used individually. Also, all treatments increase leaf contents of nitrogen (N), phosphorus (P), potassium (K), sodium (Na), magnesium (Mg), calcium (Ca) and Chlorophyll a, b and carotenoid compared with control in both locations (El-Kharga and El-Dakhla). In biochemical studies, activity of defense-related enzymes, including peroxidase (PO), polyphenol oxidase (PPO), phenylalanine ammonia lyase (PAL) and catalase as well as total phenolic and flavonoids compounds were increased in offshoots treated with AMF and/or BY individually or in combination in both locations (El-Kharga and El-Dakhla). The combination between AMF and BY recorded the highest all oxidative enzymes, total phenolic and flavonoid compounds compared with AMF or BY alone.

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Biological control of root rot, wilt diseases complex in offshoot date palm and improvement of growth parameters in New Valley Governorate, Egypt

Cited by 2 publications

References 20 publications

Efficacy of Different Commercial Products on Controlling Date Palm Root Rot Under Greenhouse Conditions.

Efficacy of Different Commercial Products on Controlling Date Palm Root Rot Under Greenhouse Conditions.

Impact of arbuscular mycorrhizal fungi (AMF) and/or Baker's yeast on root rot/ wilt disease and growth parameters of date palm offshoots in New Valley Governorate, Egypt

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