Identification of potential native chitinase-producing Trichoderma spp. and its efficacy against damping-off in onion

Moka, Suma; Singh, Narinder; Buttar, Daljeet Singh

doi:10.1007/s10658-021-02321-9

Cited by 4 publications

(1 citation statement)

References 26 publications

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“…Meanwhile, on the 6th and 7th days, the treatment with higher control effectiveness than the other treatments were the PTS8 treatment. This is reinforced by research conducted by (Moka et al, 2021) The Talc formulations of the Trichoderma isolate significantly reduced the damping-off disease in onion and enhanced the seed germination and yield of onion in field trials. This is indicated by one of the Trichoderma isolate (Tr55) showed the greatest reduction in the incidence of pre and post-emergence damping-off when applied in seed+soil treatments.…”

Section: Effectiveness Of Controlmentioning

confidence: 91%

Effectiveness of Lettuce Seed Encapsulation Containing Trichoderma Sp. in Control of Damping-off Disease

Marieska¹,

Wiyatiningsih²,

Nirwanto³

2022

J. appl. agricultural sci. technol.

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Utilization of the antagonist fungus Trichoderma sp. in suppressing damping-off disease caused by Rhizoctonia solani can be done in various ways. One of them is through coating the seeds or encapsulation. This study aims to determine the effectiveness of lettuce seeds encapsulation containing Trichoderma sp. in suppressing damping-off disease through storage time of up to 12 weeks. The results showed that the use of talc and kaolin as a material carrier in encapsulation with 1 week of storage had the highest germination rate of 96%, while the lowest germination was at 12 weeks of storage, which was only 0-5%. The use of talc carrier showed a low percentage of infected seedlings, starting from storage time of 0 to 8 weeks. At 8 weeks of storage, the provision of carrier material in the form of talc showed the lowest percentage of infected seedlings, which was 40% on the last day of observation and had the highest value of effectiveness in controlling Rhizoctonia solani damping-off disease, which was 60%. Thus, seed encapsulation using a talc carrier was the most effective in suppressing damping-off disease up to 8 weeks of storage

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Section: Effectiveness Of Controlmentioning

confidence: 91%

Effectiveness of Lettuce Seed Encapsulation Containing Trichoderma Sp. in Control of Damping-off Disease

Marieska¹,

Wiyatiningsih²,

Nirwanto³

2022

J. appl. agricultural sci. technol.

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Screening and Assessing Biological Differences Among Oomycete-Parasitic Trichoderma asperellum Isolates for Biological Control Development

2023

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Trichoderma are ubiquitous soil-inhabiting fungi that produce numerous extracellular proteins critical to saprophytic, mutualistic, and mycoparasitic lifestyles. Trichoderma are effective mycoparasites and produce diverse chitinolytic enzymes, glucanases, and proteases, to actively degrade microbial cell walls. The diversity of extracellular proteins and the unique parasitic features of Trichoderma species has resulted in their development as biocontrol agents for numerous plant pathogens. The objective of this study was to characterize biological features important to the selection and commercialization of promising oomycete-parasitic T. asperellum isolates. Nine globally collected T. asperellum isolates previously evaluated for parasitism against Phytophthora ramorum were screened for morphological and sporulation differences in regard to temperature and pH, and the conservation of the commonly screened mycoparasitism-associated chitinase gene, chi42. Sporulation and growth variability was evident between the diverse T. asperellum isolates, but a single copy of the chi42 gene was conserved between all isolates. Screening numerous biological features is important to the selection and development of promising microbial-based biocontrol agents; however, determining the presence or absence of individual parasitic-associated genes may lead to selective biases if relied upon during the initial screening phase. The described analyses will provide a trialed approach used to select a promising Trichoderma biocontrol agent.

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Investigation of the antagonistıc effects of tomato rhizosphere fungi against Fusarium oxysporum f.sp. lycopersici, the causal agent of tomato wilt disease

TUNABAŞ

Erkiliç

2022

Türkiye Biyolojik Mücadele Dergisi

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Domateste Fusarium oxysporum f.sp. lycopersici (FOL)’nin hastalık oluşturmasını engellemeye yönelik olarak yürütülen bu çalışmada, domates rizosferinden 29 fungus türü izole edilmiştir. Aspergillus ve Penicillium türlerinin hepsi in vitro’da FOL’ün miseliyal gelişmesini değişen oranlarda engellemişlerdir. Bu fungusların hepsi PDA besi yerinde inhibisyon zonu oluştururken bazıları miseliyal gelişmeyi engelleyici, bazıları da uçucu ve uçucu olmayan antibiyotik etkileriyle ön plana çıkmıştır. Trichoderma türleri çok düşük oranda elde edilmiş olmasına rağmen, in vitro’da miseliyal gelişme hızı, uçucu ve uçucu olmayan antibiyotik üretimleriyle FOL’ü baskılama özelliği göstermişlerdir. FOL’ün domates bitkilerinde hastalık oluşturmasını A. flavus, P. griseofulvum ve T. aggressivum sırasıyla %26.3, 31.6 ve 21.1 oranlarında engellemişlerdir. Hastalık oluşumunu en iyi engelleyen fungus %78.9 etki oranıyla T. brevicompactum olmuştur.

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Identification of potential native chitinase-producing Trichoderma spp. and its efficacy against damping-off in onion

Cited by 4 publications

References 26 publications

Effectiveness of Lettuce Seed Encapsulation Containing Trichoderma Sp. in Control of Damping-off Disease

Effectiveness of Lettuce Seed Encapsulation Containing Trichoderma Sp. in Control of Damping-off Disease

Screening and Assessing Biological Differences Among Oomycete-Parasitic Trichoderma asperellum Isolates for Biological Control Development

Investigation of the antagonistıc effects of tomato rhizosphere fungi against Fusarium oxysporum f.sp. lycopersici, the causal agent of tomato wilt disease

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