Avaliação do uso de elicitores de resistência bióticos e abióticos contra a antracnose na videira (Vitis labrusca L.)

Silva, Hilderlande Florêncio da; Pinto, Kedma Maria Silva; Nascimento, Luciana Cordeiro do; Silva, Edcarlos Camilo da; Souza, Wilza Carla Oliveira de

doi:10.1590/0100-5405/180414

Cited by 3 publications

(2 citation statements)

References 9 publications

(9 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Associating abiotic and biotic inducers may be a complementary way to induce resistance. Silva, Pinto, Nascimento, Silva and Souza (2019) obtained positive results with the association of potassium phosphite and AgroMos ® , which reduced the incidence of Elsinoe ampelina by 60.8% compared to the application of AgroMos ® alone on grapes. The joint action of inducers may activate similar signaling pathways for both salicylic acid (SA) and jasmonic acid/ethylene (JA/ET) and contribute to potentiate the induction action.…”

Section: Introductionmentioning

confidence: 98%

Histochemical changes induced by Trichoderma spp. and potassium phosphite in common bean (Phaseolus vulgaris) in response to the attack by Colletotrichum lindemuthianum

Figueira

Kuhn

Martinazzo-Portz

et al. 2020

SCA

View full text Add to dashboard Cite

Induction of resistance in common bean (Phaseolus vulgaris) has been considered a promising alternative to control anthracnose. Among the changes generated in the induction of resistance, structural changes have been reported by several authors as an efficient form of resistance to the stress plants undergo. Histochemical analysis techniques have been used to investigate tissue changes triggered by induction of resistance. Thus, this study aims to investigate certain histochemical changes suffered by common bean plants induced with potassium phosphite and Trichoderma spp. in response to the attack by Colletotrichum lindemuthianum, aiming to determine the host response pattern in terms of structural changes, associating it to possible disease control. Treatments consisted of isolates T. harzianum (isolate TOD1) and T. virens (isolate TM4), leaf fertilizer potassium phosphite Fertilis®, and distilled water (control). Inducers were applied to common bean alone or associated, consisting of five treatments plus the control treatment. The six treatments were evaluated for the absence and presence of C. lindemuthianum in a factorial scheme (6×2). Treatments allowed evaluating the severity of anthracnose in common bean, location of H2O2, lignin deposition, and hypersensitivity response in common bean hypocotyl by histochemical staining. Potassium phosphite and combinations of T. virens and T. harzianum with potassium phosphite efficiently reduced disease severity under greenhouse conditions, reaching 68, 84, and 71%, respectively. Studies with hypocotyl showed that T. harzianum + potassium phosphite and T. virens + potassium phosphite accelerated the H2O2 accumulation process and lignin deposition at the pathogen penetration site, in addition to the hypersensitivity reaction through the resistance-inducing activity, contributing to the protection of common bean against anthracnose caused by C. lindemuthianum.

show abstract

Section: Introductionmentioning

confidence: 98%

Histochemical changes induced by Trichoderma spp. and potassium phosphite in common bean (Phaseolus vulgaris) in response to the attack by Colletotrichum lindemuthianum

Figueira

Kuhn

Martinazzo-Portz

et al. 2020

SCA

View full text Add to dashboard Cite

show abstract

“…Frações parcialmente purificadas obtidas de extratos brutos metanólico de Cymbopogon nardus apresentaram potencial para induzir o acúmulo de fitoalexinas em mesocótilos de sorgo [5] . Silva et al [7] demonstraram a eficiência de elicitores de resistência bióticos e abióticos no manejo da antracnose na videira.…”

Section: Introductionunclassified

Eugenol na indução de fitoalexina no feijoeiro (Phaseolus vulgaris L.)

Furlan

Bezerra

Lima

et al. 2022

View full text Add to dashboard Cite

O aumento expressivo da cadeia produtiva ocorre juntamente com objetivo de produzir alimentos com menores níveis de resíduos químicos e maior qualidade dos produtos. Um dos mecanismos naturais de defesa vegetal, induzida por atividades elicitoras, é a biossíntese de fitoalexinas, que são metabólitos secundários produzidos pela planta no local da infecção, e podem ser usadas para controle de pragas. Este trabalho teve como objetivo induzir a produção da faseolina no feijoeiro utilizando o eugenol como agente elicitor, pois o mesmo é conhecido por suas ações fungicida e bactericida. A metodologia aplicada foi adaptada e baseia-se em técnicas químicas e analíticas, visando a indução da faseolina na planta do feijoeiro através do agente elicitor eugenol. Uma vez induzida, a faseolina foi extraída em álcool etanol e sua leitura foi realizada em espectrofotômetro UV-VIS a 280 nm. Após o uso do eugenol (0,3%) na planta do feijoeiro, a produção de faseolina foi 4,22 vezes maior nesse tratamento quando comparada com o controle negativo (água) e 3,45 vezes maior em relação ao controle positivo (Bion®). De acordo com os resultados obtidos, confirmou-se que o eugenol possui ação elicitora sobre a planta do feijoeiro, pois induziu a produção da fitoalexina faseolina.

show abstract

Standard area diagram set for anthracnose severity on grapevine bunches and shoots

Modesto

Steiner

Menon

et al. 2020

Australasian Plant Pathol.

View full text Add to dashboard Cite

Avaliação do uso de elicitores de resistência bióticos e abióticos contra a antracnose na videira (Vitis labrusca L.)

Cited by 3 publications

References 9 publications

Histochemical changes induced by Trichoderma spp. and potassium phosphite in common bean (Phaseolus vulgaris) in response to the attack by Colletotrichum lindemuthianum

Histochemical changes induced by Trichoderma spp. and potassium phosphite in common bean (Phaseolus vulgaris) in response to the attack by Colletotrichum lindemuthianum

Eugenol na indução de fitoalexina no feijoeiro (Phaseolus vulgaris L.)

Standard area diagram set for anthracnose severity on grapevine bunches and shoots

Contact Info

Product

Resources

About