Effect of satellite-emitted frequency sequences on Phakopsora pachyrhizi control, on soybean nutrition and yield

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dc.contributor.authorFurlan, Silvânia Helena
dc.contributor.authorBueno, César Júnior
dc.contributor.authorOliveira, Gabriel Fernando Furlan Monteiro de
dc.contributor.authorLeite, Juliana Aparecida Borelli Pereira
dc.date.accessioned2024-05-17T11:56:29Z
dc.date.available2024-05-17T11:56:29Z
dc.date.issued2023
dc.description.abstractABSTRACT The obstacles in Phakopsora pachyrhizi management result especially from susceptible soybean genotypes and resistant fungal strains. The objective of the current study was to evaluate the applicability of the emission of extremely low and specific frequencies by Effatha technology in the soybean Asian rust control, nutrition, and its impact on yield. The in-vivo test followed the detached leaves method, with six treatments: frequencies 1 and 2 individually and in association; the conventional chemical treatment (fungicide azoxystrobin + benzovindiflupyr); and witnesses in presence and absence of the fungus. Frequency 1 relates to inhibition of the enzyme succinate dehydrogenase and 2 to ubiquinone oxidase. In the field, frequencies 1 and 2 associated (with the same fungicidal action of the in-vivo study); nutritional frequency; application of azoxystrobin + benzovindiflupyr + mancozeb, and control without application were evaluated. In vivo, the fungicide provided 85% control of the disease symptoms, against 65% of frequencies 1 and 2 in association, which showed a higher efficiency compared to the isolated frequencies. In the field, the rate of increase of symptoms were reduced by all treatments compared to the control. At the end of the soybean cycle, the conventional fungicide resulted in 33% severity against 56% of frequencies 1 and 2 associated, and 69.2% of the control. The emission of the frequency for increased nutrient efficiency stood out positively on yield in relation to all the other ones. The conventional application provided the highest weight of 1,000 grains, possibly a direct reflection of the better control of the disease.
dc.identifier.doi10.1590/1808-1657000102022
dc.identifier.issn1808-1657
dc.identifier.otherS1808-16572023000100100-scl
dc.identifier.urihttps://repositorio-aptaregional.agricultura.sp.gov.br/handle/123456789/1875
dc.relation.ispartofArquivos do Instituto Biológico
dc.subjectEffatha technology
dc.subjectnutrients
dc.subjectfungicides
dc.subjectfield conditions
dc.subjectAsian rust
dc.titleEffect of satellite-emitted frequency sequences on Phakopsora pachyrhizi control, on soybean nutrition and yield
dc.typeArtigos
oaire.citation.volume90

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