A opção do produtor Brasileiro produzir soja não geneticamente modificada pode ser uma vantagem estratégica

Thadani, Ramesh Mohan; Rocha, Augusto César Barreto

doi:10.34117/bjdv5n7-164

Cited by 1 publication

(3 citation statements)

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“…Corroborating with Kowata et al (2008), who state that the use of fungicides used to control the main leaf diseases of the crop are not efficient to prevent epidemics of this disease. The use of pesticides can cause environmental imbalance and the selection of resistant fungus populations (Thadani & Rocha, 2019;Tupich et al, 2017).…”

Section: Discussionmentioning

confidence: 99%

“…It is the most economically important grain in the world due to its productive potential, chemical composition and nutritional value (Faccin & Castillo, 2019). Conferring several applications in human and animal food, with relevant socioeconomic role, in addition to be an indispensable raw material to increment several agroindustrial complexes (Callegaro et al, 2018;Thadani & Rocha, 2019). Among factors limiting crop yield, there is occurrence of diseases.…”

Section: Introductionmentioning

confidence: 99%

“…The use of pesticides can cause damage to the environment, leading to environmental imbalance and selection of fungicide resistant fungal populations, in addition to raising the crop production's cost (Tupich et al, 2017). The reduction or elimination of pesticides in disease control is an economic and environmental necessity (Müller et al, 2019;Thadani & Rocha, 2019).…”

Section: Introductionmentioning

confidence: 99%

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Alternative Products to Control Soybean Downy Mildew in the Field

Gabardo¹,

Pria²,

Silva³

et al. 2020

JAS

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Soybean mildew caused by Oomycota Peronospora manshurica, is a disease widely spread in Brazil. In order to study the efficiency of soybean mildew control due to the application of alternative products and fungicide in the field, experiments were conducted in Ponta Grossa, PR, Brazil, during the 2013/2014 and 2014/2015 growing seasons. The design used was randomized blocks with four replications. The treatments were: 1-witness; 2-acibenzolar-S-methyl; 3-calcium; 4-micronutrients: copper, manganese and zinc; 5-micronutrients: manganese, zinc and molybdenum; 6-NK fertilizer; 7-Ascophyllum nodosum and 8-azoxystrobin + cyproconazole with the addition of Nimbus adjuvant. Four applications of alternative products (phenological stages V3, V6, R1 and R5.1) and two of fungicide (phenological stages R1 and R5.1) were performed. The mildew severity was estimated using a diagrammatic scale. The severity data made it possible to calculate the area under the disease progress curve (AUDPC). In the 2014/2015 harvest the disease was more severe. The control of downy mildew by the use of fungicide did not reduce the epidemic. The fungicide was not efficient in the two evaluated seasons. All tested alternative products reduced the disease severity and AUDPC in both seasons. The best results in reducing downy mildew were found with the application of acibenzolar-S-methyl, micronutrients (Cu, Mn, Zn) and A. nodosum.

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Section: Discussionmentioning

confidence: 99%