Agronomic performance of soybean under the application of ۲,۴-D amine subdoses

  • سال انتشار: 1401
  • محل انتشار: Journal of Agricultural Sciences and Engineering، دوره: 4، شماره: 3
  • کد COI اختصاصی: JR_JASE-4-3_002
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 43
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نویسندگان

Túlio Gonçalo

GAPES. Rio Verde, State of Goiás, Brazil

Danillo Andrade

GAPES. Rio Verde, State of Goiás, Brazil

Aline Cruvinel

GAPES. Rio Verde, State of Goiás, Brazil

Wenderson Costa

ADAMA Brasil. Rio Verde, State of Goiás, Brazil

Carlos César Menezes

Universidade de Rio Verde. Rio Verde, State of Goiás, Brazil

Guilherme Braz

Universidade de Rio Verde. Rio Verde, State of Goiás, Brazil

چکیده

The search for cultivation practices that provide increased soybean yield has been recurrent. From this context, the objective of this study was to evaluate the agronomic performance of soybeans with the application of phytosanitary products, as well as the effect of ۲,۴-D amine subdoses on this crop. Two field experiments were conducted in a randomized block design (RCBD), in a factorial arrangement, with four replications. In the first experiment, one factor corresponded to the soybean post-emergence application of propiconazole, ۲,۴-D amine, lactofen, imazethapyr and Grainset®, while the other factor corresponded to the single or sequential application of these products. For the second experiment, one factor corresponded to the application of ۲,۴-D amine at two phenological stages of soybeans: V۴ or V۸ (۴ and ۸ fully expanded trifoliate leaves, respectively), while in the other factor the subdoses of this herbicide were evaluated: ۴.۰۳, ۸.۰۶, ۱۲.۰۹, ۱۶.۱۲, ۲۰, ۱۵ and ۲۴.۱۸ g a.i. ha-۱. In both experiments, the additional treatment consisted of the control without application. ۲,۴-D amine applied in subdoses has potential for use in soybeans. The application of ۲,۴-D amine subdoses promotes changes in morphological parameters of this crop. Increase in the yield of this crop can be obtained with the application of ۲,۴-D amine in subdoses varying between ۱۶.۱۲ and ۲۰.۱۵ g a.i. ha-۱.

کلیدواژه ها

Auxin mimics, Glycine max, Growth Regulators

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