Post-emergence application of herbicides and growth regulators on soybean growth and agronomic performance
| Autor: | Leandro Paiola Albrecht, Tamara Thaís Mundt, Mateus Dalpubel Mattiuzzi, André Felipe Moreira Silva, Alfredo Junior Paiola Albrecht, Fabiula Patricia Novakoski, Felipe Gustavo Wagner, Eduardo Seity Furlan Kashivaqui |
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| Přispěvatelé: | Federal University of Paraná, Crop Science, State University of Maringá, Universidade Estadual Paulista (UNESP) |
| Rok vydání: | 2020 |
| Předmět: |
0106 biological sciences
Yield Plant growth Lactofen Randomized block design Mepiquat chloride Plant Science Biology 01 natural sciences chemistry.chemical_compound Yield (wine) Soybean crop fungi Crop injury food and beverages Plant physiology Trinexapac 04 agricultural and veterinary sciences Cloransulam Plant height chemistry Agronomy Chlorophyll 040103 agronomy & agriculture 0401 agriculture forestry and fisheries Agronomy and Crop Science 010606 plant biology & botany Biotechnology |
| Zdroj: | Scopus Repositório Institucional da UNESP Universidade Estadual Paulista (UNESP) instacron:UNESP |
| ISSN: | 2005-8276 1975-9479 |
| Popis: | Made available in DSpace on 2022-04-28T19:28:36Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-06-01 Plant lodging is among the factors that limit the productive potential of the soybean crop. Growth regulators or even herbicides may be used in pre- and post-emergence of soybean to minimize the chance of lodging. These products can act to reduce plant height or the number of branches. This study aimed to evaluate the growth and agronomic performance of soybean under the post-emergence application of growth regulators and herbicides. Two experiments were conducted in Palotina, Paraná State (PR), Brazil. A randomized complete block design with four replications was used. Treatments consisted of the application mepiquat chloride, trinexapac, cloransulam, lactofen, and control (without application). Crop injury, chlorophyll indices, and variables related to growth and agronomic performance of soybean crop were evaluated. Post-emergence application of lactofen (36 g a.i. ha−1) or cloransulam (33.6 g a.i. ha−1) on soybean (V3–V4) reduced the height of soybean plants, but showed no negative effect on soybean yield. Therefore, these herbicides are alternatives to reduce the lodging of soybean plants. Post-emergence application of mepiquat chloride (100 g a.i. ha−1) was selective to soybean plants, but did not reduce plant growth. Trinexapac application (125 g a.i. ha−1) did not reduce plant growth and had a deleterious potential on soybean yield. Therefore, post-emergence application of trinexapac on soybean is not recommended. Federal University of Paraná, Palotina Sector Crop Science State University of Maringá São Paulo State University “Júlio de Mesquista Filho São Paulo State University “Júlio de Mesquista Filho |
| Databáze: | OpenAIRE |
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