Tolerância De Plantas Jovens De Café a Herbicidas Aplicados Isoladamente Ou Em Mistura Com O Fertilizante Fertiactyl

Nascimento, Jefferson Luiz Marciano do; Pereira, Gustavo Antônio Mendes; Adriano, Rodrigo Cabral; Pucci, Laís Franchini; Júnior, Lucas Heringer Barcellos; Ferreira, Lino Roberto

doi:10.7824/rbh.v18i4.681

Cited by 2 publications

(2 citation statements)

References 9 publications

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“…Plant height followed the tendency of leaf area, showing higher height in relation to the plants affected by glyphosate in mixture with Crop + . Nascimento et al (2019) also carried out a study on the use of Fertiactyl Pós as an attenuator of injuries caused in coffee seedlings, with results similar to those observed in this study for the variables plant height, leaf area and dry matter. The author also reports the presence of overgrowth caused by the herbicide, which was mitigated with the use of Fertiactyl Pós.…”

Section: Discussionsupporting

confidence: 77%

“…In this study, it was possible to prove the efficiency of Fertiactyl Pós in reducing the harmful effects of glyphosate drift in coffee seedlings, adding information to the studies by Nascimento et al (2019) in coffee and Machado et al (2017aMachado et al ( , 2017bMachado et al ( , 2017c in eucalyptus. It also proved the same attenuation capacity when the seedlings were submitted to Crop + , an action never before tested in coffee crop.…”

Section: Discussionmentioning

confidence: 95%

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Use of foliar fertilizers as attenuators of injuries caused by glyphosate drift in young coffee plantations

Gonçalves

Pereira

Silva

et al. 2020

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Glyphosate is the most used product for weed control in young coffee planting rows. The application is carried out in a directed way, avoiding the contact of the product with the crop. However, drift and consequent plant injuries frequently occur. An alternative to reduce these injuries is the use of attenuators capable of reducing the negative effects caused by this herbicide. Therefore, the objective of this study is to verify the efficiency of foliar fertilizers (Fertiactyl Pós ® and Crop + ) as attenuators of the toxic effects caused by the use of glyphosate in the coffee crop. Thus, coffee seedlings were subjected to different doses of the mixture of Fertiactyl Pós ® with glyphosate and Crop + with glyphosate. The treatments were applied on top of the plants. The percentage of coffee intoxication was evaluated at 14, 21, 28, 35, 42 and 90 days after application. At 90 days after application, height, leaf area and shoot and root dry matter were evaluated. Higher doses of glyphosate (1.44 and 2.88 kg ha -1 ) without the use of attenuators caused intoxication levels close to 80% at 28 and 90 DAA. The use of Fertiactyl Pós ® and Crop + reduced the injuries caused by the application of glyphosate, regardless of the dose of herbicide and fertilizers, but with different levels of action. All the morphological variables measured suffered a negative action with the isolated use of glyphosate, with a tendency to recover when the attenuators were applied. It is concluded that the two attenuators were efficient in suppressing the deleterious effects of glyphosate on coffee plants affected by this herbicide. For 0.720 kg ha -1 of glyphosate, the dose most used in the field, 8 L ha -1 is recommended for Fertiactyl Pós ® and 4 L ha -1 for Crop + .

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Section: Discussionsupporting

confidence: 77%

Section: Discussionmentioning

confidence: 95%

Use of foliar fertilizers as attenuators of injuries caused by glyphosate drift in young coffee plantations

Gonçalves

Pereira

Silva

et al. 2020

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Sensitivity of Eucalyptus Clones to Herbicides Associated with Foliar Fertilizers

Barroso

Carvalho

Custódio

et al. 2022

Forests

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Postemergence application of herbicides can cause phytotoxicity problems in eucalyptus seedlings. Foliar fertilization can improve seedling development and mitigate the effects of herbicides on eucalyptus. Thus, the objective of this work was to evaluate the sensitivity of eucalyptus clones subjected to herbicides applied postemergence and associated with the application of foliar fertilizer. For this, a field experiment was carried out with the application of the products indaziflam, clomazone, glyphosate + S-metolachlor, sulfentrazone, and diuron + sulfentrazone, plus the application of an additional foliar fertilizer (composition in g/L of 78, 13, 40.3, 1.17, 0.78, 16.9, 13, 14.3, 0.52, and 29.9, respectively, for C, N, S, B, Co, Fe, Cu, Mn, Mo, and Zn). Height, stem diameter, shoot dry mass, chlorophyll content, and visual intoxication were the analyzed variables. The herbicides indaziflam and glyphosate + S-metolachlor were the most harmful to the tested eucalyptus clones, interfering with the growth variables. Among the evaluated clones, Clone AEC 144 had more significant changes in the analyzed variables in treatments with herbicides and foliar fertilizer application. The eucalyptus seedlings were generally more sensitive to indaziflam and glyphosate + S-metolachlor herbicides. Foliar fertilization reduced the intoxication caused by indaziflam in Clone AEC 056. The fertilizer intensified treatment symptoms with clomazone and diuron + sulfentrazone in Clone AEC 144 and with sulfentrazone and diuron + sulfentrazone in Clone AEC 2034.

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Tolerância De Plantas Jovens De Café a Herbicidas Aplicados Isoladamente Ou Em Mistura Com O Fertilizante Fertiactyl

Cited by 2 publications

References 9 publications

Use of foliar fertilizers as attenuators of injuries caused by glyphosate drift in young coffee plantations

Use of foliar fertilizers as attenuators of injuries caused by glyphosate drift in young coffee plantations

Sensitivity of Eucalyptus Clones to Herbicides Associated with Foliar Fertilizers

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