Using Glyphosate on Guarana Seedlings in the Amazon

Using Glyphosate on Guarana Seedlings in the Amazon

The seed yield of guarana ( H.B.K. var. sorbilis) is affected by weeds. Management is difficult for Amazon farmers and ranchers, owing to the hot and humid climate prevailing in the region, which makes mechanical control inefficient and leads farmers to the decision to use herbicides. Herbicide dama...

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Vol. 28; no. 13; p. 5193
Main Authors: Konrad, Bruna Nogueira Leite, Pinheiro, Sara Cruz, Ferreira, Carla Coelho, Hoffmann, Evandro Konrad, Albertino, Sônia Maria Figueiredo
Format: Journal Article
Language:English
Published: Switzerland MDPI AG 04-07-2023
MDPI
Subjects:
Amino acids
Analysis
Anthracnose
Beverage industry
Biometrics
Caffeine
Crop diseases
Crop yield
Damage assessment
Farmers
Glyphosate
herbicide
Herbicides
Humid climates
Injuries
Injury
Injury analysis
Leaves
Mechanical control
Microorganisms
Paullinia
Paullinia cupana
Plant growth
Regression analysis
Seedlings
Seeds
Variance analysis
Weed control
Weeds
Brazil
anthracnose
herbicide
Injury
Paullinia cupana
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Summary:The seed yield of guarana ( H.B.K. var. sorbilis) is affected by weeds. Management is difficult for Amazon farmers and ranchers, owing to the hot and humid climate prevailing in the region, which makes mechanical control inefficient and leads farmers to the decision to use herbicides. Herbicide damage to this species is unknown. The objective of this study was to evaluate glyphosate damage to the development and quality of guarana seedlings. The treatments consisted of glyphosate doses at concentrations of 0, 126, 252, 540, 1080, 2160 and 3240 g a.e. ha and were evaluated for 60 days, in two applications. Analyses were performed for biometrics, seedling development, anthracnose and Injury characteristics. Glyphosate caused symptoms of Injury in all doses applied, but lower doses did not interfere with seedling growth and development. There was a correlation between anthracnose severity and increased glyphosate dose. When applied correctly, glyphosate can be an integrated weed management tool for use in guarana crops.
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ISSN:1420-3049
1420-3049
DOI:10.3390/molecules28135193