2019
DOI: 10.1590/s0100-83582019370100107
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Weed Phytosociology in Cassava Cultivation in Two Periods in Southwestern Bahia, Brazil

Abstract: Knowing the most important species in the weed community is necessary to decide the best weed control method to be used. Thus, a phytosociological survey was carried out on cassava cultivation areas located in five rural properties of Cândido Sales, BA, Brazil, one of the state’s largest cassava producers. Two collections were carried out in each property in February (summer) and August (winter) 2016. A square metal frame with 0.25 m2 was randomly placed in each area, zigzagging, and establishing a proportion … Show more

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Cited by 4 publications
(3 citation statements)
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“…To characterize the associated weed species, samples were taken in each lot selected by municipality, a W-shaped layout was made covering an area of 500 m 2 following the methodology described by Cardenal et al [4] . A pvc frame of 0.25 cm × 0.25 cm was used according to Prates et al [19] , in order to take 9 samples per lot with a profundity of 30 cm, once the samples were homogenized they were arranged in 9 aluminum trays of 31 cm long by 25 cm wide and 5 cm deep. They were kept under adequate conditions of water, light and humidity.…”
Section: Methodsmentioning
confidence: 99%
“…To characterize the associated weed species, samples were taken in each lot selected by municipality, a W-shaped layout was made covering an area of 500 m 2 following the methodology described by Cardenal et al [4] . A pvc frame of 0.25 cm × 0.25 cm was used according to Prates et al [19] , in order to take 9 samples per lot with a profundity of 30 cm, once the samples were homogenized they were arranged in 9 aluminum trays of 31 cm long by 25 cm wide and 5 cm deep. They were kept under adequate conditions of water, light and humidity.…”
Section: Methodsmentioning
confidence: 99%
“…Estudos florísticos e fitossociológicos podem servir como ferramenta para auxiliar no manejo e controle das plantas daninhas [7,8]. Apesar de existirem estudos sobre essas plantas na cultura da mandioca em outros estados brasileiros [9,10], nenhum deles levaram em consideração a contribuição das plantas exóticas invasoras no universo amostral.…”
Section: Introductionunclassified
“…Phytosociological surveys performed in cassava cultivation areas indicate that the weed community composition varies among seasons. Malvaceae, Fabaceae, and Poaceae were among the families with the highest number of species in the summer, whereas Convolvulaceae, Malvaceae, and Solanaceae were predominant in the winter (Prates et al, 2019). The storage root yield reduction caused by interference from uncontrolled weeds in cassava fields can reduce 40% of the total yield (Alabi et al, 2004).…”
mentioning
confidence: 99%