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Growth and Development of Ipomoea Weeds Planta Daninha
BARROSO,A.A.M.; FERREIRA,P.S.H.; MARTINS,D..
ABSTRACT: Weeds reduce the productive potential of crops. Plants of the Ipomoea genus, besides competing for water, light, space and nutrients, create problems in crop harvests due to their volatile stems. The objective of this work was to evaluate the growth and development of five Ipomoea species. For such, Ipomoea grandifolia, Ipomoea hederifolia, Ipomoea nil, Ipomoea purpurea and Ipomoea quamoclit plants were analyzed during the summer and winter season. Five destructive and periodic growth evaluations were carried out for each study, where leaf number, leaves, stems, roots and the total biomass were analyzed. Phenological stages of the plant development were also evaluated for emergence, flowering and maturation sub-periods by degree-days, totalizing...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Morning glory species; Ipomoea grandifolia; Ipomoea hederifolia; Ipomoea nil; Ipomoea purpurea; I. quamoclit.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100233
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One-eye-set sugarcane susceptibility to weed interference Anais da ABC (AABC)
BELUCI,LUCAS R.; BACHA,ALLAN L.; BARROSO,ARTHUR A.M.; ALVES,PEDRO LUIS C.A..
Abstract The new technology of sugarcane planting, known as one-eye-set seedlings, offer a high standard of plant health and vegetative vigor. However, there are no reports in the literature that evaluate the weed competition with one-eye-set sugarcane seedlings, and the periods in which weed communities need to be controlled in this system. Two interference experiments were conducted in field conditions. The first experiment determined the periods of weed interference of an infesting community predominated by Ipomoea hederifolia and Merremia aegyptia in sugarcane. In the second experiment, these same species competed with plants of the same sugarcane cultivar. Productivity and qualitative aspects of production were evaluated. The critical period of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Critical period of interference prevention; Competition; Morning glory species; Periods of interference; Sugarcane OES.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000703513
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