NDLI: Ação de herbicidas pré-emergentes no estabelecimento inicial de plântulas de espécies nativas do Cerrado

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Ação de herbicidas pré-emergentes no estabelecimento inicial de plântulas de espécies nativas do Cerrado

Content Provider	Semantic Scholar
Author	Marchi, Sidnei Roberto De Marques, Ricardo Fagundes Araújo, Prissila Pereira Dos Santos Marques, Anney Silva Souza, Rodrigo Marques De
Copyright Year	2018
Abstract	The weed control difficulties has been considered one of the most obstacles to success of forest recovery projects at degraded areas. This experiment aimed to evaluate the different pre‑emergent herbicides effect on seed emergence, seedling survival and initial development of Brazilian native tree species Platypodium elegans, Guazuma ulmifolia, Anadenanthera colubrine and Jacaranda micrantha. The experiment was conducted under greenhouse conditions in a completely randomized design with five replications. The treatments were constituted by the pre-emergence application of the following herbicides and doses: isoxaflutole (75, 150 and 300 g a.i. ha-1), pendimenthalin (500, 1000 and 2000 g a.i. ha-1), trifluralin (600, 1200 and 2400 g a.i. ha-1) and untreated herbicide as a check control. The effect of the herbicides was evaluated for the number of seedlings emerged, number of leaves per seedlings, height of seedlings, diameter of stem and dry matter of root and leaves at 35 days after germination. With the results obtained it was possible to affirm that all herbicides and their respective rates were safe to P. elegans and G. ulmifolia trees. Isoxaflutol at 150 and 300 g a.i. ha-1 was not selective to G. ulmifolia specie. Only trifluralin at 600 and 1200 g a.i. ha-1 sowed selectivity to A. colubrina specie.
Starting Page	612
Ending Page	612
Page Count	1
File Format	PDF HTM / HTML
Volume Number	17
Alternate Webpage(s)	https://www.rbherbicidas.com.br/index.php/rbh/article/download/612/e612
Alternate Webpage(s)	https://doi.org/10.7824/rbh.v17i4.612
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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