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Base on the classification regarding the absorption and action location of herbicides, classify V for true sentences and F for false ones: 1- The c...

Base on the classification regarding the absorption and action location of herbicides, classify V for true sentences and F for false ones: 1- The classification can be based on the plant organ where the herbicide absorption will occur and, consequently, where it will be applied. This classification is very important for the correct application of the herbicide and the desired effect on the plant. 2- Contact herbicides, which only act on the part of the plant affected by the product, usually with a rapid effect (foliar on the leaves), while systemic herbicides, which are translocated by the plant's vascular tissues, cause a slower effect than contact herbicides. 3- Herbicides can be applied through the root pathway, in which foliar absorption can be slow or absent, and through which the herbicide must be applied directly to the soil for absorption by the roots. 4- After absorption, a herbicide chemical compound can act in two ways: cause an effect at the absorption site or be translocated from the absorption area to the region where it will cause the desired effect. Choose the alternative that presents the CORRECT sequence:


A) F-F-F-V.
B) V-F-F-V.
C) V-F-V-F.
D) F-V-V-F.

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biologia e controle de plantas daninhas
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A resposta correta é a alternativa C) V-F-V-F.

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