Paulo Cezar Rezende Fontes's research while affiliated with Universidade Federal de Viçosa (UFV) and other places

... As the import quantities and ratios of each vegetable show in Table 2, the targeted nine types of vegetables with an import ratio of over 22% were divided into three groups: currently VF grown (grown extensively in VF in 2018), possibly VF grown (planted in conventional farms mainly but possibly grown in VF, e.g., lettuce in Japan), and potentially VF grown (potentially grown in VF with a high risk of failure due to insufficient social and economic acceptance [80][81][82][83][84]). Due to the limitation of the consumption data, the import ratios of vegetables in Miyagi Prefecture were assumed to be the same as the ratios for the entire Japan, and the scenarios and vegetables groups were established based on the assumed import ratios. ...

... Este comportamiento de un mayor contenido de pigmentos fotosintéticos a los 90 y 110 DDP, se corresponde con los resultados obtenidos por Oliveira et al., (2018). Estos autores evaluaron las características morfofisiológicas y productivas de 20 accesiones de ajo 'Amarante', del Banco de Germoplasma Vegetal de la Universidad Federal de Viçosa en Brasil, y reportan valores de unidades SPAD entre 48,83-56,62 a los 87 DDP y entre 56,41-66,97 a los 114 DDP. ...

... Tetranychus ludeni has been observed causing significant damage to Ipomoea batatas (L.) Lam. (Soares et al. 2012;Castro et al. 2019) and Gossypium hirsutum L. (Malvaceae) (Silva 2002;Moraes & Flechtmann 2008;Valadares et al. 2021). In the multi-diverse Brazilian Amazon, T. ludeni has only been found on Tithonia diversifolia (Hemsl.) A. Gray. ...

... Bedellia somnulentella Zeller, 1847 (Lepidoptera: Bedelliidae), a microlepidoptera leaf miner, reached pest status with cosmopolitan distribution (Steyn et al., 2020). This moth was rst collected in South America in Peru (NHM, 1914) and its second report was more than a century later in Diamantina, Minas Gerais state in southeastern Brazil (Santos et al., 2018). Leaf mines are characteristic damage by B. somnulentella larvae, causing defoliation and reducing the photosynthetic area of plants, such as Ipomoea batatas, its main host, of economic importance and commercialized in natura, industrialized and as fodder for animals (Santos et al., 2018). ...

... On the contrary, Dessoky et al. (2016) obtained highest per cent survival of nodal segments when sterilized with 0.2% HgCl 2 . Better in vitro potato regeneration with stem segments have also been reported by Kaur et al. (2017) and Silva Filho et al. (2018). ...

... In fact, the fact that the effect of potassium on potato quality does not have a definite effect can be contradictory. Potassium has a positive effect on dry matter (Westermann et al. 1994;Kumar et al. 2011) starch (Sharma and Sud 2001a, b;Hannan et al. 2011) and specific gravity (Khan et al. 2012) in some studies, while it has been also reported that these traits, i.e., dry matter (Silva and Fontes 2016), starch (Li et al. 2015) and specific gravity (Mohr and Tomasiewicz 2012) could be negatively affected, as well. Moreover, some studies have revealed that potassium might have no effect on dry matter (Tambascio et al. 2014) and specific gravity (Davenport and Bentley 2001). ...

... Studies have shown the positive effects of N fertilizer on total and marketable potato tuber yields (Ahmed et al. 2009;Fontes et al. 2016, Yadav et al. 2017Wen et al. 2019); however, the rate of N fertilizer required to achieve optimum yield varied with the site, growing conditions, preceding crop, and crop management (Zebarth and Rosen 2007). It should be noted that the climate in the studied region is ...

... Potato is propagated asexually by "seed tubers", which are the costliest production component. Most of the seed potato seed used in Brazil is imported from other countries, especially the Netherlands (SOUZA et al. 2012). However, the investments in this agricultural input can reduce the production cost and increase the competitiveness against the imported potato seed (CALORI et al., 2017). ...

... Leaves cell weight is mostly covered by vacuole weight, and the vacuole also acts as a storage place for sugar in the sink tissue. However, Previous research reported an opposite result or decreased sugar content of the leaves due to high nitrogen application (Kano et al., 2007;Braun et al., 2016). ...

... The intensity of these effects will depend on the source material and its incorporation or not to the soil [23] . Another factor that may have influenced the responses regarding the commercial classification of beets is the tuber formation period, because until the first leaves are formed the tuber growth is slow, characterizing little accumulation of photo-assimilates compared to the swelling that occurs 42 days after transplanting in the Tall Top Early Wonder cultivar, where there is an increasing accumulation of photo-assimilates until the time of harvest [24] . ...