Strategies of plant establishment of two Cerrado species: <i>Byrsonima basiloba</i> Juss. (Malpighiaceae) and <i>Eugenia dysenterica</i> Mart. ex DC (Myrtaceae)

Silveira, C. E. S.; Palhares, Dario; Pereira, Luiz Alfredo Rodrigues; Pereira, Karina Braccini; Silva, Fernanda A. B.

doi:10.1111/j.1442-1984.2012.00366.x

Cited by 22 publications

(37 citation statements)

References 18 publications

(22 reference statements)

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“…Tsukamoto-Filho et al (2013) and Lopes et al (2014) also refer to the management practices needed for plantations maintenance and related costs. In addition, a high quality seedling means hight timber production capacity, which is described in Silveira et al (2013) and Faria et al (2013) as the main goal of any forest company in the world. CONCLUSION The clone AEC 1528 showed better quality standards at the Nursery #1, and clones AEC 100 and AEC 244 showed greater height and collar diameter at the Nursery #2, which means high quality seedlings and further vigour and development.…”

Section: Resultsmentioning

confidence: 99%

MORPHOLOGICAL PARAMETERS IN CLONAL SEEDLINGS OF Eucalyptus spp. IN THE EXPEDITION PHASE

Munguambe¹,

Silva²,

Chelene³

et al. 2018

Agrarian

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The seedlings production process of forest plant species is found to be an important stage in the forest-based production chain. The present work was conducted in commercial nurseries aiming to assess morphological parameters of Eucalyptus clonal seedlings in the expedition phase. The experiment was performed in two nurseries located in the southern part (Nursery #1) and slopes' field (Nursery #2) of the State of Minas Gerais, Brazil. The Completely Randomized Design was used, with four treatments or clones (AEC 144 -Eucalyptus urophylla, AEC 244 -Eucalyptus urophylla, AEC 1528 -hybrid of E. urophylla x Eucalyptus grandis and AEC 100 -hybrid of E. urophylla x E. grandis), seven replications and 16 seedlings per plot. Seedlings were produced in 54 cm 3 tubetes according to nurseries protocols. The following parameters were assessed: plant height, collar diameter, dry matter, and seedlings quality index. The Sisvar statistical analysis system was run for Analysis of Variance, and averages were compared by means of Scott-Knott test at 5% significance. The clone AEC 1528 showed better quality standards at the Nursery #1, and clones AEC 100 and AEC 244 showed greater height and collar diameter at the Nursery #2. Therefore, seedlings from commercial nurseries under study showed adequate morphological quality standards for expedition and planting.

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Section: Resultsmentioning

confidence: 99%

MORPHOLOGICAL PARAMETERS IN CLONAL SEEDLINGS OF Eucalyptus spp. IN THE EXPEDITION PHASE

Munguambe¹,

Silva²,

Chelene³

et al. 2018

Agrarian

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“…A primeira contagem de emergência foi conduzida juntamente com a EP, considerandose a porcentagem de plântulas emergidas aos 35 dias após a semeadura (SILVEIRA et al, 2013). O índice de velocidade (IVE) e tempo médio de emergência (TME) de plântulas foram determinados contabilizando o número de plântulas normais até 60 dias após a instalação da EP, aplicando-se os critérios e equações estabelecidos por Maguire (1962) e Edmond e Drapala (1958), respectivamente.…”

Section: Methodsunclassified

QUALIDADE DE SEMENTES DE Eugenia dysenterica DC. DURANTE O ARMAZENAMENTO

Silva

Vale

Silva

et al. 2019

Reveng

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Palavras-chave:Conservação emergência recalcitrante RESUMO A adoção de estratégias adequadas para o armazenamento de sementes é essencial para conservação da sua qualidade, ainda mais para aquelas classificadas como recalcitrantes.Objetivou-se, com este trabalho, avaliar a qualidade de sementes de Eugenia dysenterica DC. durante o armazenamento em ambiente natural e refrigerado. Os frutos foram coletados diretamente no chão e despolpados manualmente, e as sementes lavadas em água corrente, selecionadas quanto ao tamanho e armazenadas por 0; 7; 14; 21 e 28 dias em ambiente natural de laboratório (26,6 °C e 52,2% URA) e em refrigerador (8,4 °C e 49,2% URA). Para cada ambiente e período de armazenamento, foram realizadas as seguintes análises: emergência; índice de velocidade; tempo médio e primeira contagem de emergência de plântulas; comprimento da parte aérea e da raiz principal; massa fresca e seca da parte aérea e das raízes; massa seca total das plântulas; índice de qualidade de Dickson e teor de água. Independe do ambiente estudado, a porcentagem de emergência de plântulas se manteve acima de 84%, mesmo após 28 dias de armazenamento. O armazenamento das sementes de E. dysenterica DC. reduz a velocidade de emergência e o desempenho das plântulas, principalmente para aquelas armazenadas em ambiente natural. ABSTRACTThe adoption of adequate strategies for the storage of seeds is essential for their quality's conservation, even more for those classified as recalcitrant. The aim of this work was to evaluate the quality of Eugenia dysenterica DC.'s seeds during storage in a natural and refrigerated environment. The fruits were collected directly on the ground and manually pulped. The seeds were washed in running water, selected by size and stored for 0, 7, 14, 21 and 28 days in a natural laboratory's environment (26.6 °C and 52 °C, 2% URA) and in a refrigerator (8.4 °C and 49.2% URA). The following analyzes were performed for each environment and storage period: emergency, speed index, average time, first emergence's count of seedlings, length of the aerial part and the main root, fresh and dry mass of the aerial part and the roots, total dry mass of seedlings, quality index of Dickson and water content. The percentage of emergence's seedlings was above 84%, even after 28 days of storage, regardless the studied environment. The storage of E. dysenterica DC.'s seeds reduces the emergency speed and the seedlings' performance, mainly for those stored in a natural environment.

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“…If we also calculate the NL per centimeter of stem, we have 0.7 leaves/cm for plants grown in Bioplant ® , while for the SB+CMC and SCB+FC substrates, which had higher SL/RCD values, we find 1 leaf/cm, thus confirming that these latter substrates were not responsible for etiolation in the seedlings. A similar characteristic occurs in the R/S, given that Bioplant ® provided 3.8 times greater accumulation of dry weight in the root system than in the shoot, considering that the species prioritizes the development of the root system to the detriment of the shoot when young (Silveira et al, 2013).…”

mentioning

confidence: 89%

“…If we consider that E. dysenterica has two opposite leaves per node (Silveira et al, 2013), the plants show one node in the Bioplant ® substrate and three nodes in SB+CMC and SCB+FC. In addition, the seedlings grown in the Bioplant ® have a height close to 60% of the height of those grown, for example, in SB+CMC, which produced the greatest height in absolute terms.…”

mentioning

confidence: 99%

Parameters of Physiology, Nutrition and Quality of Eugenia dysenterica DC Seedlings Grown in Organic Substrates from the Agricultural Industry

Mota¹,

Silva²,

Dornelles³

et al. 2017

JAS

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Residues from agricultural activities might be used as substrates for production of seedlings. In this study it was aimed to evaluate the physiology, nutrition and quality of Eugenia dysenterica DC. seedlings grown in substrates derived from agricultural organic wastes. The wastes used were as follows: rice husks (RHs); fermented cattle manure (FCM); cattle manure compost (CMC), which contained corn silage and FCM; sugarcane bagasse (SCB); filter cake from sugar-alcohol mills (FC); and subsoil (SB). Four substrates were formulated from the wastes, namely SB+RH (1:1; v:v), SB+CMC (1:1), SB+FCM (3:1) and SCB+FC (3:2) and Bioplant  substrate was also used. The following characteristics were evaluated: the emergence and vigor percentages, biometric characteristics, seedling quality indices, gas exchange, chlorophyll a fluorescence and leaf nutrient levels. The seedling emergence was similar for all the substrates. The highest vigor was found in seedlings that were cultivated in SCB+FC, which was equal to the vigor observed in Bioplant  . In general, the use of the SB+CMC substrate gave better seedling results for the biometric and nutritional characteristics, followed by SCB+FC. Most of the biometric characteristics showed a correlation with photosynthesis, electron transport rate and effective quantum yield of photosystem II, thus showing that these characteristics can be alternatives to the traditional quality indexes used for seedlings. The use of CMC, SCB and FC was shown to be appropriate for the production and nutritional supply of seedlings' specie. The composition SB (subsoil)+CMC (1:1) proved to be the most suitable to produce E. dysenterica seedlings.

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Strategies of plant establishment of two Cerrado species: Byrsonima basiloba Juss. (Malpighiaceae) and Eugenia dysenterica Mart. ex DC (Myrtaceae)

Cited by 22 publications

References 18 publications

MORPHOLOGICAL PARAMETERS IN CLONAL SEEDLINGS OF Eucalyptus spp. IN THE EXPEDITION PHASE

MORPHOLOGICAL PARAMETERS IN CLONAL SEEDLINGS OF Eucalyptus spp. IN THE EXPEDITION PHASE

QUALIDADE DE SEMENTES DE Eugenia dysenterica DC. DURANTE O ARMAZENAMENTO

Parameters of Physiology, Nutrition and Quality of Eugenia dysenterica DC Seedlings Grown in Organic Substrates from the Agricultural Industry

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