Maturação fisiológica de sementes de Eugenia pyriformis Cambess e Eugenia involucrata DC.

Oro, Priscilla

doi:10.5007/2175-7925.2012v25n3p11

Cited by 14 publications

(16 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…For the harvesting of forest seeds, physical parameters are generally adopted, such as changing the color of fruits and seeds, size, odor, presence of predators, dispersers and dehiscence of fruit as indicators of ripening (Piña-Rodrigues and Aguiar, 1993). Among these characteristics, changes of fruit color has been the most widely used indicator, since many fruit species change their color as they ripe (Dranski et al, 2010;Herzog et al, 2012;Oro et al, 2012;Srimathi et al, 2013;Lopes et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Physiological maturity of seeds and colorimetry of the fruits of Allophylus edulis [(A. St.-Hil., A. Juss. & Cambess.) Hieron. ex Niederl.]

et al. 2016

View full text Add to dashboard Cite

This study aimed to determine the physiological maturity of A. edulis seeds, check if this is achieved in the same maturation stage, regardless of the collection region and, colorimetry of the fruit can be indicative of the time of harvest. Fruits were harvested in three counties of the western region of Paraná and visually classified into five ripening stages according to the color of the pericarp with the help of a digital colorimeter. Analyzed seed variables included morphological characteristics, germination and vigor. The experiment was conducted in a completely randomized design with four replications. The maximum dry matter accumulation of seeds was reached when the fruits reached the color orange. With the advance of the ripening process, red color fruits had seeds with lesser moisture content, coinciding with the maximum germination percentage and speed, besides generating seedlings with larger size and biomass accumulation. The green spectrum allowed to discriminate maturity from different places of harvest. A. edulis seeds with physiological maturity should be harvested when fruits present the red color, independent of the harvesting region or, with reflectance values between 28.0 and 49.2 nm in the green range of the color spectrum.

show abstract

Section: Introductionmentioning

confidence: 99%

Physiological maturity of seeds and colorimetry of the fruits of Allophylus edulis [(A. St.-Hil., A. Juss. & Cambess.) Hieron. ex Niederl.]

et al. 2016

View full text Add to dashboard Cite

show abstract

“…Cambess and Eugenia involucrata D.C. do not express in the seeds characteristics of the physiological maturation, but they can have as an indicative the epicarp coloration of fruits [25]. Though, it is believed that there is a relation between camu-camu seed coloration of the studied population with the development, being able to influence the germination index, further studies of the seeds of Myrciaria dubia, at different maturation stages of the fruit in order to identify the ideal harvest time for the utilization in works with improvement are suggested.…”

Section: Species Of Myrtaceae As Eugenia Pyriformismentioning

confidence: 99%

Biometrics seeds, emergence and vigor of camu-camu seedlings depending on the seed coat coloring

Smiderle

Chagas

Souza

et al. 2015

JAA

View full text Add to dashboard Cite

In the Brazilian Amazon is significant diversity of fruit species, the agronomic characteristics of which are still little studied. The objective of this study was to evaluate the influence of tegument coloration on germination and vigor of camu-camu seeds. The seeds were obtained from ripe and healthy fruits coming from population of the Urubu River in Roraima and were classified visually according to the tegument coloration of green, red and brown color. 200 seeds for each class of colors were utilized, evaluating the following biometric characters: length, breadth, thickness and individual mass, obtained with the aid of a digital caliper and precision balance. The experimental design utilized was the completely randomized with three treatments and 10 replications of 20 seeds. The highest means of mass and volume were obtained from brown and red seeds. The brown seeds produce higher content of root dry mass than both the green and red seeds. The physiological quality of camu-camu seeds of the Urubu River is associated with tegument coloration. Seeds with brown tegument have better development, greater growth of seedlings with greater accumulation of dry matter both in the roots and shoots.

show abstract

“…In addition, Oro et al (2012) studying maturity stages of cerejeira-do-mato (Eugenia involucrata DC.) fruits observed that high germination speed were recorded with seeds from clear red fruits.…”

Section: Stages Of Maturation Length Mean Diameter ---------------Mm mentioning

confidence: 99%

PHYSIOLOGICAL AND ENZYMATIC CHANGES DURING SEED MATURATION AND GERMINATION OF Luehea divaricata

Schulz

Schneider

Gusatto

et al. 2017

View full text Add to dashboard Cite

Luehea divaricata Mart. & Zucc is tree is of great ecological and economic importance. This study investigated the effect of fruit maturation on the germination and vigor of L. divaricata. Fruits were harvested at three maturity stages (unripe or green, brown and open) defined by digital colorimetry and seeds extracted from each stage divided into lots of earliest harvested and stored. Germination test was conducted with four replicates of 25 seeds from each fruit maturity stage in plastic boxes under temperature of 30 ± 2° C. The study was conducted in a 2 x 3 (two lots and three maturity stages) factorial arrangement in a completely randomized design with four replications. Data was submitted to analysis of variance and the means were compared by Tukey at 5%. Germination, germination speed index, average root length and moisture content showed higher values for recently harvested seeds extracted from fruits of all maturity stages compared to stored seeds. LEA protein showed higher activity in seeds from fruits with brown epicarp color of both lots while α-amylase protein activity was higher in the stored seed lot. This shows that better seeds are those that are newly collected fruits and browns.

show abstract

Maturação fisiológica de sementes de Eugenia pyriformis Cambess e Eugenia involucrata DC.

Cited by 14 publications

References 15 publications

Physiological maturity of seeds and colorimetry of the fruits of Allophylus edulis [(A. St.-Hil., A. Juss. & Cambess.) Hieron. ex Niederl.]

Physiological maturity of seeds and colorimetry of the fruits of Allophylus edulis [(A. St.-Hil., A. Juss. & Cambess.) Hieron. ex Niederl.]

Biometrics seeds, emergence and vigor of camu-camu seedlings depending on the seed coat coloring

PHYSIOLOGICAL AND ENZYMATIC CHANGES DURING SEED MATURATION AND GERMINATION OF Luehea divaricata

Contact Info

Product

Resources

About