Seed physiological quality and harvest point of dovyalis fruits

Villa, Fabíola; Silva, Daniel Fernandes da; Herzog, Neusa Francisca Michelon; Malavasì, Marlene de Matos

doi:10.1590/1983-40632019v4954520

Cited by 9 publications

(8 citation statements)

References 11 publications

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“…Heterogeneity of seed maturity between and within bunches is considered as important factors for germination potential (Kallow et al 2021). The level of fruit ripeness is related to physiological quality of seeds (Kaiser et al 2016;Villa et al 2019). The results of this study showed that with the advance of the ripening process, seeds extracted from fully-ripe fruits (yellow peel) generated seedlings with higher percentage and faster germination, also more vigorous in growth variables.…”

Section: Seed Germination Of M Acuminata Var Flavamentioning

confidence: 76%

“…When the seeds were not completely mature, they could germinate, but did not result in seedlings as vigorous as those harvested at the appropriate ripening time. It was also observed from the lower amount of reserves deposited (endosperms) which may cause a limiting factor for the development of seedlings (Moiwend et al 2015;Villa et al 2019). The level of fruit maturity was also reported to affect in vitro seed germination percentage of M. ornata (Dayarani et al 2014).…”

Section: Seed Germination Of M Acuminata Var Flavamentioning

confidence: 99%

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Morphological Characterization and Seed Germination Study of Wild Banana Musa acuminata var. flava (Ridl.) Nasution

Trimanto¹,

Renjana²,

Lestari³

et al. 2022

J.Tropical Biodiversity Biotechnology

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Wild bananas provide important genetic materials for further banana improvement, therefore they need to be conserved and studied. This study aimed to describe morphological characteristics of plant and seed and also to study the seed germination of wild banana M. acuminata var. flava (Ridl.) Nasution. The morphological characteristics were observed descriptively by referring to the descriptor for banana. The internal and external morphology of the seeds were observed using a digital microscope. The germination testing was carried out by a completely randomized design, using fresh seeds extracted from a bunch of fruits with two ripeness levels i.e. fully-ripe (yellow peel) and under-ripe (green-yellow peel). The data resulted was then analyzed using an independent t-test. The results showed that M. acuminata var. flava is characterized as a perennial herb; pseudostem height ≥3 m; male bud like a top with prominent green-yellow bracts; fruit curved and tasted mild-sweet when ripe. The seed is angular with wrinkled surface, and dark brown-black color when ripe. The longitudinal section showed parts of the seeds comprising the seed coat, outer and inner integument, embryo, endosperm, chalazal mass, micropyle cap and channel. The seeds are classified as orthodox, with hypogeal type and gradual germination pattern. The seeds extracted from fully-ripe fruit germinated faster with higher germination percentage and growth variables (root number and plant height). Thus, it is suggested to use physiologically mature seeds (seeds from fully-ripe fruits) which should be separated from the seeds of under-ripe fruits to lower the heterogeneity.

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Section: Seed Germination Of M Acuminata Var Flavamentioning

confidence: 76%

Section: Seed Germination Of M Acuminata Var Flavamentioning

confidence: 99%

Morphological Characterization and Seed Germination Study of Wild Banana Musa acuminata var. flava (Ridl.) Nasution

Trimanto¹,

Renjana²,

Lestari³

et al. 2022

J.Tropical Biodiversity Biotechnology

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“…Similar fruit characteristics evaluation of Elaeagnus latifolia L was done by Rymbai et al (2020). Dovyalis fruit color varies during ripening from green to intense brown color and fruits reach their maximum size and biomass accumulation point when the exocarp color is brown while seed removal for propagation should be done when fruits are yellowish-green in hue (Villa et al, 2019). The highest final germination percentage (53%) was recorded in seed clipping treatment (T 6 ) which is in significant with fine sand rubbing treatment (T 1 ) (Fig.…”

Section: Resultsmentioning

confidence: 91%

Development of ex-situ conservation protocol of Ceylon gooseberry [Dovyalis hebecarpa (Gardner) Warb.]

Ekanayake¹,

Fernando²

2021

IJMFM&AP

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Ex-situ conservation techniques are used effectively to preserve many threatened plant species including Ceylon gooseberry from imminent extinction. The present study was conducted to evaluate an integrated conservation approach which includes seed treatments, seedling establishment and rooting of stem cuttings of Ceylon gooseberry (Dovyalis hebecarpa). Three experiments were set up at the Faculty of Agriculture University of Ruhuna from September 2020 to January 2021. Six seed treatments (seed clipping, cold water soak, hot water treatment, rubbing with fine sand, wood ash, and sandpaper) were used to induce germination of seeds. Germination percentage and germination time were significantly different among treatments. The highest final germination percentage (53%) was recorded when seeds were clipped. The best potting mixture for the seedling growth was observed as topsoil: sand: coir-dust: compost, 1:1:1:2 ratio having 60% seedling survival rate. The commercially available PGR and Aloe vera gel were used to induce rooting in semi-hardwood cuttings. Total root length, number of roots, germination percentage, root and shoot vigour were significantly different among treatments. Ceylon gooseberry seedlings and rooted cuttings could be produced in large scale and establish in the field by adopting the propagation protocol developed in the present study.

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“…Isso sugere a coloração como uma característica importante a ser analisada em estudos sobre a maturação de sementes, comportamento similarmente verificado com frequência nas colheitas de sementes em fase de completa maturação de Joannesia princeps. Para fins propagativos de Dovyalis hebecarpa, foi observado que a retirada das sementes deve ser feita em frutos colhidos a partir do estádio 2 (2.5GY 5/8), com coloração verde-amarelada, embora maior tamanho e acúmulo de biomassa tenham sido atingidos com coloração do exocarpo marrom pela carta de Munsell por 2.5YR 3/4no, no estádio 4 de maturação (VILLA et al, 2019).…”

Section: Caracterização Morfológica E Biometria Dos Frutos E Sementesunclassified

Joannesia princeps Vell. (Euphorbiaceae) germinação, fenologia e morfometria de frutos, sementes e plântulas

Beltrame¹,

Carrijo²,

Otoni³

2022

Ciênc. Florest.

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Joannesia princeps, popularmente conhecida como cutieira, é uma Euphorbiaceae endêmica do Brasil, cuja madeira é utilizada para diversos fins industriais. As sementes possuem aproximadamente 37% de óleo útil para fins industrias e medicinais, servem de alimento para cutias (Dasyprocta azarae), além de apresentarem destacada importância na sucessão ecológica em áreas degradas. Objetivou-se estudar a germinação, fenologia e a morfometria de frutos, sementes e plântulas de Joannesia princeps. Foram utilizados 1000 frutos de Joannesia princeps colhidos de 40 matrizes de Mata Atlântica do Entorno do Caparaó, que compõem um bosque existente no Horto Municipal da cidade de Alegre - ES, nos quais foram analisados os atributos qualitativos em relação à morfologia. Na análise biométrica, foram analisados: comprimento, diâmetro e espessura. As análises das plântulas foram conduzidas periodicamente no 6°, 7º, 14º, 21º, 28º, 35º e 42º dia após a germinação, utilizando-se quatro repetições de 15 plântulas normais e sadias para as descrições. Observou-se que as raízes mudaram o tom de sua coloração de esbranquiçada para branco-amarelada entre o 14º para o 21º dia após a germinação (DAG), enquanto o hipocótilo, nos estádios iniciais, apresentava coloração avermelhada passando para verde após o 14º DAG. Os demais órgãos não apresentaram mudanças consideráveis, contudo, biometricamente, todos os órgãos apresentaram acréscimo nas suas dimensões, conforme a evolução do desenvolvimento. Os aspectos morfológicos descritos e ilustrados demonstraram-se estáveis e, portanto, informativos para a caracterização e identificação da espécie em processo de germinação e nos primeiros estádios de desenvolvimento.

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Seed physiological quality and harvest point of dovyalis fruits

Abstract: RESUMO

Cited by 9 publications

References 11 publications

Morphological Characterization and Seed Germination Study of Wild Banana <i>Musa acuminata</i> var. <i>flava</i> (Ridl.) Nasution

Morphological Characterization and Seed Germination Study of Wild Banana <i>Musa acuminata</i> var. <i>flava</i> (Ridl.) Nasution

Development of ex-situ conservation protocol of Ceylon gooseberry [Dovyalis hebecarpa (Gardner) Warb.]

<i>Joannesia princeps</i> Vell. (Euphorbiaceae) germinação, fenologia e morfometria de frutos, sementes e plântulas

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