Phenotyping bananas for drought resistance

Ravi, I.; Uma, S.; Vaganan, M. Mayil; Mustaffa, M. M.

doi:10.3389/fphys.2013.00009

Cited by 96 publications

(85 citation statements)

References 48 publications

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“…Ekanayake et al (1994) argue the cultivars that restrict the stomatal conductance in drought conditions are considered "water economic." Thus obtaining cultivars with increased tolerance to abiotic stresses passes the identification of characteristics that grants drought tolerance (RAvi et al, 2013) as transpiration efficiency (KISSEL et al, 2015).…”

Section: Resultsmentioning

confidence: 99%

Gas Exchange in Different Varieties of Banana Prata in Semi-Arid Environment

et al. 2016

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-This study aimed to evaluate gas exchange of banana prata in two production cycles in semiarid environment. Six cultivars were used as treatments arranged into a completely randomized design with five replications and four plants per plot. For physiological characteristics, it was considered a factorial arrangement of 6x14x2, six cultivars, 14 periods (months), two readings, 8h and 14h in each period. The rates of gas exchange, the carboxylation efficiency and the instantaneous efficiency of water use were higher at 8h and lower at 14h, with rare exceptions. The 'BRS platina' had a higher leaf temperature, higher transpiration and lower water use efficiency. 'Prata-Anã', 'FHIA-18' and 'Maravilha' expressed lower leaf temperature and lower transpiration. The 'Maravilha' is the most efficient in water use. Transpiration increases linearly with the leaf temperature, while the instantaneous efficiency of water use decreases linearly. Index terms: Musa spp., AAB and AAAB, physiological variables. TROCAS GASOSAS EM DIFERENTES CULTIVARES DE BANANEIRAS TIPO PRATA EM AMBIENTE SEMIÁRIDORESUMO -Objetivou-se com o presente trabalho avaliar as trocas gasosas de bananeiras tipo prata, em dois ciclos de produção em ambiente semiárido. Utilizaram-se seis cultivares como tratamentos dispostos em um delineamento experimental inteiramente casualizado, com cinco repetições e quatro plantas úteis por parcela. Para as características fisiológicas, considerou-se um arranjo em esquema fatorial 6x14x2, seis cultivares, 14 épocas de avaliação (meses) e dois horários de leitura (8h e 14h), em cada época. As taxas de trocas gasosas, a eficiência de carboxilação e a eficiência instantânea do uso da água foram maiores às 8h e menores às 14h, com raras exceções. A 'BRS platina' apresentou maior temperatura foliar, maior transpiração e menor eficiência de uso da água. 'Prata-Anã', 'FHIA-18' e 'Maravilha' expressaram menor temperatura foliar e menor transpiração. A 'Maravilha' é mais eficiente no uso da água. A transpiração aumenta de maneira linear com o aumento da temperatura foliar, enquanto a eficiência instantânea do uso da água decresce linearmente. Termos para indexação: Musa spp., AAB e AAAB, variáveis fisiológicas.

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Section: Resultsmentioning

confidence: 99%

Gas Exchange in Different Varieties of Banana Prata in Semi-Arid Environment

et al. 2016

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“…Esta respuesta pudiera deberse a su composición genómica, ya que a pesar de poseer la contribución de la especie M. balbisiana, Ravi et al (2013) Teniendo en cuenta los resultados obtenidos en el presente trabajo para las variables morfológicas evaluadas, sería necesario el análisis de otras variables para llegar a una mejor conclusión sobre el grado de tolerancia o sensibilidad de los cultivares estudiados al estrés hídrico in vitro.…”

Section: Determinación De Indicadores De Estrés Hídrico Morfológicosunclassified

“…que poseen mayor valor comercial son generalmente estériles, poliploides y se propagan vegetativamente (Ravi et al, 2013), por esta razón para su mejoramiento genético no resulta conveniente utilizar las técnicas clásicas. En su lugar, la biotecnología ofrece múltiples ventajas, entre ellas la selección in vitro, ya que permite ahorrar tiempo, recursos y trabajar con un mayor volumen de individuos.…”

Section: Introductionunclassified

“…los cultivares que poseen en su genoma la contribución de M. balbisiana (representado con la letra B), toleran mejor el défi-cit hídrico que aquellos que solamente tienen la contribución de M. acuminata (representado con la letra A) (Ravi et al, 2013). Sin embargo, la mayoría de estos conocimientos se basan en la respuesta de las plantas en condiciones de campo o in vivo.…”

Section: Introductionunclassified

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Respuesta de cultivares de Musa spp. al estrés hídrico in vitro inducido con polietilenglicol 6000

Moreno-Bermúdez¹,

Reyes²,

Rodríguez³

et al. 2017

Rev. colomb. biotecnol.

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Respuesta de cultivares de Musa spp. al estrés hídrico in vitro 75Respuesta de cultivares de Musa spp. al estrés hídrico in vitro inducido con polietilenglicol 6000Responses of Musa spp. cultivars to in vitro water stress induced with polyethylene glycol 6000 RESUMEN Los plátanos y bananos son cultivos sensibles al déficit hídrico. Las sequías cada vez más prolongadas sugieren la necesidad de obtener plantas tolerantes a este factor; la selección temprana de estas plantas, comparada con la selección en campo, permite ahorrar tiempo y trabajar con mayores volúmenes de individuos. Para ello es conveniente contar con cultivares patrones cuya respuesta al déficit hídrico in vitro sea favorable. El objetivo del presente trabajo fue determinar la respuesta de cultivares de Musa spp. con diferente composición genómica al estrés hídrico inducido in vitro con polietilenglicol 6000 (PEG-6000). Se estudiaron los cultivares 'Pelipita' (ABB), 'Manzano' (AAB) y 'Grande naine' (AAA). El estrés se indujo con 30 g/L de PEG-6000 en medio de cultivo semisólido de multiplicación. A los 30 días se evaluaron variables indicadoras de estrés morfológicas (altura y número de brotes por explante), fisiológicas (masa fresca y masa seca) y bioquímicas (contenido prolina, peróxido de hidrógeno y malondialdehido). En el cultivar 'Pelipita' se afectó solamente la altura de las plantas, mientras que en los demás se afectaron todas las variables excepto la masa seca en el 'Manzano'. En este último y en el 'Grande naine' se incrementó la prolina, el peróxido de hidróge-no y el malondialdehido, lo que evidenció un mayor estrés oxidativo y daño en las membranas celulares. Los cultivares estudiados, pudieran emplearse como controles de tolerancia ('Pelipita') y sensibilidad ('Grande naine' y 'Manzano') en la selección in vitro de plantas tolerantes a la sequía, en futuros programas de mejoramiento genético. ABSTRACTBananas and plantains are crops very sensitive to water deficit. Increasingly prolonged drought condition suggests the need for tolerant plants to this factor. The early selection of these plants in in vitro conditions save time and allow working with large volumes of individuals. This requires having genotypes with favorable response to in vitro water deficit. The aim of this work was to determine the response of Musa spp. cultivars, with different genotype contribution, to in vitro water stress induced by polyethylene glycol 6000 (PEG-6000). Cultivars 'Pelipita' (ABB), 'Manzano' (AAB) and 'Grande naine' (AAA) were cultured in semisolid multiplication medium supplemented with PEG-6000 30 g/L. Different stress indicator traits were evaluated after 30 days (morphological: height and number of shoots per explant; physiological: fresh and dry weight; and biochemical: proline, hydrogen peroxide and malondialdehyde content). As results, osmotic stress affected only plant height in 'Pelipita' cultivar. However, in the other cultivars all variables were affected, except dry weight in 'Manzano'. Moreover cv. 'Grande naine' and 'Manzano' increas...

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“…Pisang Awak (ABB genome) in Oman showed to be well adapted to dryness (De Langhe, 2002). ABB varieties are showing good palatability and high productivity in the natural germplasm (Ravi et al, 2013).…”

Section: Potential Uses Of Pisang Awakmentioning

confidence: 99%

Morphology and Anatomy Characteristic of Pisang Awak (Musa paradisiaca cv. Awak) in West Kalimantan

Sunandar

Kahar

2017

J Bio Bio Edu

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Indonesia is the origin and center of diversity of banana. One of an edible banana in Indonesia is Pisang Awak (Musa paradisiaca cv. Awak ). In West Kalimantan, the ripe Pisang Awak has been processed into sale (dried banana). The aims of this research were to describe the morphological and anatomical character of Pisang Awak in West Kalimantan, Indonesia. In this study, Pisang Awak were collected from Padang Tikar I village, Batu Ampar Sub-district, Kubu Raya district, West Kalimantan. Morphological characterizations were conducted by following the instruction on Descriptors for Banana (Musa spp.) from IPGRI. The root, leaf blade, and petiole were fixed in FAA solution. Root, leaf, and petiole anatomy preparats were made by paraffin method. The lamina of Pisang Awak consisted of adaxial epidermis, two hypodermis layers, two palisade layers, spongy layer, bundle sheath cell, abaxial epidermis, laticifer. The petiole of Pisang Awak composed of three tissue systems, i.e., epidermis layer, parenchyma tissue and vascular tissue. The root of Pisang Awak consists of two epidermis layers, parenchyma and vascular cylinder. In the future, morphological and anatomical character in Pisang Awak could be applied as the basis of information for breeding programs of banana cultivars and classification.

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Phenotyping bananas for drought resistance

Cited by 96 publications

References 48 publications

Gas Exchange in Different Varieties of Banana Prata in Semi-Arid Environment

Gas Exchange in Different Varieties of Banana Prata in Semi-Arid Environment

Respuesta de cultivares de Musa spp. al estrés hídrico in vitro inducido con polietilenglicol 6000

Morphology and Anatomy Characteristic of Pisang Awak (Musa paradisiaca cv. Awak) in West Kalimantan

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