Photosynthetic and Chloroplast Ultrastructural Consequences of Manganese Deficiency in Soybean

Weiland, R. T.; Noble, Reginald D.; Crang, Richard E.

doi:10.2307/2441958

Cited by 21 publications

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“…Mn deficiency did not affect the ultrastructure of other cellular organelles, like the mitochondria and nucleus. The symptoms of Mn deficiency observed in soybeans in this study were similar to those described by Weiland et al (1975).…”

Section: Resultssupporting

confidence: 90%

“…This can also be confirmed by the morphometric assessments shown in Table 2. Under all Mn concentrations, there were no changes either in stomata length or stomata number both in the adaxial and abaxial face (Figure 2), a finding that agrees with the observations of Weiland et al (1975) and Baldisserotto et al (2004). However, under severe Mn toxicity conditions, there was high disorganization of the tissue, characterized by hidden stomata throughout the leaf area as well.…”

Section: Resultssupporting

confidence: 87%

“…However, the effect could be secondary, due to a low photosynthetic rate, which restricts the carbon supply for fatty acid synthesis. The reduction in the number of chloroplasts and the size of their inner membrane system as well as the amount of starch in Mn-deficient plants provides morphological evidence indicating a dysfunction of photosynthetic apparatus (Weiland et al, 1975;Henriques, 2003Henriques, , 2004.…”

Section: Resultsmentioning

confidence: 99%

“…The deficiency of any nutrient can unleash this series of events until the appearance of a visible symptom. Several studies, more specifically dealing with the deficiency of Mn in plants, have demonstrated the role of Mn in the maintenance of chloroplast ultrastructures (Weiland et al, 1975), since Mn deficiency resulted in a reduction in the rate of PS II electron transport (Papadakis et al, 2007a,b,c). Conversely, marked alterations in the Golgi apparatus and the …”

Section: Resultsmentioning

confidence: 99%

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Changes in the ultrastructure of soybean cultivars in response to manganese supply in solution culture

Lavres

Reis

Rossi

et al. 2010

Sci. agric. (Piracicaba, Braz.)

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The deleterious effects of Mn stress on many species have been studied, mainly concerning biochemical, physiological and growth parameters of plants. However, there are few studies relating the anatomical and ultrastructural changes in response to manganese (Mn) nutritional disorders, This study examined the leaf ultrastructure of Mn-inefficient (IAC-15, Santa Rosa) and Mn-efficient (IAC-Foscarin 31) soybean (Glycine max L.) genotypes in response to three rates of Mn (0.5, 2 and 200 μmol L -1 ) in the nutrient solution. Symptoms of Mn deficiency developed 12 days after transplanting in IAC-15 and Santa Rosa, followed by IAC-Foscarin 31 on the 15 th day. Only IAC-15 and Santa Rosa leaves showed symptoms of Mn toxicity. The Mn concentration in leaves ranged from 8.6 (deficiency) to 886.3 mg kg -1 d.w. (toxicity). There were no changes either in stomata length or stomata number per unit of leaf surface. Cytoplasm disorganization was observed in IAC-15 under Mn-excess. In this case, the cytoplasm was amorphous, densely stained and extensively disorganized, with increased vacuolation. Mn effects were not found in mitochondria and nucleus in any of the genotypes tested. Under all Mn concentrations, many lipid globules were observed in the IAC-15 chloroplasts. There was an increase in the number of plastids as well as in the size of starch grains within IAC-Foscarin 31 chloroplasts as Mn concentration in the nutrient solution increased. Genotypes had marked differences in the ultrastructure organization, mainly in leaf chloroplasts grown under conditions of both Mn deficiency and toxicity (the most sensitive genotype was IAC-15).

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Section: Resultssupporting

confidence: 90%

Section: Resultssupporting

confidence: 87%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

See 2 more Smart Citations

Changes in the ultrastructure of soybean cultivars in response to manganese supply in solution culture

Lavres

Reis

Rossi

et al. 2010

Sci. agric. (Piracicaba, Braz.)

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“…Tanto el AFE como la RAF fueron estadísticamente similares al testigo (P≤0,05), lo que indica una respuesta parecida de acumulación de MS en hojas y producción neta de biomasa con relación al área foliar, que cuando hay suficiencia del elemento. La reducción del AF bajo carencia de Mn es acorde con lo reportado en soya por Weiland et al (1975).…”

Section: Manganesounclassified

Biomasa, parámetros foliares y sintomatología en respuesta a diferentes niveles de manganeso, zinc y boro en curuba (Passiflora tripartita var. mollissima)

Lizarazo

Hernández²,

Fischer³

et al. 2013

Rev. Colomb. Cienc. Hortic.

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RESUMENPara conocer el efecto del manganeso (Mn), zinc (Zn) y boro (B) sobre la distribución de masa seca (MS), crecimiento foliar y expresión de síntomas de deficiencia nutricional en curuba, se evaluaron tres niveles de fertilización: carencia (0), bajo (1) y elevado (2) para cada elemento, comparados con una fertilización completa (testigo), dispuestos en un diseño de bloques completamente al azar. Las plantas de curuba fueron trasplantadas en materas plásticas, con un sustrato de arena cuarcítica, realizando un riego y dos fertirriegos cada semana. Las variables evaluadas fueron masa seca total (MS), porcentaje de distribución de masa seca, área foliar (AF), número de hojas (NDH), área foliar específica (AFE) y relación de área foliar (RAF), además se realizó un registro fotográfico para reconocer la sintomatología de las deficiencias en hojas. Se encontró que en los diferentes niveles de cada elemento hubo restricción en la MS, siendo el nivel de carencia el más limitante. La distribución de masa seca demostró un aumento entre 1-14% de acumulación en raíz para todos los tratamientos en comparación con el testigo. El NDH y AF fueron bastante limitados en el nivel de carencia de cada elemento, y en menor proporción los niveles 1 y 2. El AFE en todos los tratamientos exceptuando Mn0 y B0 fue mayor respecto al testigo. En la RAF todos los tratamientos, exceptuando Mn2 y Zn0, fueron similares al testigo. Signos visuales de deficiencia nutricional en hojas, sólo se observaron en los tratamientos Mn0, Zn0 y B0, evidenciado la sintomatología clásica para cada elemento, acorde a lo reportado en otras especies del mismo género.Biomasa, parámetros foliares y sintomatología en respuesta a diferentes niveles de manganeso, zinc y boro en curuba (Passiflora tripartita var. mollissima) Biomass, foliar parameters and symptomatology in response to different levels of manganese, zinc and boron in the banana passion fruit (Passiflora tripartita var. mollissima)

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Mineral Metabolism: Function of Mineral Elements

Läuchli

1977

Progress in Botany / Fortschritte Der Botanik

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Photosynthetic and Chloroplast Ultrastructural Consequences of Manganese Deficiency in Soybean

Cited by 21 publications

References 0 publications

Changes in the ultrastructure of soybean cultivars in response to manganese supply in solution culture

Changes in the ultrastructure of soybean cultivars in response to manganese supply in solution culture

Biomasa, parámetros foliares y sintomatología en respuesta a diferentes niveles de manganeso, zinc y boro en curuba (Passiflora tripartita var. mollissima)

Mineral Metabolism: Function of Mineral Elements

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