Salt Tolerance of Muskmelons as Affected by Various Salinities in Nutrient Solution Culture

In the three experiments reported, the selenium content of pastures was shown to be substantially affected by applications of sulphate fertilizer. Where pasture yields responded to sulphur topdressing, selenium levels in the legumes present were reduced by as much as 50 per cent due largely to yield dilution effects. On a second site, where pasture responses to sulphur were not obtained, selenium levels were also depressed, in this case indicating the existence of an antagonism between sulphur and selenium. A subsequent nutrient solution culture experiment indicated that an antagonism existed between sulphate and both selenate and selenite forms, with the effects being much stronger in the case of the selenate. The implications in animal production of the effects of applied sulphur on pasture selenium levels and of the associated increases in pasture sulphur levels are discussed.

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Influence of mineral nutrition on denitrification on plants in nutrient solution culture

Zeitschrift für Pflanzenernährung und Bodenkunde ◽

10.1002/jpln.19831460207 ◽

1983 ◽

Vol 146 (2) ◽

pp. 180-187 ◽

Cited By ~ 8

Author(s):

W. Von Rheinhaben ◽

G. Trolldenier

Keyword(s):

Nutrient Solution ◽

Mineral Nutrition ◽

Solution Culture ◽

Nutrient Solution Culture

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Effect of NaCl on the Growth of Whole Plants and Their Corresponding Callus Cultures

Functional Plant Biology ◽

10.1071/pp9810267 ◽

1981 ◽

Vol 8 (3) ◽

pp. 267 ◽

Cited By ~ 45

Author(s):

MK Smith ◽

JA Mccomb

Keyword(s):

Salt Tolerance ◽

Callus Cultures ◽

Solution Culture ◽

Cellular Level ◽

Plant Responses ◽

Salt Glands ◽

Salt Level ◽

Whole Plant ◽

Nutrient Solution Culture ◽

Whole Plants

The effect of NaCl on growth was examined for whole plants and callus cultures of a salt-sensitive glycophyte (Phaseolus vulgaris L.), a salt-tolerant glycophyte (Beta vulgaris L.) and two halophytes (Atriplex undulata D. Dietr., which has salt glands, and Suaeda australis (R. Br.) Moq., a succulent). Whole plants were grown in nutrient solution culture at NaCl concentrations of 0.1-250 mM. Callus cultures were initiated from the same seed stock, and similar saline regimes were imposed. Whole plant responses were characteristic for the various types of plants: P. vulgaris showed a decrease in growth with increasing salinity; B. vulgaris showed a slight increase in growth at the intermediate salt level and a decrease at higher levels; A. undulata and S. australis showed well defined growth optima at 62.5 mM and 125 mM NaCl, respectively. Callus cultures of P. vulgaris and the two halophytes grew very poorly when salinity was increased. Callus of B. vulgaris showed the same tolerance to salt as did the whole plants. Thus salt tolerance of the halophytes depends on the anatomical and physiological complexity of the intact plant while callus from B. vulgaris appears to have a mechanism(s) of salt tolerance which operates at the cellular level.

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