Nutrient‐Nitrate Levels and the Accumulation of Chloride in Leaves of Snap Beans and Roots of Soybeans<sup>1</sup>

Weigel, Russell C.; Schillinger, J. A.; McCaw, B. A.; Gauch, Hugh G.; Hsiao, E.

doi:10.2135/cropsci1973.0011183x001300040005x

Cited by 11 publications

(7 citation statements)

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“…It is probably a response to competition between ions of equal charge. Similar results for other crops have been found by DeWit et al (1963), Hiatt and Leggett (197t), and Weigel et al (1973).…”

Section: Discussionsupporting

confidence: 89%

Chloride interaction with nitrate and phosphate nutrition in tomato (Lycopersicon esculentumL.)

Kafkafi

Valoras

Letey

1982

Journal of Plant Nutrition

137

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Section: Discussionsupporting

confidence: 89%

Chloride interaction with nitrate and phosphate nutrition in tomato (Lycopersicon esculentumL.)

Kafkafi

Valoras

Letey

1982

Journal of Plant Nutrition

137

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“…Similar effects of nitrate on the accumulation of chloride ions have been noted with other plant species (Hiatt & Leggatt, 1971 ;Cram, 1973;Weigel et al, 1973). In barley {Hordeum vulgaris L.) regulation of chloride influx appears to involve both negative feedback from the combined concentrations of nitrate and chloride in the vacuole and from external nitrate inhibiting chloride influx at the plasmalemma (Glass & Siddiqi, 1985).…”

Section: T S C U S S T O Nsupporting

confidence: 61%

Influence of light and form of nitrogen on chlorine requirement of kiwifruit

et al. 1988

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SUMMARYThe extent to which light, potassium, and form of nitrogen (ammonium and nitrate-nitrogen) modified the requirement by kiwifruit (Actinidia deliciosa var. dcliciosa) for chlorine was examined in solution culture. A greater concentration of chloride was required in the nutrient solution for maximum growth under low irradiance than under high irradiance. In the absence of chloride, growth was severely restricted and the response to potassium was significantly reduced, especially under low light.Greater concentrations of chloride accumulated in the leaves of plants grown under high irradiance than under low irradiance. Increasing the concentration of nitrate in tbe leaves either by growing the plants under low light or by increasing the quantity of nitrate in the nutrient solution, substantially reduced tbe accumulation of chloride. The decrease in the concentration of chloride was accompanied by an increase in the concentration of nitrate. Thus the combined concentration of nitrate and chloride was relatively constant over a wide range of treatments suggesting that a negative feedback mecbanism may be operating in this species. However, while nitrate was preferentially accumulated by kiwifruit plants it could not substitute fully for chloride. Once the concentration of chloride in the leaves was decreased below 70//mol g ' d. wt by competing nitrate ions, growth was substantially reduced. It is concluded that the effect of light on the chloride status of kiwifruit plants can largely be explained in terms of the strong competitive effect from nitrate ions, witb greater concentrations of nitrate accumulating in rhe leaves under low irradiance than under high irradiance.Tbe negative effect of potassium on the chloride status of the plants is not considered to be a specific physiological effect but rather the consequence of chloride, along with other non-limiting nutrients, accumulating in the tissues of the severely potassium deficient plants.The ecological implications of the results are discussed in relation to features of the habitat in China where kiwifruit vines have evolved. The results of tbe present study are entirely consistent with this species having evolved in an environment where tbe availability of cbloride and ammonium is relatively high while that of nitrate is severely restricted. It is concluded that the high concentration of chloride required in the tissues of kiwifruit vines is an adaptation which minimizes the expenditure of energy on the generation of osmotic pressure in the tissues rather than specifically maintaining charge balance.

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“…The basis for the extremely high Clconcentration in the tissue of NH 4 + -fertilized plants has not been adequately explained. However, in the absence of NO 3 -, which is a counterion for NH 4 + (Jeong and Lee, unpublished) and is known to suppress Cluptake (Glass and Siddiqi, 1985;Grazyna et al, 1988;Kafkafi et al, 1982;Smith and Fox, 1977;Weigel et al, 1973), Cllikely acts as a major companion ion for NH 4 + uptake (Jeong and Lee, unpublished data). For salvia, continued application of treatment solution until harvest, even after the death of plants, might have contributed somewhat to the extremely high tissue Clcontents.…”

Section: Resultsmentioning

confidence: 99%

Growth Suppression and Raised Tissue Cl- Contents in NH4+-fed Marigold, Petunia, and Salvia

Jeong¹,

Lee²

1992

jashs

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Ageratum houstanianum Mill. (tolerant), Tagetes patula L. (French marigold, very sensitive), Petunia hybrida Vilm. (sensitive), and Salvia splendens F. Sellow et. Roem & Schult. (very sensitive) were grown with NO3-, NH4+NO3-, or NH4+ as the N source to examine whether NH4+-related growth suppression (NH4+-RGS) in the NH, -sensitive species was associated with excessive Cl- absorption from the nutrient solution. Amounts of Cl- applied were 4 or 11 meq·liter-1 (Expt. 1) and 0 or 4 meq·liter-1 (Expt. 2). When fertilized with NH4+ as a sole N source, marigold, petunia, and salvia showed NH4+-RGS symptoms with yield reduction regardless of altered Cl- levels in the nutrient solution, while ageratum showed no such symptoms. When grown with NH4+ solution, these sensitive plants had shoot fresh and dry weight reductions of ≈ 50% compared to those grown with the NH4+ + NO3- solution. Plants fertilized with NH4+ showed more severe NH4+-RGS symptoms when grown in rockwool (RW) than in peat-lite mix (PL). The NH4+-grown plants contained more NH4+ and much more Cl- in the tissue than plants fertilized with NO3- or NH4+ + NO3-, irrespective of the Cl- level in the nutrient solution. However; NH4+-RGS symptoms in marigold, petunia, and salvia appear to be caused by the uptake of NH4+, but not in association with Cl- from the nutrient solution.

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Nutrient‐Nitrate Levels and the Accumulation of Chloride in Leaves of Snap Beans and Roots of Soybeans¹

Cited by 11 publications

References 0 publications

Chloride interaction with nitrate and phosphate nutrition in tomato (Lycopersicon esculentumL.)

Chloride interaction with nitrate and phosphate nutrition in tomato (Lycopersicon esculentumL.)

Influence of light and form of nitrogen on chlorine requirement of kiwifruit

Growth Suppression and Raised Tissue Cl- Contents in NH4+-fed Marigold, Petunia, and Salvia

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Nutrient‐Nitrate Levels and the Accumulation of Chloride in Leaves of Snap Beans and Roots of Soybeans1

Cited by 11 publications

References 0 publications

Chloride interaction with nitrate and phosphate nutrition in tomato (Lycopersicon esculentumL.)

Chloride interaction with nitrate and phosphate nutrition in tomato (Lycopersicon esculentumL.)

Influence of light and form of nitrogen on chlorine requirement of kiwifruit

Growth Suppression and Raised Tissue Cl- Contents in NH4+-fed Marigold, Petunia, and Salvia

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Nutrient‐Nitrate Levels and the Accumulation of Chloride in Leaves of Snap Beans and Roots of Soybeans¹