Factors Affecting Absorption of Foliar‐Applied Manganese by Soybean Plants<sup>1</sup>

Mederski, H. J.; Hoff, D. J.

doi:10.2134/agronj1958.00021962005000040001x

Cited by 20 publications

(11 citation statements)

References 4 publications

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“…Barrier and Loomis (2) reported a temperature effect on the absorption of 2,4-D by soybean seedlings, but no effect upon the absorption of P32. Increased rates of absorption with increasing temperature have been reported for Co60 (9) and manganese (18).…”

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confidence: 98%

Effects of Temperature and Humidity on Foliar Absorption and Translocation of 2,4-Dichlorophenoxyacetic Acid and Benzoic Acid

Pallas

1960

Plant Physiol.

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Little is known concerning the effect of humidity on the absorption of foliarly applied materials or their subsequent translocation. It is generally believed that the higher the humidity at any one temperature, the larger the amount of a foliarly applied material that penetrates the leaf per unit time. Most of the evidence for such an effect has been obtained indirectly. Koontz and Biddulph (16) found that the amount of phosphorus translocated from a given compound seemed to be related to the drying time of the solution on the leaf. By adding glycerine to the treatment solution, the translocation of P32 from an application of KH,PO4 solution was increased. Other workers have reported increased penetration of foliarly applied materials by additives which increase moisture retention. The recent review by Currier and Dybing (7) covers this work. It has been suggested that thin aqueous films on the leaf surface are important in promoting the absorption of nutrient sprays, the existence of the film depends upon the vapor pressure gradient at the leaf surface (4).In general, increasing temperature, within physiological limits, has been found to result in increased penetration. Rice (19) using red kidney bean plants studied the absorption of the ammonium salt of 2,4-D. He found that the amount absorbed was positively correlated with temperature over a three-level range of 46 to 580 F, 79 to 820 F and 86 to 920 F. Other workers using soybeans as the test plant found that with increasing temperature, there was an increase in the absorption of the sodium salt of 2,4-D (5,10). Barrier and Loomis (2) reported a temperature effect on the absorption of 2,4-D by soybean seedlings, but no effect upon the absorption of P32. Increased rates of absorption with increasing temperature have been reported for Co60 (9) temperature or humidity gave an increase in absorption of the maleic hydrazide. The preponderance of evidence to date indicates a maximum in translocation over the range of 20 to 300 C. At temperatures below and above this range translocation is reduced (2, 12, 22). MATERIALS AND METHODSSelected seed of Phlaseolus vulgaris L. var. Red Kidney was used. Seeds were germinated at 250 C in Vermiculite saturated with distilled water. All temperatures reported are accurate within ± 10 C and relative humidities are accurate to + 3 % as measured by a hair hygrometer calibrated periodically with a hand phychrometer. Forty to 42 hours after sowing, 90 germinated seeds with radicles between 1.5 cm and 1 cm long were selected and planted in 4 inch pots containing Yolo clay loam soil fertilized with 16 ppm N and 6 ppm P on an oven dry weight basis. After subirrigation the pots were transferred to a growth chamber where they remained at 250 C until the 5th day after sowing, when the lights were turned on at 5:30 A.M. At this time the beans were in the crook stage. Subsequent growth conditions were: 1 5Y2 hours light, temperature 250 C, relative humidity 60 to 76 % and 8/2 hours dark, temperature 15°C, relative humidity 85 to 95 %. Lig...

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Effects of Temperature and Humidity on Foliar Absorption and Translocation of 2,4-Dichlorophenoxyacetic Acid and Benzoic Acid

Pallas

1960

Plant Physiol.

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“…The absorption of Mn through the cuticle and stomates of leaves, stems and petioles occurs rapidly, particularly in young foliage (54,129). Mn absorption is impeded when the solution dries on the leaf surface, but is able to proceed when low vapour pressure gradients exist between the leaf and the atmosphere (90). It is often recommended that foliar sprays be applied in the early morning or late in the afternoon when dew is forming to maximize Mn absorption.…”

Section: Spraying Conditionsmentioning

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Occurrence and Correction of Manganese Deficiency in Plants

Reuter¹,

Alston²,

McFarlane³

1988

Manganese in Soils and Plants

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“…When the cuticle is dry either from a lack of moisture in the plant or from absence of moisture on the leaf surface, the framework constricts and impedes entry (Martin, 1961;and Van Overbeek, 1956). It is well known that foliar absorption is most rapid in the presence of leaf surface moisture (Bukovac and Wittwer, 1961;Mederski and Hoff, 1958;Volk and McAuliffe, 195^;and Withee and Carlson, 1959).…”

Section: Grain Yield and Yield Componentsmentioning

confidence: 99%

Foliar fertilization of corn during the grain-filling period

Kargbo

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Factors Affecting Absorption of Foliar‐Applied Manganese by Soybean Plants¹

Cited by 20 publications

References 4 publications

Effects of Temperature and Humidity on Foliar Absorption and Translocation of 2,4-Dichlorophenoxyacetic Acid and Benzoic Acid

Effects of Temperature and Humidity on Foliar Absorption and Translocation of 2,4-Dichlorophenoxyacetic Acid and Benzoic Acid

Occurrence and Correction of Manganese Deficiency in Plants

Foliar fertilization of corn during the grain-filling period

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Factors Affecting Absorption of Foliar‐Applied Manganese by Soybean Plants1

Cited by 20 publications

References 4 publications

Effects of Temperature and Humidity on Foliar Absorption and Translocation of 2,4-Dichlorophenoxyacetic Acid and Benzoic Acid

Effects of Temperature and Humidity on Foliar Absorption and Translocation of 2,4-Dichlorophenoxyacetic Acid and Benzoic Acid

Occurrence and Correction of Manganese Deficiency in Plants

Foliar fertilization of corn during the grain-filling period

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Factors Affecting Absorption of Foliar‐Applied Manganese by Soybean Plants¹