William A. Jackson

Works (7)

Updated: July 5th, 2023 16:03

1998 journal article

Source and magnitude of ammonium generation in maize roots

PLANT PHYSIOLOGY, 118(3), 835–841.

By: J. Feng  n, R. Volk n & W. Jackson n

TL;DR: Observations reveal that catabolism of soluble organic N, not protein N, is the primary source of endogenous NH4+ generation in maize roots, and 14NH4+ efflux continues throughout the 3-d period. (via Semantic Scholar)
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1995 journal article

ATTRIBUTES OF THE NITROGEN UPTAKE SYSTEMS OF MAIZE (ZEA-MAYS L) - MAXIMAL SUPPRESSION BY EXPOSURE TO BOTH NITRATE AND AMMONIUM

NEW PHYTOLOGIST, 130(3), 327–335.

By: W. Jackson n & R. Volk n

author keywords: AMMONIUM UPTAKE; NITROGEN SUPPRESSION; NITRATE UPTAKE; ZEA MAYS L
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1993 journal article

ENDOGENOUS AMMONIUM GENERATION IN MAIZE ROOTS AND ITS RELATIONSHIP TO OTHER AMMONIUM FLUXES

JOURNAL OF EXPERIMENTAL BOTANY, 44(261), 731–739.

By: W. Jackson n, S. Chaillou*, J. Morotgaudry* & R. Volk n

author keywords: AMMONIUM GENERATION; UPTAKE; ASSIMILATION
TL;DR: The various ammonium flux rates were not greatly affected by growth at pH 4 0, implying a considerable resistance of ammonium assimilation processes in these maize roots to the high ambient acidity commonly induced by exposure to ammonium. (via Semantic Scholar)
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1976 journal article

NITRATE UPTAKE DURING RECOVERY FROM NITROGEN DEFICIENCY

PHYSIOLOGIA PLANTARUM, 36(2), 174–181.

By: W. Jackson n, K. Kwik n & R. Volk n

TL;DR: It is concluded that carbohydrate translocation to the root system was insufficient during the intermediate recovery period for optimal nitrate uptake, although it was sufficient for effective reduction and translocation of nitrate and reduced nitrogen. (via Semantic Scholar)
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1974 journal article

NITRITE UPTAKE BY NITROGEN-DEPLETED WHEAT SEEDLINGS

PHYSIOLOGIA PLANTARUM, 32(1), 37–42.

By: W. Jackson n, R. Johnson n & R. Volk n

TL;DR: The data indicate an involvement of protein synthesis and a requirement for movement of a substance from shoots to roots for maximal development of the accelerated nitrite uptake phase and a need for protein synthesis in the transport of soluble organic nitrogen from roots to shoots is suggested. (via Semantic Scholar)
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1974 journal article

NITRITE UPTAKE PATTERNS IN WHEAT SEEDLINGS AS INFLUENCED BY NITRATE AND AMMONIUM

PHYSIOLOGIA PLANTARUM, 32(2), 108–114.

By: W. Jackson n, R. Johnson  n & R. Volk n

TL;DR: Nitrite and nitrate uptake by wheat from 0.5 mM potassium solutions both showed an apparent induction pattern characterized by a slow initial rate followed by an accelerated rate, and the accelerated phase was more rapid for nitrite uptake, was initiated earlier and was seriously restricted by the presence of equimolar nitrite. (via Semantic Scholar)
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1973 journal article

NITRATE UPTAKE BY DARK-GROWN CORN SEEDLINGS - SOME CHARACTERISTICS OF APPARENT INDUCTION

PLANT PHYSIOLOGY, 51(1), 120–127.

By: W. Jackson n, D. Flesher & R. Hageman

TL;DR: The data suggest that development of the maximal accelerated rate of nitrate uptake depended upon continuous protein synthesis, and the hypothesis that synthesis of a specific nitrate transport protein must occur is advanced. (via Semantic Scholar)
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