Ammonium inhibited callus GDH activity.

nitrogen · molecular: metabolites · Zea mays (maize)Positive and negative results

46 papers in the same direction as this claim · 95 in the opposite direction

1. positive
   Nitrogen fertilizer increased grain Mn concentration in maize.

   Mineral Composition of the Grains of Tropical Maize Varieties as Affected by Pre‐Anthesis Drought and Rate of Nitrogen Fertilization · 2005

   Opposite direction

2. positive
   Low nitrogen increased individual crown root length by 63%.

   Novel temporal, fine‐scale and growth variation phenotypes in roots of adult‐stage maize (Zea mays L.) in response to low nitrogen stress · 2011

   Opposite direction

3. positive
   Nitrate plus zeatin rapidly increased PEPC mRNA in leaves from nitrogen deficient plants.

   Cytokinin Is Required to Induce the Nitrogen-Dependent Accumulation of mRNAs for Phosphoenolpyruvate Carboxylase and Carbonic Anhydrase in Detached Maize Leaves · 1992

   Opposite direction

4. positive
   Ammonium-fed roots incorporated inorganic carbon at five times the rate of nitrate-fed roots.

   Inorganic carbon fixation and metabolism in maize roots as affected by nitrate and ammonium nutrition · 1993 · compared with nitrate‐fed plants

   Opposite direction

5. positive
   Nitrate co-provision significantly alleviated the ammonium-associated glutamic acid decrease.

   Mineral nitrogen sources differently affect root glutamine synthetase isoforms and amino acid balance among organs in maize · 2015

   Opposite direction

6. positive
   Cell cycle activators were up regulated within 12 hours of nitrate induction.

   Cell Type-Specific Gene Expression Analyses by RNA Sequencing Reveal Local High Nitrate-Triggered Lateral Root Initiation in Shoot-Borne Roots of Maize by Modulating Auxin-Related Cell Cycle Regulation · 2015

   Opposite direction

7. positive
   Optimized N supply tended to increase grain micronutrient concentrations compared with no or lower N supply in maize.

   Zinc, Iron, Manganese and Copper Uptake Requirement in Response to Nitrogen Supply and the Increased Grain Yield of Summer Maize · 2014 · compared with no or lower N supply

   Opposite direction

8. positive
   Activities of six named enzymes increased 1- to 2.5-fold with nitrogen supply.

   Response of Enzymes and Storage Proteins of Maize Endosperm to Nitrogen Supply · 1990

   Opposite direction

133 papers more in this group