Claim · model-written summary
Nitrate and ammonium supported young sunflower growth equally at controlled pH.
- Taxon
- sunflower
Helianthus annuuse0 - Material
- Helianthus annuus L. var., Mammoth Russiane0
- Treatment
- nitrate and ammoniume0
- Outcome
- growthe0
- Direction
- equally effectivee0
- Comparator
- nitrate and ammoniume0
Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nitrate and ammonium are equally effective in supporting the growth of young soybean (Glycine max var. Bansei) and sunflower (Helianthus annuus L. var., Mammoth Russian) plans”
Title
Influence of Ammonium and Nitrate Nutrition on Enzymatic Activity in Soybean and Sunflower
Gerard S. Weissman PLANT PHYSIOLOGY 1972. doi:10.1104/pp.49.2.138
Other claims from this paper (17)
- Intervention effect Nitrate and ammonium supported young soybean growth equally at controlled pH.
- Observation Soybean had active nitrate reductase in roots and leaves.
- Mechanism Low nitrate reductase activity in sunflower leaves indicated dependence on roots for nitrate reduction.
- Association Leaf nitrate reductase activity tracked nitrate reductase distribution in nitrate-supplied soybean.
- Association Leaf nitrate reductase activity tracked nitrate reductase distribution in nitrate-supplied sunflower.
- Intervention effect Root glutamic acid dehydrogenase activity was greater under ammonium than nitrate in soybean.
- Intervention effect Root glutamic acid dehydrogenase activity was greater under ammonium than nitrate in sunflower.
- Observation Root glutamic acid dehydrogenase was NADH-dependent under ammonium and active with NADH and NADPH under nitrate in soybean.
- Observation Root glutamic acid dehydrogenase was NADH-dependent under ammonium and active with NADH and NADPH under nitrate in sunflower.
- Mechanism NADPH-dependent glutamic acid dehydrogenase appeared to assimilate leaf ammonia in soybean.
- Mechanism NADPH-dependent glutamic acid dehydrogenase appeared to assimilate leaf ammonia in sunflower.
- Observation Soybean roots incorporated ammonia into amides, much of which remained there.
- Observation Sunflower roots formed fewer amides but transferred much of the amides and ammonia to shoots.
- Observation Leaf glutamine synthetase activity was 20- to 40-fold lower than root activity in soybean.
- Observation Leaf glutamine synthetase activity was 20- to 40-fold lower than root activity in sunflower.
- Association Glucose-6-phosphate dehydrogenase activity correlated with root nitrate reduction but not leaf nitrate reduction in soybean.
- Association Glucose-6-phosphate dehydrogenase activity correlated with root nitrate reduction but not leaf nitrate reduction in sunflower.