Abstract
ABSTRACT A pot experiment with winter wheat was conducted on a yellow- brown acid soil collected from Xinzhou, Hubei Province, China. The free- and protein-amino acid concentrations in leaves of control and molybdenum (Mo)-treated winter wheat were determined at tillering, elongation, and the ear sprouting stages. Under low nitrogen (N) conditions, the free amino acid, free alanine, and glycine concentrations in winter wheat leaves at tillering and elongation stage were increased by Mo application, suggesting that N metabolism during the vegetative growth period of winter wheat was improved by Mo application. However, the free amino acid concentration of Mo-treated plants was reduced significantly at the ear sprouting stage, indicating that the Mo treated wheat was retarded by earlier N deficiency. Under high N conditions, the total free amino acid concentration of winter wheat leaves was increased at tillering, but was decreased considerably at the ear sprouting stage by applying Mo. Thus, Mo fertilizer accelerated the amino acid synthesis of winter wheat at tillering, while the N metabolism of Mo deficient wheat at the generative stage was extremely vigorous. The free glutamic acid concentration was decreased, and the free alanine, glycine, and aspartic acid concentrations were increased by Mo application, at the high N application rate. High free glutamic acid and serine concentrations in wheat were induced by Mo deficiency. Thus the transformation of glutamic acid might be handicapped under Mo deficient conditions. The sulphur-containing amino acids and the concentrations of phenylalanine, tyrosine were all increased at the elongation stage while Mo was utilized.
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Claims 8
Claim · model-written summary
Under low nitrogen, molybdenum increased free amino acid, alanine and glycine concentrations in wheat leaves at tillering and elongation.
- Taxon
- winter wheat
Triticum aestivume0 - Organ / stage
- leaves at tillering and elongation stagee0
- Treatment
- Mo applicatione0
- Outcome
- free amino acid, free alanine, and glycine concentrationse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under low nitrogen (N) conditions, the free amino acid, free alanine, and glycine concentrations in winter wheat leaves at tillering and elongation stage were increased by Mo application”
Claim · model-written summary
Under low nitrogen, molybdenum significantly reduced free amino acid concentration at ear sprouting.
- Taxon
- winter wheatTriticum aestivume1
- Organ / stage
- ear sprouting stagee0
- Treatment
- Mo-treatede0
- Outcome
- free amino acid concentratione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the free amino acid concentration of Mo-treated plants was reduced significantly at the ear sprouting stage”
e1“A pot experiment with winter wheat”
Claim · model-written summary
Under high nitrogen, molybdenum increased total free amino acid concentration at tillering.
- Taxon
- winter wheatTriticum aestivume0
- Organ / stage
- leavese0
- Treatment
- applying Moe0
- Outcome
- total free amino acid concentratione0
- Direction
- increasede0
- Qualifier
- at tilleringe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under high N conditions, the total free amino acid concentration of winter wheat leaves was increased at tillering, but was decreased considerably at the ear sprouting stage by applying Mo.”
Claim · model-written summary
Under high nitrogen, molybdenum decreased total free amino acid concentration at ear sprouting.
- Taxon
- winter wheatTriticum aestivume0
- Organ / stage
- leavese0
- Treatment
- applying Moe0
- Outcome
- total free amino acid concentratione0
- Direction
- decreasede0
- Qualifier
- at the ear sprouting stagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under high N conditions, the total free amino acid concentration of winter wheat leaves was increased at tillering, but was decreased considerably at the ear sprouting stage by applying Mo.”
Claim · model-written summary
At high nitrogen, molybdenum decreased free glutamic acid concentration.
- Taxon
- winter wheatTriticum aestivume1
- Treatment
- Mo applicatione0
- Outcome
- free glutamic acid concentratione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The free glutamic acid concentration was decreased, and the free alanine, glycine, and aspartic acid concentrations were increased by Mo application, at the high N application rate.”
e1“A pot experiment with winter wheat”
Claim · model-written summary
At high nitrogen, molybdenum increased free alanine, glycine and aspartic acid concentrations.
- Taxon
- winter wheatTriticum aestivume1
- Treatment
- Mo applicatione0
- Outcome
- free alanine, glycine, and aspartic acid concentrationse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The free glutamic acid concentration was decreased, and the free alanine, glycine, and aspartic acid concentrations were increased by Mo application, at the high N application rate.”
e1“A pot experiment with winter wheat”
Claim · model-written summary
Molybdenum deficiency induced high free glutamic acid and serine concentrations in wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Mo deficiencye0
- Outcome
- free glutamic acid and serine concentrationse0
- Direction
- Highe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High free glutamic acid and serine concentrations in wheat were induced by Mo deficiency.”
Claim · model-written summary
Sulphur-containing amino acids, phenylalanine and tyrosine concentrations increased at elongation with molybdenum.
- Taxon
- winter wheatTriticum aestivume1
- Organ / stage
- elongation stagee0
- Treatment
- Moe0
- Outcome
- sulphur-containing amino acids and the concentrations of phenylalanine, tyrosinee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The sulphur-containing amino acids and the concentrations of phenylalanine, tyrosine were all increased at the elongation stage while Mo was utilized.”
e1“A pot experiment with winter wheat”
The same questions in other papers
molybdenum atom · molecular: metabolites · Triticum aestivum (wheat)Positive and negative results
9 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
8 papers more in this group
See all 12 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.