Abstract
Soybean is a very important grain and oil crop,and the protein content is one of main indicators of soybean quality,so study the dynamic accumulation of protein content in soybean seeds is important for quality improvement.This experiment chose twelve popular soybean varieties in Heilongjiang province,including four high-protein,four high-oil and four general varieties,as material,and the dynamic accumulation of protein content among different soybean seeds was investigated.The results showed that the accumulation dynamics of seed protein varied with varieties,the high-protein variety showed a double-peak curve trend,and the peak value appeared 14 days and 28 days after seed filling;the high-oil variety and general variety showed a single-peak curve,and the peak appeared 28 days after seed filling for high-oil variety.The average protein content of different soybean varieties changed obviously in former period of seeds formation,and remain stable in later period.During the later seed formation,high-protein variety had the highest protein content,while high-oil variety had the lowest protein content.The final protein content of different soybean was mainly determined by middle or later period of the seeds formation,Suggesting that we should pay more attention to cultivation practice in later soybean growing stage.
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Claims 9
Claim · model-written summary
High-protein varieties showed two seed protein peaks at 14 and 28 days after seed filling.
- Taxon
- Soybean
Glycine maxt0 - Material
- high-protein varietye0
- Outcome
- double-peak curve trende0
- Value
- 14 days and 28 days after seed fillinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the high-protein variety showed a double-peak curve trend,and the peak value appeared 14 days and 28 days after seed filling”
t0“Soybeans”
Claim · model-written summary
High-oil varieties showed a single seed protein peak at 28 days after filling.
- Taxon
- Soybean
Glycine maxt0 - Material
- high-oil varietye0
- Outcome
- single-peak curvee0
- Value
- 28 days after seed fillinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the high-oil variety and general variety showed a single-peak curve,and the peak appeared 28 days after seed filling for high-oil variety”
t0“Soybeans”
Claim · model-written summary
General varieties showed a single-peak seed protein curve.
- Taxon
- Soybean
Glycine maxt0 - Material
- general varietye0
- Outcome
- single-peak curvee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the high-oil variety and general variety showed a single-peak curve”
t0“Soybeans”
Claim · model-written summary
Average soybean seed protein content changed early in seed formation.
- Taxon
- soybean
Glycine maxe0 - Organ / stage
- former period of seeds formatione0
- Outcome
- average protein contente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The average protein content of different soybean varieties changed obviously in former period of seeds formation”
Claim · model-written summary
Average seed protein content remained stable later in seed formation.
- Taxon
- soybean
Glycine maxt0 - Organ / stage
- later periode0
- Outcome
- remain stablee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“remain stable in later period”
t0“Soybeans”
Claim · model-written summary
High-protein varieties had the highest late-stage seed protein content.
- Taxon
- Soybean
Glycine maxt0 - Material
- high-protein varietye0
- Outcome
- protein contente0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“During the later seed formation,high-protein variety had the highest protein content”
t0“Soybeans”
Claim · model-written summary
High-oil varieties had the lowest late-stage seed protein content.
- Taxon
- Soybean
Glycine maxt0 - Material
- high-oil varietye0
- Outcome
- protein contente0
- Direction
- loweste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“while high-oil variety had the lowest protein content”
t0“Soybeans”
Claim · model-written summary
Final soybean protein content was mainly determined during middle or late seed formation.
- Taxon
- soybean
Glycine maxe0 - Organ / stage
- middle or later period of the seeds formatione0
- Outcome
- final protein contente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The final protein content of different soybean was mainly determined by middle or later period of the seeds formation”
Claim · model-written summary
The authors recommend attention to cultivation during late soybean growth.
- Taxon
- soybean
Glycine maxe0 - Outcome
- cultivation practice in later soybean growing stagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“we should pay more attention to cultivation practice in later soybean growing stage”