Abstract
Field experiments were conducted to study the effects of boron(B),molybdenum(Mo) and zinc(Zn) on dry matter accumulation during seed development of double-low rapeseed(Brassica napus cv.) Huashuang 4.The results showed that dry matter transportation from pericarp to seed was baffled under low boron and zinc concentration.As a result,the seed weight decreased.Application of B,Mo and Zn mixture and B and Zn mixture prompted the dry matter transportation from pericarp to seed and the seed weight increased significantly.The weight of pericarps in main inflorescence reached the maximum in 43days after flowering while that in branches peaked in 38days after flowering.Seed weight in main inflorescence and branches peaked in 53days and 49days after flowering,respectively.Significant difference of seed weight and ratio of seed to pericarp in main inflorescence appeared in 38 days after flowering and in branches appeared in 33days after flowering among the five treatments.The highest yield was obtained when B,Mo and Zn applied together and the yield order according the nutrient combination NPKBMoZnNPKBMoNPKZnMoNPKBZnNPK.
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Claims 13
Claim · model-written summary
Low boron and zinc hindered transport of dry matter from pericarp to seed.
- Taxon
- rapeseedt0
- Treatment
- low boron and zinc concentratione0
- Outcome
- dry matter transportation from pericarp to seede0
- Direction
- bafflede0
Not reportedComparator
Verbatim
e0“dry matter transportation from pericarp to seed was baffled under low boron and zinc concentration”
t0“rapeseed”
Claim · model-written summary
Seed weight decreased under low boron and zinc.
Not reportedComparator
Verbatim
e0“The results showed that dry matter transportation from pericarp to seed was baffled under low boron and zinc concentration.As a result,the seed weight decreased”
t0“rapeseed”
Claim · model-written summary
The B, Mo and Zn mixture promoted dry matter transport from pericarp to seed.
- Taxon
- rapeseedt0
- Treatment
- B,Mo and Zn mixturee0
- Outcome
- dry matter transportation from pericarp to seede0
- Direction
- promptede0
Not reportedComparator
Verbatim
e0“Application of B,Mo and Zn mixture and B and Zn mixture prompted the dry matter transportation from pericarp to seed”
t0“rapeseed”
Claim · model-written summary
The B and Zn mixture promoted dry matter transport from pericarp to seed.
- Taxon
- rapeseedt0
- Treatment
- B and Zn mixturee0
- Outcome
- dry matter transportation from pericarp to seede0
- Direction
- promptede0
Not reportedComparator
Verbatim
e0“Application of B,Mo and Zn mixture and B and Zn mixture prompted the dry matter transportation from pericarp to seed”
t0“rapeseed”
Claim · model-written summary
The B, Mo and Zn mixture significantly increased seed weight.
Not reportedComparator
Verbatim
e0“Application of B,Mo and Zn mixture and B and Zn mixture prompted the dry matter transportation from pericarp to seed and the seed weight increased significantly”
t0“rapeseed”
Claim · model-written summary
The B and Zn mixture significantly increased seed weight.
Not reportedComparator
Verbatim
e0“Application of B,Mo and Zn mixture and B and Zn mixture prompted the dry matter transportation from pericarp to seed and the seed weight increased significantly”
t0“rapeseed”
Claim · model-written summary
Main-inflorescence pericarp weight peaked 43 days after flowering.
Verbatim
e0“The weight of pericarps in main inflorescence reached the maximum in 43days after flowering”
t0“rapeseed”
Claim · model-written summary
Branch pericarp weight peaked 38 days after flowering.
Verbatim
e0“that in branches peaked in 38days after flowering”
t0“rapeseed”
Claim · model-written summary
Seed weight in the main inflorescence peaked 53 days after flowering.
Verbatim
e0“Seed weight in main inflorescence and branches peaked in 53days and 49days after flowering,respectively”
t0“rapeseed”
Claim · model-written summary
Seed weight in branches peaked 49 days after flowering.
Verbatim
e0“Seed weight in main inflorescence and branches peaked in 53days and 49days after flowering,respectively”
t0“rapeseed”
Claim · model-written summary
Main-inflorescence seed weight and seed-to-pericarp ratio differed among treatments at 38 days after flowering.
- Taxon
- rapeseedt0
- Organ / stage
- main inflorescencee0
- Outcome
- seed weight and ratio of seed to pericarpe0
- Value
- 38 days after floweringe0
Not reportedDirection
Verbatim
e0“Significant difference of seed weight and ratio of seed to pericarp in main inflorescence appeared in 38 days after flowering”
t0“rapeseed”
Claim · model-written summary
Branch seed weight and seed-to-pericarp ratio differed among treatments at 33 days after flowering.
- Taxon
- rapeseedt0
- Organ / stage
- branchese0
- Outcome
- seed weight and ratio of seed to pericarpe1
- Value
- 33days after floweringe0
Not reportedDirection
Verbatim
e0“in branches appeared in 33days after flowering among the five treatments”
e1“seed weight and ratio of seed to pericarp”
t0“rapeseed”
Claim · model-written summary
Joint B, Mo and Zn application produced the highest yield.
Not reportedComparator
Verbatim
e0“The highest yield was obtained when B,Mo and Zn applied together”
t0“rapeseed”
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