Abstract
To evaluate the effects of on-farm seed priming treatments and planting date on emergence characteristics, yield, yield components and harvest index of corn, an experiment was conducted in Hamedan, research farm of Bu-Ali Sina University in 2010 as split plot in a randomized complete block design with three replications. Main plots included three planting dates containing early, on-time and late seeding time and subplots were representative of four on-farm seed priming treatments (priming with tap water, urea and zinc solutions and no primed). Results showed that the first planting date using zinc solution increased rate of emergence as well 30%. E mergence percent was increased in the first planting date with using zinc solution by10% and in the second and third planting dates with using urea solution by 13%. However in all planting dates priming with tap water produced maximum grain yield compared to no primed treatment. In this experiment seed priming increased the ear number per square meter and grain rows per ear. Also priming with tap water caused to increase 100 grains weight of corn meanwhile in first planting date priming with tap water and urea solution had more grain number per ear. Priming with zinc in the first planting date increased harvest index. Generally it is concluded that farmers by seed priming especially with tap water and zinc solution could plant corn earlier to increase growth season also if planting is delayed priming with tap water can compensate yield loss.
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Claims 11
Claim · model-written summary
Zinc priming at the first planting date increased emergence rate by 30%.
- Taxon
- corn
Zea mays subsp. mayst0 - Material
- S.C. 260t0
- Treatment
- zinc solutione0
- Outcome
- rate of emergencee0
- Direction
- increasede0
- Value
- 30%e0
- Qualifier
- first planting datee0
- Comparator
- no primede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the first planting date using zinc solution increased rate of emergence as well 30%.”
e1“and no primed”
t0“corn cultivar (S.C. 260)”
Claim · model-written summary
Zinc priming at the first planting date increased emergence percentage by 10%.
- Taxon
- cornZea mays subsp. mayst0
- Material
- S.C. 260t0
- Treatment
- zinc solutione0
- Outcome
- E mergence percente0
- Direction
- increasede0
- Value
- 10%e0
- Qualifier
- first planting datee0
- Comparator
- no primede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“E mergence percent was increased in the first planting date with using zinc solution by10%”
e1“and no primed”
t0“corn cultivar (S.C. 260)”
Claim · model-written summary
Urea priming at the second and third planting dates increased emergence percentage by 13%.
- Taxon
- cornZea mays subsp. mayst0
- Material
- S.C. 260t0
- Treatment
- urea solutione0
- Outcome
- E mergence percente1
- Direction
- increasede1
- Value
- 13%e0
- Qualifier
- second and third planting datese0
- Comparator
- no primede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in the second and third planting dates with using urea solution by 13%.”
e1“E mergence percent was increased”
e2“and no primed”
t0“corn cultivar (S.C. 260)”
Claim · model-written summary
Tap-water priming produced the maximum grain yield at all planting dates versus unprimed seed.
- Taxon
- cornZea mays subsp. mayst0
- Material
- S.C. 260t0
- Treatment
- priming with tap watere0
- Outcome
- grain yielde0
- Direction
- maximume0
- Qualifier
- in all planting datese0
- Comparator
- no primed treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in all planting dates priming with tap water produced maximum grain yield compared to no primed treatment.”
t0“corn cultivar (S.C. 260)”
Claim · model-written summary
Seed priming increased ears per square meter and grain rows per ear.
- Taxon
- cornZea mays subsp. mayst0
- Material
- S.C. 260t0
- Treatment
- seed priminge0
- Outcome
- ear number per square meter and grain rows per eare0
- Direction
- increasede0
- Comparator
- no primede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed priming increased the ear number per square meter and grain rows per ear.”
e1“and no primed”
t0“corn cultivar (S.C. 260)”
Claim · model-written summary
Tap-water priming increased 100-grain weight.
- Taxon
- cornZea mays subsp. mayst0
- Material
- S.C. 260t0
- Treatment
- priming with tap watere0
- Outcome
- 100 grains weighte0
- Direction
- increasee0
- Comparator
- no primede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“priming with tap water caused to increase 100 grains weight of corn”
e1“and no primed”
t0“corn cultivar (S.C. 260)”
Claim · model-written summary
Tap-water priming at the first planting date gave more grains per ear.
- Taxon
- cornZea mays subsp. mayst0
- Material
- S.C. 260t0
- Treatment
- priming with tap watere0
- Outcome
- grain number per eare0
- Direction
- moree0
- Qualifier
- first planting datee0
- Comparator
- no primede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in first planting date priming with tap water and urea solution had more grain number per ear.”
e1“and no primed”
t0“corn cultivar (S.C. 260)”
Claim · model-written summary
Urea priming at the first planting date gave more grains per ear.
- Taxon
- cornZea mays subsp. mayst0
- Material
- S.C. 260t0
- Treatment
- urea solutione0
- Outcome
- grain number per eare0
- Direction
- moree0
- Qualifier
- first planting datee0
- Comparator
- no primede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in first planting date priming with tap water and urea solution had more grain number per ear.”
e1“and no primed”
t0“corn cultivar (S.C. 260)”
Claim · model-written summary
Zinc priming at the first planting date increased harvest index.
- Taxon
- cornZea mays subsp. mayst0
- Material
- S.C. 260t0
- Treatment
- Priming with zince0
- Outcome
- harvest indexe0
- Direction
- increasede0
- Qualifier
- first planting datee0
- Comparator
- no primede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Priming with zinc in the first planting date increased harvest index.”
e1“and no primed”
t0“corn cultivar (S.C. 260)”
Claim · model-written summary
The authors suggest priming with tap water and zinc to permit earlier corn planting and a longer growing season.
- Taxon
- cornZea mays subsp. mayse0
- Outcome
- plant corn earlier to increase growth seasone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“farmers by seed priming especially with tap water and zinc solution could plant corn earlier to increase growth season”
Claim · model-written summary
The authors suggest tap-water priming can compensate for yield loss when planting is delayed.
- Taxon
- cornZea mays subsp. mayse1
- Outcome
- priming with tap water can compensate yield losse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“if planting is delayed priming with tap water can compensate yield loss.”
e1“plant corn earlier”
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