Abstract
[Objective] The paper was to study the seed vigor under different seed production densities. [Method] Taking Zheng 58 and Ph6 wc,two maize inbred lines of grain seed as the test material,setting seven seed production densities,seed vigor under different seed production densities were studied. [Result] The result showed,with increasing of density,two maize inbred lines of grain seed bud length,seed fresh weight,vigor indexes,ADH,CAT and Zheng 58 germination energy,Ph6 wc Root length,seed dry weight,germination indexes,all showed a trend of decrease after the first increase,electrical conductivities all showed a trend of decrease. The average germination,Zheng 58 each treatment had no significant difference,Ph6 wc deal with minimum 135 000 plants / hm2. [Conclusion]It was preliminary thought that two maize inbred lines at 135 000 plants / hm2 the seed vigor were better.
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Claims 7
Claim · model-written summary
With increasing seed production density, bud length, seed fresh weight and vigor indexes of the two maize inbred lines first increased and then decreased.
- Treatment
- increasing of densitye1
- Outcome
- bud length,seed fresh weight,vigor indexese0
- Direction
- decrease after the first increasee2
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Maize”
e0“bud length,seed fresh weight,vigor indexes”
e1“with increasing of density”
e2“all showed a trend of decrease after the first increase”
Claim · model-written summary
With increasing seed production density, ADH and CAT activities of the two maize inbred lines first increased and then decreased.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Maize”
e0“ADH,CAT”
e1“with increasing of density”
e2“all showed a trend of decrease after the first increase”
Claim · model-written summary
With increasing seed production density, germination energy of Zheng 58 first increased and then decreased.
- Material
- Zheng 58e0
- Treatment
- increasing of densitye1
- Outcome
- germination energye0
- Direction
- decrease after the first increasee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Maize”
e0“Zheng 58 germination energy”
e1“with increasing of density”
e2“all showed a trend of decrease after the first increase”
Claim · model-written summary
With increasing seed production density, root length, seed dry weight and germination indexes of Ph6 wc first increased and then decreased.
- Material
- Ph6 wce0
- Treatment
- increasing of densitye1
- Outcome
- Root length,seed dry weight,germination indexese0
- Direction
- decrease after the first increasee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Maize”
e0“Ph6 wc Root length,seed dry weight,germination indexes”
e1“with increasing of density”
e2“all showed a trend of decrease after the first increase”
Claim · model-written summary
With increasing seed production density, electrical conductivities of the two maize inbred lines decreased.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Maize”
e0“electrical conductivities all showed a trend of decrease”
e1“with increasing of density”
Claim · model-written summary
Average germination of Zheng 58 did not differ significantly among the density treatments.
- Material
- Zheng 58e0
- Treatment
- each treatmente0
- Outcome
- average germinatione0
- Direction
- no significant differencee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Maize”
e0“The average germination,Zheng 58 each treatment had no significant difference”
Claim · model-written summary
The authors tentatively conclude that seed vigor of the two maize inbred lines was better at 135 000 plants/hm2.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Maize”
e0“two maize inbred lines at 135 000 plants / hm2 the seed vigor were better”