Abstract
To study the genotypes differences of spring wheat varieties,28 spring wheat varieties were tested in irrigation and drought two treatments,and Jinmai 33 was used as control,drought resistance indexes of drought resistance coefficient and drought resistance were compared and analyzed.The results showed there existed huge genetic difference in drought resistance among spring wheat varieties and a highly significant positive correlation between indexes of drought resistance as well as yield in dry land and drought resistance coefficient(correlation coefficients were 0.93 and 0.85 respectively).This study screened two spring wheat varieties with extremely strong drought resistance of 9693 and 9738 and one varieties with strong drought resistance of 9681,accounting for 10.7% of the total tested varieties;4 varieties with medium drought resistance of 9643,9658,9725 and 9742,accounting for 14.3% of the tested varieties.The results of this study provided reference for drought-resistance breeding in spring wheat.
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Claims 5
Claim · model-written summary
Spring wheat varieties differed greatly in drought resistance.
- Taxon
- spring wheat
Triticum aestivume0 - Outcome
- drought resistancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there existed huge genetic difference in drought resistance among spring wheat varieties”
Claim · model-written summary
Drought-resistance indices correlated positively with dryland yield and drought resistance coefficient, with coefficients of 0.93 and 0.85.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- indexes of drought resistancee0
- Direction
- positive correlatione0
- Value
- 0.93 and 0.85e0
- Comparator
- yield in dry land and drought resistance coefficiente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a highly significant positive correlation between indexes of drought resistance as well as yield in dry land and drought resistance coefficient(correlation coefficients were 0.93 and 0.85 respectively)”
t0“Spring Wheat”
Claim · model-written summary
Varieties 9693 and 9738 had extremely strong drought resistance.
- Taxon
- spring wheatTriticum aestivume0
- Material
- 9693 and 9738e0
- Outcome
- extremely strong drought resistancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“two spring wheat varieties with extremely strong drought resistance of 9693 and 9738”
Claim · model-written summary
Variety 9681 had strong drought resistance.
- Taxon
- WheatTriticum aestivumt0
- Material
- 9681e0
- Outcome
- strong drought resistancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“one varieties with strong drought resistance of 9681”
t0“Spring Wheat”
Claim · model-written summary
Varieties 9643, 9658, 9725 and 9742 had medium drought resistance.
- Taxon
- WheatTriticum aestivumt0
- Material
- 9643,9658,9725 and 9742e0
- Outcome
- medium drought resistancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“4 varieties with medium drought resistance of 9643,9658,9725 and 9742”
t0“Spring Wheat”