Abstract
Gao, J. R., H. G. WanG, X. F. Li, Y. G.. Bao and D. S. FenG, 2014. Factors influencing seedling emergence from immature embryos of winter wheat and the transplantation in summer field. Bulg. J. Agric. Sci., 20: 1102-1108 In order to complete 4-5 generations development of winter wheat per year via taking timely use of summer field and green house, the study was performed to investigate the influencing factors on the seedlings mergence from immature embryos of winter wheat and their transplanting survival rate in summer field. The immature embryos of Jimai 20, Yanyou 361, Tainong 18, Zhongyou 9507 and F 1 (Jimai20×Yanyou361) at 11-13, 14-16 and 17-19d of embryonic age were cultured in three different media with or without hormones. The seedling emergence rates were compared and the seedlings were directly transplanted to summer field after vernalization for 15, 20 and 25d, respectively. The results showed that the appropriate time for vernalization of seedlings was 20-25d; Among the nine inoculation tests, higher germination rate (95.80% on average) and transplanting survival rate of seedling (86.95% on average) were obtained from the 14-16d immature embryos cultured in the media without hormones, and the seedling emergence rate was the highest (82.95% on average). When seedlings were transplanted to the groove in summer field, we found the transplanting survival rate was greatly improved by covering the roots of seedlings with a small amount of detritus substrates and burying in soil. In summary, we have identified and optimized critical factors that influence the seedling emergence from immature embryos of winter wheat and their transplanting survival rate in summer field.
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Claims 5
Claim · model-written summary
Vernalization for 20-25 days was appropriate for winter wheat seedlings.
- Taxon
- winter wheat
Triticum aestivumt0 - Outcome
- appropriate time for vernalization of seedlingse0
- Value
- 20-25de0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the appropriate time for vernalization of seedlings was 20-25d”
t0“winter wheat”
Claim · model-written summary
Embryos aged 14-16 days cultured without hormones had a higher germination rate averaging 95.80%.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- 14-16d immature embryos cultured in the media without hormonese0
- Outcome
- germination ratee0
- Direction
- highere0
- Value
- 95.80% on averagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher germination rate (95.80% on average) and transplanting survival rate of seedling (86.95% on average) were obtained from the 14-16d immature embryos cultured in the media without hormones”
t0“winter wheat”
Claim · model-written summary
Embryos aged 14-16 days cultured without hormones had transplant survival averaging 86.95%.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- 14-16d immature embryos cultured in the media without hormonese0
- Outcome
- transplanting survival rate of seedlinge0
- Direction
- highere0
- Value
- 86.95% on averagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher germination rate (95.80% on average) and transplanting survival rate of seedling (86.95% on average) were obtained from the 14-16d immature embryos cultured in the media without hormones”
t0“winter wheat”
Claim · model-written summary
Seedling emergence was highest at an average 82.95% under the reported embryo culture condition.
- Taxon
- winter wheatTriticum aestivumt0
- Outcome
- seedling emergence ratee0
- Direction
- higheste0
- Value
- 82.95% on averagee0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the seedling emergence rate was the highest (82.95% on average)”
t0“winter wheat”
Claim · model-written summary
Covering seedling roots with detritus and burying them in soil greatly improved transplant survival in the summer field.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- covering the roots of seedlings with a small amount of detritus substrates and burying in soile0
- Outcome
- transplanting survival ratee0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the transplanting survival rate was greatly improved by covering the roots of seedlings with a small amount of detritus substrates and burying in soil”
t0“winter wheat”
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.