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“embryo survival”

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Associationobservedoriginal resultmeasured

Claim · model-written summary

Embryo survival correlated more closely with starch than sucrose content.

Taxon: MaizeZea mayst0
Compound: starche0
Outcome: Embryo survivale0
Direction: correlated more closelye0
Comparator: sucrosee0

Verbatim

e0
“Embryo survival correlated more closely with the content of starch than sucrose”
✓ located verbatim in the source · abstract, characters 1618–1697

t0
“Maize”
✓ located verbatim in the source · title, characters 84–89

Title

Reversing Drought‐Induced Losses in Grain Yield: Sucrose Maintains Embryo Growth in Maize

C. Zinselmeier; M. J. Lauer; J. S. Boyer Crop Science 1995. doi:10.2135/cropsci1995.0011183x003500050022x

Other claims from this paper (11)

Intervention effect Stem wounding and nutrient infusions did not alter embryo growth at high water potential.
Intervention effect Stem wounding and nutrient infusions did not alter yield at high water potential.
Intervention effect Low water potential virtually eliminated grain development.
Intervention effect Sucrose infusion reversed loss of grain development at low water potential.
Observation No other medium component showed activity under low water potential.
Intervention effect Without sucrose at low water potential, ovary sucrose content was moderately lower than controls.
Intervention effect Without sucrose at low water potential, ovary starch was much lower than controls.
Intervention effect With sucrose at low water potential, ovary sucrose content exceeded controls.
Intervention effect With sucrose at low water potential, ovary starch recovered moderately.
Mechanism The authors inferred that reduced sucrose flux contributes to arrested embryo growth at low water potential.
Mechanism The authors inferred that altered ovary carbohydrate metabolism contributes to arrested embryo growth.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend altering the procedures to improve embryo survival.

Taxon: PECANCarya illinoinensist0
Outcome: increase the probability of embryo survivale0

Verbatim

e0
“the procedures used in the current study should be altered to increase the probability of embryo survival”
✓ located verbatim in the source · abstract, characters 779–884

t0
“PECAN”
✓ located verbatim in the source · title, characters 45–50

Title

CRYOGENICS AND TISSUE CULTURE FOR PRESERVING PECAN GERMPLASM

S. Abou Taleb; I. Yates; B.W. Wood; et al. HortScience 1992. doi:10.21273/hortsci.27.6.693c

Other claims from this paper (5)

Intervention effect Optimum germination with minimum contamination occurred when 12% of the kernel remained intact.
Intervention effect Liquid nitrogen reduced the percentage of embryos developing into intact plants.
Observation Curtis had a significantly higher shoots-only morphogenic response than other cultivars.
Observation Shoshoni had a significantly higher shoots-only morphogenic response than other cultivars.
Method / resource Cryogenic storage of pecan zygotic embryos was feasible for germplasm preservation.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Embryo-cultured plants had lower survival than traditionally propagated plants, 16% versus 44%.

Taxon: Chionanthus virginicusChionanthus virginicust0
Treatment: embryo-culturede0
Outcome: survival ratee0
Direction: lowere0
Value: 16%e0
Qualifier: 44%e0
Comparator: Traditional seed propagationt1

Verbatim

e0
“The embryo-cultured plants had a lower survival rate (16% vs. 44%)”
✓ located verbatim in the source · abstract, characters 656–722

t0
“Chionanthus virginicus”
✓ located verbatim in the source · title, characters 27–49

t1
“Traditional seed propagation”
✓ located verbatim in the source · abstract, characters 0–28

Title

Accelerated Propagation of Chionanthus virginicus via Embryo Culture

Charlotte R. Chan; Robert D. Marquard HortScience 1999. doi:10.21273/hortsci.34.1.140

Other claims from this paper (5)

Observation Cultured embryos germinated in four weeks.
Intervention effect Embryo culture required more labor than traditional propagation.
Intervention effect After two years, embryo-cultured plants had 13.4-fold the mass of traditionally grown plants.
Intervention effect After two years, embryo-cultured plants were 4.7-fold taller.
Intervention effect Ten-month-old cultured plants matched the size of traditionally grown two-year-old plants.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Survival rate in embryo culture averaged 47.4%.

Taxon: LiliumLiliumt0
Treatment: embryo culturee5
Outcome: survival rate in embryo culturee5
Direction: averagede5
Value: 47.4%e5

Verbatim

t0
“Lilium concolor”
✓ located verbatim in the source · title, characters 39–54

e5
“The survival rate in embryo culture varied among the crosses but averaged 47.4%”
✓ located verbatim in the source · abstract, characters 1056–1135

Title

Introduction of the Characteristics of Lilium concolor into L. ^|^times; 'Asiatic Hybrids' by Crossing through Style-cutting Pollination and Embryo Culture

Keiichi Okazaki; Joichi Kawada; Masaaki Kunishige; et al. Journal of the Japanese Society for Horticultural Science 1995. doi:10.2503/jjshs.63.825

Other claims from this paper (18)

Observation No seed set occurred in the cross of L. concolor with Asiatic Hybrids by normal or cut-style pollination.
Observation Hybrids were obtained in the reciprocal cross by cut-style pollination and embryo culture.
Observation The ovary set rate was 100% in the reciprocal cross.
Observation Average number of embryos per ovary was 5.1, ranging from 0.5 to 21.
Observation Hybrid seeds did not germinate in vermiculite.
Observation Average pollen fertility rate among 11 hybrids was 72.9%.
Observation Hybrids backcrossed with L. concolor produced many seeds.
Observation Hybrids backcrossed to Asiatic Hybrids yielded few seeds.
Observation Asiatic Hybrids produced many seeds when pollinated with hybrid pollen.
Observation L. concolor produced no seed when pollinated with hybrid pollen.
Observation About half of the seeds obtained from backcrosses were abnormal.
Observation Only 20.3 to 34.0% of backcross seeds germinated in vermiculite.
Intervention effect Excised immature embryos increased survival rate above 73.6% in backcrosses.
Observation Flowers and leaves of hybrids were intermediate between their parents.
Observation Hybrids grew vigorously, with longer stems and more flowers per inflorescence than their parents.
Observation Hybrids were similar to L. concolor rather than to the Asiatic Hybrids, with relatively small flowers and slender leaves.
Observation Hybrids forced in winter flowered in about 90 days.
Observation Hybrids cultured after bulb harvest and storage flowered in about 65 days.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Longer in-ovule treatment enhanced embryo growth and plant survival.

Taxon: PeachPrunus persicat0
Treatment: time of in ovule treatmente0
Outcome: embryo growth and plant survivale0
Direction: enhancede0

Verbatim

e0
“As the time of in ovule treatment increased, embryo growth and plant survival was enhanced”
✓ located verbatim in the source · abstract, characters 1307–1397

t0
“Peach”
✓ located verbatim in the source · title, characters 20–25

Title

In Ovule Culture in Peach: Embryo Perforation, Duration of Culture, and Media Effects on Seed Growth and Seedling Survival

David H. Byrne; Marissa Rizzo; Katrina Porter; et al. HortScience 1998. doi:10.21273/hortsci.33.3.460f

Other claims from this paper (5)

Intervention effect Perforation produced larger peach embryos.
Intervention effect Perforation did not improve germination over unperforated embryos.
Intervention effect Added vitamins and hormones produced more roots and shoots in plants from unperforated embryos.
Intervention effect The added vitamins and hormones did not necessarily improve survival.
Observation Both tested sucrose levels worked reasonably well.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Embryo rescue increased survival of wide crosses.

Taxon: FOLIAGE AND FLOWERING ORNAMENTALSt0
Treatment: Embryo rescuee0
Outcome: survival of wide crossese0
Direction: increasede0
Setting: labe0

Not reportedComparator

Verbatim

e0
“Embryo rescue in the lab has increased the survival of wide crosses from different species within a genera”
✓ located verbatim in the source · abstract, characters 498–604

t0
“FOLIAGE AND FLOWERING ORNAMENTALS”
✓ located verbatim in the source · title, characters 36–69

Title

BREEDING STRATEGIES AND METHODS FOR FOLIAGE AND FLOWERING ORNAMENTALS

Henry M. Donselman HortScience 1992. doi:10.21273/hortsci.27.6.699a

Other claims from this paper (1)

Intervention effect Rapid multiplication of selected clones increased disease and insect resistance screening efficiency.

Mechanismhypothesisoriginal resultmeasured

Claim · model-written summary

Nuclear degradation products were postulated to improve embryo survival, growth, and multiplication.

Taxon: Norway SprucePicea abiest0
Outcome: enhance embryo survival, growth, and multiplicatione0
Qualifier: salvage of nuclear degradation productse0

Verbatim

t0
“Norway Spruce”
✓ located verbatim in the source · title, characters 76–89

e0
“The salvage of nuclear degradation products was postulated to enhance embryo survival, growth, and multiplication by cleavage polyembryony”
✓ located verbatim in the source · abstract, characters 1182–1320

Title

Apoptosis During Diploid Parthenogenesis and Early Somatic Embryogenesis of Norway Spruce

L. Havel; D. J. Durzan International Journal of Plant Sciences 1996. doi:10.1086/297315

Other claims from this paper (7)

Observation Specific nuclei were eliminated during diploid parthenogenesis.
Observation Nuclei became pycnotic and fragmented.
Observation Tubular axial-tier cells lost interphase nucleoli before enucleation.
Mechanism Apoptosis involved endonuclease activation and cell death.
Method / resource TUNEL stained apoptotic nuclei red.
Observation Nonapoptotic embryonal nuclei fluoresced strongly with DAPI.
Observation Nuclei reacted blue with Giemsa in TUNEL-probed cells.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Removing peach vegetative buds reduced fruit bud development, fruit growth, and embryo survival.

Taxon: peachPrunus persicae0
Treatment: Removal of peach vegetative budse0
Outcome: fruit bud development, fruit growth, and embryo survivale0
Direction: reducede0

Not reportedComparator

Verbatim

e0
“Removal of peach vegetative buds, however, reduced fruit bud development, fruit growth, and embryo survival”
✓ located verbatim in the source · abstract, characters 580–687

Title

OSMOTIC POTENTIAL IS RELATED TO SINK STRENGTH IN VEGETATIVE AND FLORAL BUDS OF APPLE AND PEACH

W.G. Yang; D.M. Glenn HortScience 1992. doi:10.21273/hortsci.27.6.613c

Other claims from this paper (5)

Association Osmotic potential of apple and peach buds related to bud development phenology.
Observation Developing buds had lower osmotic potential than dormant buds.
Intervention effect Removing peach floral buds lowered osmotic potential.
Intervention effect Removing peach floral buds increased vegetative bud development and early leaf growth rate.
Association Osmotic potential indexed sink activity before and after bloom.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Early embryo rescue at 7 11 days after pollination could greatly increase hybrid plant survival.

Taxon: Triticum aestivumTriticum aestivumt0
Treatment: embryo reskue techniquee0
Outcome: frequency of hybrid plant survivale0
Direction: increase greatlye0
Qualifier: 7 11d after pollinatione0

Verbatim

e0
“If embryo reskue technique was employed at the early stage of hybrid embryo development 7 11d after pollination,it could increase greatly the frequency of hybrid plant survival”
✓ located verbatim in the source · abstract, characters 723–899

t0
“Triticum aestivum”
✓ located verbatim in the source · title, characters 64–81

Title

Fertilization and early embryo development in the cross between Triticum aestivum and Dasypyrum villosum

Zhou Yong Xi'nan nongye xuebao 1999

Other claims from this paper (8)

Observation Dasypyrum pollen germinated normally on wheat stigmas and pollen tubes entered embryo sacs.
Observation Double fertilization with embryo and endosperm occurred in 13 81% of observed ovaries.
Observation Only embryo formed in 16 19% of observed ovaries.
Observation Only endosperm formed in 4 76% of observed ovaries.
Observation Total fertilization rate was 34 76%.
Observation Total embryo formation rate was 30 00%.
Observation Endosperm developed more slowly than embryo and was abnormal, absent or later vanished.
Mechanism Abnormal or missing endosperm made viable mature seed production very difficult.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

High osmotic concentration increased embryo survival and conversion after partial desiccation.

Taxon: celeryApium graveolens Dulce Groupe1
Treatment: high osmotic concentratione0
Outcome: embryo survival and conversione0
Direction: increasede0
Qualifier: after partial desiccatione0

Not reportedComparator

Verbatim

e0
“Treatments of high osmotic concentration applied during the last 2 days of the embryo production cycle increased embryo survival and conversion after partial desiccation.”
✓ located verbatim in the source · abstract, characters 386–556

e1
“celery (Apium graveolens L.)”
✓ located verbatim in the source · abstract, characters 59–87

Title

Changes in Tolerance to Partial Desiccation and in Metabolite Content of Celery Somatic Embryos Induced by Reduced Osmotic Potential

Yehoshua Saranga; Y.-H. Kim; Jules Janick Journal of the American Society for Horticultural Science 1992. doi:10.21273/jashs.117.2.342

Other claims from this paper (9)

Observation Sucrose and PEG manipulations produced similar embryo responses at high osmoticum.
Intervention effect High osmotic concentration increased embryo proline fourfold.
Intervention effect ABA alone increased embryo proline twofold.
Intervention effect Osmotic treatments decreased embryo reducing sugars.
Intervention effect Osmotic treatments increased embryo sucrose.
Intervention effect Osmotic treatments did not affect embryo starch content.
Observation ABA induced a similar sucrose change to osmotic treatment.
Intervention effect Osmotic treatments did not affect embryo total fatty acid content.
Intervention effect ABA increased embryo total fatty acid content twofold.

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“embryo survival”

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