Search claims · PlantClaims

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.

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.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Physical, chemical or combined protection methods are likely required to increase embryo survival and plantlet formation of Syzygium maire after cryopreservation.

Taxon: Syzygium maireSyzygium mairet0
Organ / stage: zygotic embryost0
Outcome: protection methodse4
Qualifier: to increase embryo survival and plantlet formation following cryopreservatione4

Verbatim

t0
“Syzygium maire zygotic embryos”
✓ located verbatim in the source · title, characters 125–155

e4
“S. maire embryos are sensitive to desiccation and likely require physical, chemical or a combination of protection methods to increase embryo survival and plantlet formation following cryopreservation”
✓ located verbatim in the source · abstract, characters 1211–1411

Title

Evaluation of droplet-vitrification, vacuum infiltration vitrification and encapsulation-dehydration for cryopreservation of Syzygium maire zygotic embryos.

K van der Walt; P Kemp; S Sofkova-Bobcheva; et al. PubMed 2022

Other claims from this paper (6)

Intervention effect Encapsulated embryo axes desiccated to 31% and 37% moisture content survived cryopreservation.
Intervention effect Encapsulated embryo axes desiccated to 31% and 37% moisture content formed no plantlets following cryopreservation.
Intervention effect PVS2 vitrification by the DV method had a negative impact on embryo survival and plantlet formation of Syzygium maire embryos.
Intervention effect DVIV resulted in improved results for non-cryopreserved Syzygium maire embryo axes.
Intervention effect Neither PVS2 vitrification method resulted in embryo survival of Syzygium maire embryos following cryopreservation.
Observation Syzygium maire embryos are sensitive to desiccation.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Embryo rescue may benefit survival of some cross combinations of Allium clones.

Taxon: A. thunbergii G. Don and A. chinense G. Don clonesAllium thunbergii Allium chinensee3
Treatment: embryo rescuee7
Outcome: better survivale7

Verbatim

e7
“Results from an incomplete diallel cross indicate a) the cross combinations which may benefit from embryo rescue for better survival”
✓ located verbatim in the source · abstract, characters 826–958

e3
“some A. thunbergii G. Don and A. chinense G. Don clones”
✓ located verbatim in the source · abstract, characters 47–102

Title

Studies on the Development of New Ornamental Allium spp. through Interspecific Hybridization II. Utilization of Allium chinense * A. thunbergii Hybrids and A. tuberosum 'Tender-Pole' to Develop Heat Tolerant Ornamental Allium spp.

Joseph G. Dubouzet; Ken-ichi Arisumi; Tetsuo Yoshitake; et al. Journal of the Japanese Society for Horticultural Science 1993. doi:10.2503/jjshs.61.901

Other claims from this paper (8)

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Long-term preservation of Zizania grains is possible at −20°C, with success related to embryo maturity.

Taxon: ZizaniaZizaniae0
Outcome: long term preservation of Zizania grains is possible at −20°Ce0
Qualifier: maturity status of the embryose0

Verbatim

e0
“long term preservation of Zizania grains is possible at −20°C and the degree of success will be related to the maturity status of the embryos”
✓ located verbatim in the source · abstract, characters 1269–1410

Title

Survival of Zizania embryos in relation to water content, temperature and maturity status

Christina W. Vertucci; Jennifer Crane; Raymond A. Porter; et al. Seed Science Research 1995. doi:10.1017/s0960258500002567

Other claims from this paper (7)

Association Embryo viability declined below a critical water content.
Association The critical water content was greatest in the least mature embryos.
Association Critical water content increased as temperature decreased.
Observation Water activity at the critical water content appeared constant at 0.90 despite developmental and temperature variation.
Observation The most mature embryos survived temperatures down to −50°C.
Observation The least mature embryos survived only to −18°C.
Method / resource Phase diagrams predicted the observed embryo survival trends.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors propose aneuploids from these crosses as cultivar-breeding material.

Taxon: LilyLiliume0
Outcome: aneuploids obtained from triploid × diploid/tetraploid lilies would be a good source for cultivar breedinge0

Verbatim

e0
“Lily is usually propagated by scaling or tissue culture; therefore, aneuploids obtained from triploid × diploid/tetraploid lilies would be a good source for cultivar breeding.”
✓ located verbatim in the source · abstract, characters 1014–1189

Title

Euploid Endosperm of Triploid × Diploid/tetraploid Crosses Results in Aneuploid Embryo Survival in Lilium

Shujun Zhou; Guixue Zhou; Kehu Li HortScience 2011. doi:10.21273/hortsci.46.4.558

Other claims from this paper (7)

Observation Fruits fully developed in all triploid by diploid or tetraploid lily crosses.
Observation Triploid by diploid or tetraploid lily crosses yielded seedlings.
Observation The progeny of these crosses were predominantly aneuploid.
Observation The inferred endosperm ploidy in 3x by 2x Lilium crosses was 7x.
Observation The inferred endosperm ploidy in 3x by 4x Lilium crosses was 8x.
Mechanism The authors attribute aneuploid embryo survival to euploid endosperm.
Recommendation The authors suggest male-sterile autotriploid lilies as female parents.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors find no need for lighting or light protection during handling of proliferation and maturation cultures.

Taxon: Norway sprucePicea abiest0
Outcome: no need for lighting or protection of SE cultures from light during their handlinge0

Verbatim

e0
“no need for lighting or protection of SE cultures from light during their handling in these steps of the propagation process.”
✓ located verbatim in the source · abstract, characters 817–942

t0
“Norway Spruce”
✓ located verbatim in the source · title, characters 46–59

Title

Light Spectra during Somatic Embryogenesis of Norway Spruce—Impact on Growth, Embryo Productivity, and Embling Survival

Saila Varis; Mikko Tikkinen; Sakari Välimäki; et al. Forests 2021. doi:10.3390/f12030301

Other claims from this paper (9)

Intervention effect Low-intensity LED light during proliferation or late maturation had little effect on embryogenic tissue growth.
Intervention effect Low-intensity LED light during proliferation or late maturation had little effect on embryo productivity.
Intervention effect Low-intensity LED light during proliferation or late maturation had little effect on embryo survival.
Intervention effect Different germination spectra produced significant differences in embling shoot growth.
Intervention effect Different germination spectra produced significant differences in embling root growth.
Intervention effect Different germination spectra produced significant differences in embling survival.
Observation The best light spectrum varied between trials.
Association SE culture genotype had a stronger effect than light spectrum.
Recommendation The authors conclude that various spectra and PWM-adjusted intensity can be used in spruce SE germination.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors suggest male-sterile autotriploid lilies as female parents.

Taxon: liliesLiliume0
Outcome: male-sterile autotriploid lilies can be used as female parentse0

Verbatim

e0
“The results showed that the fruits of all triploid × diploid/tetraploid (3 x × 2 x /4 x ) crosses fully developed, and seedlings were obtained from the 3 x × 2 x /4 x crosses, indicating that male-sterile autotriploid lilies can be used as female parents.”
✓ located verbatim in the source · abstract, characters 427–682

Title

Euploid Endosperm of Triploid × Diploid/tetraploid Crosses Results in Aneuploid Embryo Survival in Lilium

Shujun Zhou; Guixue Zhou; Kehu Li HortScience 2011. doi:10.21273/hortsci.46.4.558

Other claims from this paper (7)

Observation Fruits fully developed in all triploid by diploid or tetraploid lily crosses.
Observation Triploid by diploid or tetraploid lily crosses yielded seedlings.
Observation The progeny of these crosses were predominantly aneuploid.
Observation The inferred endosperm ploidy in 3x by 2x Lilium crosses was 7x.
Observation The inferred endosperm ploidy in 3x by 4x Lilium crosses was 8x.
Mechanism The authors attribute aneuploid embryo survival to euploid endosperm.
Recommendation The authors propose aneuploids from these crosses as cultivar-breeding material.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors conclude that various spectra and PWM-adjusted intensity can be used in spruce SE germination.

Taxon: Norway sprucePicea abiese0
Outcome: various light spectra and also intensity adjusted using pulse width modulation (PWM) can be successfully applied to the SE germination phasee0

Verbatim

e0
“various light spectra and also intensity adjusted using pulse width modulation (PWM) can be successfully applied to the SE germination phase in Norway spruce.”
✓ located verbatim in the source · abstract, characters 1273–1431

Title

Light Spectra during Somatic Embryogenesis of Norway Spruce—Impact on Growth, Embryo Productivity, and Embling Survival

Saila Varis; Mikko Tikkinen; Sakari Välimäki; et al. Forests 2021. doi:10.3390/f12030301

Other claims from this paper (9)

Intervention effect Low-intensity LED light during proliferation or late maturation had little effect on embryogenic tissue growth.
Intervention effect Low-intensity LED light during proliferation or late maturation had little effect on embryo productivity.
Intervention effect Low-intensity LED light during proliferation or late maturation had little effect on embryo survival.
Intervention effect Different germination spectra produced significant differences in embling shoot growth.
Intervention effect Different germination spectra produced significant differences in embling root growth.
Intervention effect Different germination spectra produced significant differences in embling survival.
Observation The best light spectrum varied between trials.
Association SE culture genotype had a stronger effect than light spectrum.
Recommendation The authors find no need for lighting or light protection during handling of proliferation and maturation cultures.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors suggest transferring anthers from high to normal sucrose concentration during culture.

Taxon: Brassica napus ssp. oleiferaBrassica napus var. napuse0
Outcome: transfer of anthers from a high to a normal sucrose concentration during culturee1

Verbatim

e0
“winter oil seed rape (Brassica napus ssp. oleifera)”
✓ located verbatim in the source · abstract, characters 164–215

e1
“transfer of anthers from a high to a normal sucrose concentration during culture would ensure that full advantage was taken of the much higher initial survival on the higher concentration”
✓ located verbatim in the source · abstract, characters 1470–1657

Title

Role of Sucrose in Microspore Embryo Production inBrassica napusssp.oleifera

J. M. DUNWELL; N. THURLING Journal of Experimental Botany 1985. doi:10.1093/jxb/36.9.1478

Other claims from this paper (8)

Observation Winter cultivar Fiona anther homogenate supernatant had osmotic pressure equivalent to 17% sucrose.
Intervention effect The highest sucrose concentration gave Fiona the highest microspore survival after 16 days.
Intervention effect The highest sucrose concentration gave Fiona the greatest number of anthers with induced embryos after 42 days.
Intervention effect Spring cultivars had much higher microspore survival at 16% than 8% sucrose.
Intervention effect Spring cultivars had much higher embryo induction at 16% than 8% sucrose.
Intervention effect Higher sucrose reduced variation in response among spring cultivars.
Observation The benefit of 16% sucrose persisted across donor plant growth environments and pollen stages.
Observation Macroscopic embryos emerged only from anthers grown at 8% sucrose.

“embryo survival”

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