Abstract
Responses of somatic embryos of sweet potato (Ipomoea batata (L.) Poir., cv. White Star) at different developmental stages to in vitro inoculation with Glomus etunicatum (Becker and Gerdemann) (isolate INVAM FL329) were evaluated. Somatic embryos were grown in glass tubes containing sterilized vermiculite and sand. A layer of natrosol plus White's medium was used as a carrier for arbuscular mycorrhizal (AM) fungal spores. Survival of embryos inoculated with AM fungi was significantly (P < 0.05) greater than that of noninoculated embryos at the rooted-cotyledonary-torpedo and rooted-elongated-torpedo developmental stages. Mycorrhizae significantly (P < 0.05) increased plantlet formation only when inoculation occurred at the rooted-elongated-torpedo developmental stage. The growth stage at which the embryos were inserted into the glass tubes exerted a significant influence upon plantlet formation, and plantlet formation was further enhanced by inoculation with G. etunicatum. Plantlet formation was greatest at the rooted-elongated-torpedo stage. These results demonstrate that inoculation of somatic embryos with AM fungi improves embryo survival and plantlet formation, and could enhance use of somatic embryos as synthetic seeds.
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Claims 5
Claim · model-written summary
Inoculation with AM fungi significantly increased embryo survival compared with noninoculated embryos at the rooted-cotyledonary-torpedo and rooted-elongated-torpedo stages.
- Taxon
- sweet potato
_Flower.jpg?width=60)
Ipomoea batatast0 - Organ / stage
- rooted-cotyledonary-torpedo and rooted-elongated-torpedo developmental stagese1
- Treatment
- inoculated with AM fungie1
- Interactor
- AM fungiGlomeromycotae1symbiont
- Outcome
- Survival of embryose1
- Direction
- greatere1
- Comparator
- noninoculated embryose1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Flower.jpg?width=500)
Verbatim
e1“Survival of embryos inoculated with AM fungi was significantly (P < 0.05) greater than that of noninoculated embryos at the rooted-cotyledonary-torpedo and rooted-elongated-torpedo developmental stages”
t0“Inoculation of somatic embryos of sweet potato with an arbuscular mycorrhizal fungus improves embryo survival and plantlet formation”
Claim · model-written summary
Mycorrhizal inoculation increased plantlet formation only when applied at the rooted-elongated-torpedo stage.
- Taxon
- sweet potatoIpomoea batatast0
- Organ / stage
- rooted-elongated-torpedo developmental stagee2
- Treatment
- Mycorrhizaee2
- Outcome
- plantlet formatione2
- Direction
- increasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Mycorrhizae significantly (P < 0.05) increased plantlet formation only when inoculation occurred at the rooted-elongated-torpedo developmental stage”
t0“Inoculation of somatic embryos of sweet potato with an arbuscular mycorrhizal fungus improves embryo survival and plantlet formation”
Claim · model-written summary
Plantlet formation was greatest at the rooted-elongated-torpedo stage.
- Taxon
- sweet potatoIpomoea batatast0
- Organ / stage
- rooted-elongated-torpedo stagee3
- Outcome
- Plantlet formatione3
- Direction
- greateste3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Plantlet formation was greatest at the rooted-elongated-torpedo stage”
t0“Inoculation of somatic embryos of sweet potato with an arbuscular mycorrhizal fungus improves embryo survival and plantlet formation”
Claim · model-written summary
Inoculation with G. etunicatum further enhanced plantlet formation.
- Taxon
- sweet potatoIpomoea batatast0
- Treatment
- inoculation with G. etunicatume4
- Interactor
- G. etunicatume4symbiont
- Outcome
- plantlet formatione4
- Direction
- enhancede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“plantlet formation was further enhanced by inoculation with G. etunicatum”
t0“Inoculation of somatic embryos of sweet potato with an arbuscular mycorrhizal fungus improves embryo survival and plantlet formation”
Claim · model-written summary
The growth stage at which embryos were inserted into the tubes significantly influenced plantlet formation.
- Taxon
- sweet potatoIpomoea batatast0
- Treatment
- growth stage at which the embryos were inserted into the glass tubese5
- Outcome
- plantlet formatione5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“The growth stage at which the embryos were inserted into the glass tubes exerted a significant influence upon plantlet formation”
t0“Inoculation of somatic embryos of sweet potato with an arbuscular mycorrhizal fungus improves embryo survival and plantlet formation”
The same questions in other papers
mycorrhiza · Glomeromycota · Ipomoea batatas (sweet potato)Results agree
1 paper in the same direction as this paper
- positive
inoculation · Glomeromycota · Ipomoea batatas (sweet potato)Results agree
1 paper in the same direction as this paper
- positive
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.