Abstract
Meadowfoam ( Limnanthes alba Hartweg ex. Benth.) seedmeal, a coproduct of oil extraction from meadowfoam seeds, has been found to increase the growth of greenhouse plants when added to the growing medium. (3-Methoxyphenyl)acetonitrile (3-MPAN) is a biologically active glucosinolate degradation compound previously identified at high levels in meadowfoam seedmeal. 3-MPAN was tested as a foliar spray at several concentrations (0 μ m , 0.18 m m , 0.37 m m , 0.73 m m , 2.2 m m , and 7.3 m m ) on lime basil ( Ocimum basilicum L.), spearmint ( Mentha spicata L.), cuphea ( Cuphea lanceolata L.), and French marigold ( Tagetes patula L.) seedlings grown in the greenhouse. 3-MPAN increased the fresh and dry weights of all four species tested. However, this effect was dose-dependent among species with spearmint growth higher at all 3-MPAN application rates, whereas basil growth was promoted at only the 2.2-m m rate. 3-MPAN increased the tissue concentrations of the secondary compound (−)-carvone at the 7.3-m m application rate. In addition, 3-MPAN added to sterile nutrient media stimulated the growth of spearmint plants in vitro. These results indicate that 3-MPAN may have applicability as a postemergent growth stimulant for a wide variety of plants.
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Claims 8
Claim · model-written summary
Foliar 3-MPAN increased lime basil fresh and dry weight.
- Taxon
- Ocimum basilicum L.
Ocimum basilicume1 - Treatment
- 3-MPANe0
- Outcome
- fresh and dry weightse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“3-MPAN increased the fresh and dry weights of all four species tested.”
e1“lime basil ( Ocimum basilicum L.)”
Claim · model-written summary
Foliar 3-MPAN increased spearmint fresh and dry weight.
- Taxon
- Mentha spicata L.
Mentha spicatae1 - Treatment
- 3-MPANe0
- Outcome
- fresh and dry weightse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“3-MPAN increased the fresh and dry weights of all four species tested.”
e1“spearmint ( Mentha spicata L.)”
Claim · model-written summary
Foliar 3-MPAN increased cuphea fresh and dry weight.
- Taxon
- Cuphea lanceolata L.
Cuphea lanceolatae1 - Treatment
- 3-MPANe0
- Outcome
- fresh and dry weightse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“3-MPAN increased the fresh and dry weights of all four species tested.”
e1“cuphea ( Cuphea lanceolata L.)”
Claim · model-written summary
Foliar 3-MPAN increased French marigold fresh and dry weight.
- Taxon
- Tagetes patula L.
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Tagetes patulae1 - Treatment
- 3-MPANe0
- Outcome
- fresh and dry weightse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“3-MPAN increased the fresh and dry weights of all four species tested.”
e1“French marigold ( Tagetes patula L.)”
Claim · model-written summary
Spearmint growth was higher at all 3-MPAN application rates.
- Taxon
- Mentha spicata L.Mentha spicatae1
- Treatment
- 3-MPAN application ratese0
- Outcome
- spearmint growthe0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“spearmint growth higher at all 3-MPAN application rates”
e1“spearmint ( Mentha spicata L.)”
Claim · model-written summary
Basil growth was promoted only at the 2.2-m m 3-MPAN rate.
- Taxon
- Ocimum basilicum L.Ocimum basilicume1
- Treatment
- 3-MPANe2
- Outcome
- basil growthe0
- Direction
- promotede0
- Value
- 2.2-m me0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“basil growth was promoted at only the 2.2-m m rate”
e1“lime basil ( Ocimum basilicum L.)”
e2“3-MPAN increased the fresh and dry weights of all four species tested.”
Claim · model-written summary
3-MPAN at 7.3-m m increased tissue (−)-carvone concentration.
- Taxon
- Mentha spicata L.Mentha spicatae1
- Treatment
- 3-MPANe0
- Outcome
- tissue concentrations of the secondary compound (−)-carvonee0
- Direction
- increasede0
- Value
- 7.3-m me0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“3-MPAN increased the tissue concentrations of the secondary compound (−)-carvone at the 7.3-m m application rate.”
e1“spearmint ( Mentha spicata L.)”
Claim · model-written summary
3-MPAN in sterile medium stimulated spearmint growth in vitro.
- Taxon
- Mentha spicata L.Mentha spicatae1
- Treatment
- 3-MPAN added to sterile nutrient mediae0
- Outcome
- growth of spearmint plantse0
- Direction
- stimulatede0
- Setting
- in vitroe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“3-MPAN added to sterile nutrient media stimulated the growth of spearmint plants in vitro”
e1“spearmint ( Mentha spicata L.)”
The same questions in other papers
in vitro · growth · Mentha spicata (spearmint)Results agree
7 papers in the same direction as this paper
- positive
- positive
- positive
4 papers more in this group
See all 8 papers →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.