Abstract
Our objectives were to quantify the growth and tissue mineral nutrient concentrations of cilantro (Coriandrum sativum ‘Santo’), dill (Anethum graveolens ‘Fernleaf’), and parsley (Petroselinum crispum ‘Giant of Italy’) in response to nutrient solution electrical conductivity (EC) under low and high photosynthetic daily light integrals (DLI). Three-week old seedlings of cilantro, dill, and parsley were transplanted into nutrient-film technique hydroponic systems with one of five nutrient solution EC treatments (0.5, 1.0, 2.0, 3.0, or 4.0 dS·m−1) in greenhouses under a low (~7.0 mol·m−2·d−1) or high (~18.0 mol·m−2·d−1) DLI. The DLI, but not nutrient solution EC, affected culinary herb growth. For example, fresh mass increased by 21.0 (154%), 17.1 (241%), or 13.3 g (120%) for cilantro, dill, and parsley, respectively, for plants grown under high DLI compared to those grown under a low DLI; dry mass followed a similar trend. Tissue nutrient concentrations were generally affected by either DLI or EC. For those nutrients affected by DLI, concentrations increased with increasing DLI, except for potassium (K; all species) and manganese (Mn; dill). For those nutrients affected by EC, Ca and Mg decreased with increasing EC, while the remaining increased with increasing EC. When our tissue nutrient data are compared to recommended tissue concentrations, the vast majority of elements were either within or above recommended tissue ranges for cilantro, dill, and parsley. Our results demonstrate cilantro, dill, and parsley can be successfully grown across a range of EC, regardless of the light intensity of the growing environment.
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Claims 10
Claim · model-written summary
High DLI increased fresh mass of cilantro by 21.0 g (154%) relative to low DLI
- Taxon
- cilantro
Coriandrum sativume1 - Treatment
- high DLIe1
- Outcome
- fresh masse1
- Direction
- increasede1
- Value
- 21.0 (154%)e1
- Comparator
- low DLIe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“For example, fresh mass increased by 21.0 (154%), 17.1 (241%), or 13.3 g (120%) for cilantro, dill, and parsley, respectively, for plants grown under high DLI compared to those grown under a low DLI”
Claim · model-written summary
High DLI increased fresh mass of dill by 17.1 g (241%) relative to low DLI
- Taxon
- dill
Anethum graveolense1 - Treatment
- high DLIe1
- Outcome
- fresh masse1
- Direction
- increasede1
- Value
- 17.1 (241%)e1
- Comparator
- low DLIe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“For example, fresh mass increased by 21.0 (154%), 17.1 (241%), or 13.3 g (120%) for cilantro, dill, and parsley, respectively, for plants grown under high DLI compared to those grown under a low DLI”
Claim · model-written summary
High DLI increased fresh mass of parsley by 13.3 g (120%) relative to low DLI
- Taxon
- parsley
Petroselinum crispume1 - Treatment
- high DLIe1
- Outcome
- fresh masse1
- Direction
- increasede1
- Value
- 13.3 g (120%)e1
- Comparator
- low DLIe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“For example, fresh mass increased by 21.0 (154%), 17.1 (241%), or 13.3 g (120%) for cilantro, dill, and parsley, respectively, for plants grown under high DLI compared to those grown under a low DLI”
Claim · model-written summary
Dry mass of cilantro, dill and parsley followed a similar trend to fresh mass under high DLI
- Taxon
- cilantro, dill, and parsleyPetroselinum crispumCoriandrum sativumAnethum graveolense1
- Treatment
- high DLIe1
- Outcome
- dry masse2
- Direction
- followed a similar trende2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“For example, fresh mass increased by 21.0 (154%), 17.1 (241%), or 13.3 g (120%) for cilantro, dill, and parsley, respectively, for plants grown under high DLI compared to those grown under a low DLI”
e2“dry mass followed a similar trend”
Claim · model-written summary
Tissue nutrient concentrations increased with increasing DLI, except potassium and manganese in dill
- Taxon
- cilantro, dill, and parsleyPetroselinum crispumCoriandrum sativumAnethum graveolense1
- Treatment
- increasing DLIe3
- Outcome
- concentrationse3
- Direction
- increasede3
- Qualifier
- except for potassium (K; all species) and manganese (Mn; dill)e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“For example, fresh mass increased by 21.0 (154%), 17.1 (241%), or 13.3 g (120%) for cilantro, dill, and parsley, respectively, for plants grown under high DLI compared to those grown under a low DLI”
e3“For those nutrients affected by DLI, concentrations increased with increasing DLI, except for potassium (K; all species) and manganese (Mn; dill)”
Claim · model-written summary
Ca and Mg concentrations decreased with increasing nutrient solution EC
- Taxon
- cilantro, dill, and parsleyPetroselinum crispumCoriandrum sativumAnethum graveolense1
- Treatment
- increasing ECe4
- Outcome
- Ca and Mge4
- Direction
- decreasede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“For example, fresh mass increased by 21.0 (154%), 17.1 (241%), or 13.3 g (120%) for cilantro, dill, and parsley, respectively, for plants grown under high DLI compared to those grown under a low DLI”
e4“For those nutrients affected by EC, Ca and Mg decreased with increasing EC, while the remaining increased with increasing EC”
Claim · model-written summary
The remaining tissue nutrient concentrations increased with increasing nutrient solution EC
- Taxon
- cilantro, dill, and parsleyPetroselinum crispumCoriandrum sativumAnethum graveolense1
- Treatment
- increasing ECe4
- Outcome
- the remaininge4
- Direction
- increasede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“For example, fresh mass increased by 21.0 (154%), 17.1 (241%), or 13.3 g (120%) for cilantro, dill, and parsley, respectively, for plants grown under high DLI compared to those grown under a low DLI”
e4“For those nutrients affected by EC, Ca and Mg decreased with increasing EC, while the remaining increased with increasing EC”
Claim · model-written summary
Most tissue nutrient concentrations of cilantro, dill and parsley were within or above recommended ranges
- Taxon
- cilantro, dill, and parsleyPetroselinum crispumCoriandrum sativumAnethum graveolense5
- Outcome
- recommended tissue rangese5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“When our tissue nutrient data are compared to recommended tissue concentrations, the vast majority of elements were either within or above recommended tissue ranges for cilantro, dill, and parsley”
Claim · model-written summary
Cilantro, dill and parsley can be grown successfully across a range of nutrient solution EC regardless of light intensity
- Taxon
- cilantro, dill, and parsleyPetroselinum crispumCoriandrum sativumAnethum graveolense6
- Outcome
- successfully grown across a range of ECe6
- Qualifier
- regardless of the light intensity of the growing environmente6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Our results demonstrate cilantro, dill, and parsley can be successfully grown across a range of EC, regardless of the light intensity of the growing environment”
Claim · model-written summary
DLI, but not nutrient solution EC, affected culinary herb growth
Not reportedDirection
Verbatim
e7“The DLI, but not nutrient solution EC, affected culinary herb growth”
The same questions in other papers
light · growth · Petroselinum crispum (parsley)Positive and negative results
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- no effect
- positive
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light · growth · Anethum graveolens (dill)Positive and negative results
4 papers in the same direction as this paper · 4 in the opposite direction
- positive
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See all 9 papers →light · growth · Coriandrum sativum (coriander)Positive and negative results
7 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
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See all 9 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.