Abstract
Summary Pepper seed quality is sensitive to variations in climatic conditions during seed development, which might be associated with accumulation, distribution and leakage of mineral elements from the seeds. This was examined in hybrid seeds of sweet pepper ( Capsicum annuum L. cv.‘Hazera’ 1195) in two experiments during two growing seasons. The mean daily temperature (day/night) and daily total radiation receipt during seed development were 27.9/23.2°C and 8.63 kW m −2 in the summer and 18.3/ 14.9°C and 3.18 kW m −2 in the winter, respectively. Seeds developed in the summer had lower percentage of seedling emergence and leaked a larger portion (45%) of their K content into the water medium than in winter‐developed seeds. Summer seeds accumulated more K and Cl, but less P, Mg, Ca and the weight ratio of linoleic acid to oleic acid was lower than in the winter seeds. The season did not significantly affect N, S and total fatty acids. The most abundant element on the seed coat surface was K in the summer and Ca in the winter seeds. The cotyledon and endosperm of the summer seeds contained relatively higher ratios of K and Ca and lower ratios of P and Mg than the winter seeds. Transportation of mineral nutrients appeared to be involved in the effect of heat and moisture stresses on emergence quality of the pepper seeds.
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Claims 10
Claim · model-written summary
Sweet pepper seeds developed in summer had lower seedling emergence than seeds developed in winter.
- Taxon
- sweet pepper
Capsicum annuumt0 - Treatment
- Seeds developed in the summere1
- Outcome
- percentage of seedling emergencee1
- Direction
- lowere1
- Comparator
- the winter seedse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sweet pepper seeds”
e1“Seeds developed in the summer had lower percentage of seedling emergence”
e3“Summer seeds accumulated more K and Cl, but less P, Mg, Ca and the weight ratio of linoleic acid to oleic acid was lower than in the winter seeds”
Claim · model-written summary
Summer-developed sweet pepper seeds leaked a larger portion of their K content into the water medium than winter-developed seeds.
- Taxon
- sweet pepperCapsicum annuumt0
- Treatment
- Seeds developed in the summere1
- Outcome
- K content into the water mediume2
- Direction
- larger portione2
- Value
- 45%e2
- Comparator
- the winter seedse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sweet pepper seeds”
e1“Seeds developed in the summer had lower percentage of seedling emergence”
e2“leaked a larger portion (45%) of their K content into the water medium”
e3“Summer seeds accumulated more K and Cl, but less P, Mg, Ca and the weight ratio of linoleic acid to oleic acid was lower than in the winter seeds”
Claim · model-written summary
Summer sweet pepper seeds accumulated more K and Cl than winter seeds.
- Taxon
- sweet pepperCapsicum annuumt0
- Treatment
- Summer seedse3
- Outcome
- K and Cle3
- Direction
- moree3
- Comparator
- the winter seedse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sweet pepper seeds”
e3“Summer seeds accumulated more K and Cl, but less P, Mg, Ca and the weight ratio of linoleic acid to oleic acid was lower than in the winter seeds”
Claim · model-written summary
Summer sweet pepper seeds accumulated less P, Mg and Ca than winter seeds.
- Taxon
- sweet pepperCapsicum annuumt0
- Treatment
- Summer seedse3
- Outcome
- P, Mg, Cae3
- Direction
- lesse3
- Comparator
- the winter seedse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sweet pepper seeds”
e3“Summer seeds accumulated more K and Cl, but less P, Mg, Ca and the weight ratio of linoleic acid to oleic acid was lower than in the winter seeds”
Claim · model-written summary
The weight ratio of linoleic acid to oleic acid was lower in summer sweet pepper seeds than in winter seeds.
- Taxon
- sweet pepperCapsicum annuumt0
- Treatment
- Summer seedse3
- Outcome
- weight ratio of linoleic acid to oleic acide3
- Direction
- lowere3
- Comparator
- the winter seedse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sweet pepper seeds”
e3“Summer seeds accumulated more K and Cl, but less P, Mg, Ca and the weight ratio of linoleic acid to oleic acid was lower than in the winter seeds”
Claim · model-written summary
Season did not significantly affect N, S and total fatty acids in sweet pepper seeds.
- Taxon
- sweet pepperCapsicum annuumt0
- Treatment
- The seasone4
- Outcome
- N, S and total fatty acidse4
- Direction
- no_changeinferrede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sweet pepper seeds”
e4“The season did not significantly affect N, S and total fatty acids”
Claim · model-written summary
The most abundant element on the seed coat surface was K in summer and Ca in winter sweet pepper seeds.
- Taxon
- sweet pepperCapsicum annuumt0
- Organ / stage
- seed coat surfacee5
- Outcome
- most abundant element on the seed coat surfacee5
- Qualifier
- K in the summer and Ca in the wintere5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sweet pepper seeds”
e5“The most abundant element on the seed coat surface was K in the summer and Ca in the winter seeds”
Claim · model-written summary
The cotyledon and endosperm of summer sweet pepper seeds had higher ratios of K and Ca than winter seeds.
- Taxon
- sweet pepperCapsicum annuumt0
- Organ / stage
- cotyledon and endosperme6
- Treatment
- summer seedse6
- Outcome
- ratios of K and Cae6
- Direction
- highere6
- Comparator
- the winter seedse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sweet pepper seeds”
e6“The cotyledon and endosperm of the summer seeds contained relatively higher ratios of K and Ca and lower ratios of P and Mg than the winter seeds”
Claim · model-written summary
The cotyledon and endosperm of summer sweet pepper seeds had lower ratios of P and Mg than winter seeds.
- Taxon
- sweet pepperCapsicum annuumt0
- Organ / stage
- cotyledon and endosperme6
- Treatment
- summer seedse6
- Outcome
- ratios of P and Mge6
- Direction
- lowere6
- Comparator
- the winter seedse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sweet pepper seeds”
e6“The cotyledon and endosperm of the summer seeds contained relatively higher ratios of K and Ca and lower ratios of P and Mg than the winter seeds”
Claim · model-written summary
Transport of mineral nutrients may be involved in the effect of heat and moisture stresses on pepper seed emergence quality.
Verbatim
e7“Transportation of mineral nutrients appeared to be involved in the effect of heat and moisture stresses on emergence quality of the pepper seeds”
The same questions in other papers
climate site · quality: oil · Capsicum annuum (sweet pepper)Results agree
1 paper in the same direction as this paper
- no effect
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.