Abstract
Abstract Field experiments were carried out to study the effect of different seed‐zinc (Zn) content on grain yield and grain Zn concentration in a bread wheat cultivar Atay 85 grown in a severely Zn‐deficient soil under rainfed and irrigated conditions for two years. Three groups of seeds with Zn contents of 355, 800, and 1,465 ng Zn seed‐1 were obtained through different number of foliar applications of ZnSO4.7H2O in the previous crop year. Experiments were carried out with 23 kg Zn ha‐1 (as ZnSO4.7H2O) and without Zn fertilization to the soil. Grain yield from seeds with 800 and 1,465 ng Zn seed‐1 content was significantly higher than that from low seed‐Zn, especially under rainfed conditions. In the first year, under rainfed and Zn‐deficient conditions, yield of plants grown from the highest seed‐Zn content was 116% higher than the yield of plants grown from the low seed‐Zn content. However, in the first year soil‐Zn application combined with low‐Zn seed resulted in a yield increase of 466% compared to nill Zn treatment with low‐Zn seed, indicating that higher seed‐Zn contents could not compensate for the effects of soil Zn application. Soil Zn application significantly increased Zn concentrations in shoot and grain. However, the effect of different seed Zn contents on Zn concentrations of plants was not significant, probably due to the dilution of Zn in tissues resulting from enhanced dry matter production. The results presented show that wheat plants grown from seed with high Zn content can achieve higher grain yields than those grown from the low‐Zn seed when Zn was not applied to the soil. Therefore, sowing seeds with higher Zn contents can be considered a practical solution to alleviate Zn deficiency problem, especially under rainfed conditions in spite of it being insufficient to completely overcome the problem. Notes Corresponding author (fax #: 90–322–3386747; e‐mail address: icak@pamuk.cu.edu.tr).
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Claims 7
Claim · model-written summary
Seeds with 800 and 1,465 ng Zn seed‐1 produced significantly higher grain yield than low zinc seed.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- seeds with 800 and 1,465 ng Zn seed‐1 contente0
- Outcome
- Grain yielde0
- Direction
- highere0
- Qualifier
- rainfed conditionse0
- Comparator
- low seed‐Zne0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Grain yield from seeds with 800 and 1,465 ng Zn seed‐1 content was significantly higher than that from low seed‐Zn, especially under rainfed conditions.”
Claim · model-written summary
The highest seed zinc content raised grain yield by 116% against low zinc seed in first year rainfed zinc deficient conditions.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- highest seed‐Zn contente0
- Outcome
- yield of plantse0
- Direction
- highere0
- Value
- 116%e0
- Qualifier
- first year, under rainfed and Zn‐deficient conditionse0
- Comparator
- low seed‐Zn contente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“In the first year, under rainfed and Zn‐deficient conditions, yield of plants grown from the highest seed‐Zn content was 116% higher than the yield of plants grown from the low seed‐Zn content.”
Claim · model-written summary
Soil zinc application with low zinc seed increased yield by 466% against no zinc treatment with low zinc seed.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- soil‐Zn application combined with low‐Zn seede0
- Outcome
- yielde0
- Direction
- increasee0
- Value
- 466%e0
- Comparator
- nill Zn treatment with low‐Zn seede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“soil‐Zn application combined with low‐Zn seed resulted in a yield increase of 466% compared to nill Zn treatment with low‐Zn seed”
Claim · model-written summary
Soil zinc application significantly increased shoot zinc concentration.
- Taxon
- wheatTriticum aestivumt0
- Organ / stage
- shoote0
- Treatment
- Soil Zn applicatione0
- Outcome
- Zn concentrations in shoote0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Soil Zn application significantly increased Zn concentrations in shoot and grain.”
Claim · model-written summary
Soil zinc application significantly increased grain zinc concentration.
- Taxon
- wheatTriticum aestivumt0
- Organ / stage
- graine0
- Treatment
- Soil Zn applicatione0
- Outcome
- Zn concentrations in shoot and graine0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Soil Zn application significantly increased Zn concentrations in shoot and grain.”
Claim · model-written summary
Seed zinc content did not significantly alter plant zinc concentrations.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- different seed Zn contentse0
- Outcome
- Zn concentrations of plantse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“the effect of different seed Zn contents on Zn concentrations of plants was not significant”
Claim · model-written summary
The authors recommend sowing higher zinc seeds to alleviate zinc deficiency, especially under rainfed conditions.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- sowing seeds with higher Zn contentse0
- Qualifier
- especially under rainfed conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“sowing seeds with higher Zn contents can be considered a practical solution to alleviate Zn deficiency problem, especially under rainfed conditions”
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