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叶面喷施微肥对小麦地方品种和品种中锌和铁浓度及生物有效性的影响。

Effects of foliar application of micronutrients on concentration and bioavailability of zinc and iron in wheat landraces and cultivars.

机构信息

School of Life Science and Basic Medicine, Xinxiang University, Xinxiang, 453003, Henan, China.

College of Life Sciences, Henan Normal University, Xinxiang, 453007, Henan, China.

出版信息

Sci Rep. 2021 Nov 23;11(1):22782. doi: 10.1038/s41598-021-02088-3.

DOI:10.1038/s41598-021-02088-3
PMID:34815451
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8611096/
Abstract

Foliar application of micronutrient is a rapid and promising strategy to enhance the concentration and bioavailability of micronutrients in wheat grain. To explore the effects of foliar application of micronutrients on the concentration and bioavailability of zinc and iron in grain in wheat cultivars and landraces, field experiments were carried out using 65 wheat cultivars and 28 landraces to assess the effects of foliar application of zinc (iron) on phytic acid concentrations, zinc (iron) concentrations and their molar ratios. The results indicated that mean grain zinc concentration of landraces (44.83 mg kg) was 11.13% greater than that of cultivars (40.34 mg kg) on average across seasons, while grain iron concentration did not differ significantly between landraces (41.00 mg kg) and cultivars (39.43 mg kg). Foliar zinc application significantly improved the concentration and bioavailability of zinc in grains in both cultivars and landraces, while landraces had almost two-fold more increase in grain zinc and also greater improvement in zinc bioavailability compared to cultivars. While foliar iron application did not significantly affect iron concentration and bioavailability in grains in either cultivars or landraces. Our study showed that, with foliar application of zinc but not iron, wheat landraces had better performance than cultivars in terms of the increases in both concentration and bioavailability of micronutrient in grains.

摘要

叶面喷施微量元素是一种快速且有前景的策略，可以提高小麦籽粒中微量元素的浓度和生物利用度。为了研究叶面喷施微量元素对小麦品种和地方品种籽粒中锌和铁浓度和生物利用度的影响，进行了田间试验，使用 65 个小麦品种和 28 个地方品种评估了叶面喷施锌（铁）对植酸浓度、锌（铁）浓度及其摩尔比的影响。结果表明，在不同季节，地方品种（44.83 mg kg）的平均籽粒锌浓度比品种（40.34 mg kg）高 11.13%，而地方品种（41.00 mg kg）和品种（39.43 mg kg）的籽粒铁浓度没有显著差异。叶面喷施锌显著提高了品种和地方品种籽粒中锌的浓度和生物利用度，而与品种相比，地方品种的籽粒锌增加了近两倍，锌的生物利用度也有了更大的提高。然而，叶面喷施铁对品种和地方品种籽粒中铁的浓度和生物利用度没有显著影响。本研究表明，与叶面喷施铁相比，叶面喷施锌可使小麦地方品种在增加籽粒中微量元素的浓度和生物利用度方面的表现优于品种。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/09d7bc348c4a/41598_2021_2088_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/3ccb0476b93f/41598_2021_2088_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/ad2a72e01d71/41598_2021_2088_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/bf77369adfe1/41598_2021_2088_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/8e1ab26eeb54/41598_2021_2088_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/3667204082c3/41598_2021_2088_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/3f3c8cdafc8b/41598_2021_2088_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/64fc6aee320c/41598_2021_2088_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/09d7bc348c4a/41598_2021_2088_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/3ccb0476b93f/41598_2021_2088_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/ad2a72e01d71/41598_2021_2088_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/bf77369adfe1/41598_2021_2088_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/8e1ab26eeb54/41598_2021_2088_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/3667204082c3/41598_2021_2088_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/3f3c8cdafc8b/41598_2021_2088_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/64fc6aee320c/41598_2021_2088_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ff0f/8611096/09d7bc348c4a/41598_2021_2088_Fig8_HTML.jpg

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