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Open Access The effect of seed treatments on the yield and yield components of various levels of sprouted wheat

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The effect of seed treatments was determined on various levels of sprouted wheat seeds intended for planting in the summer rainfall region of South Africa. Five groups of wheat seeds, varying in sprouting levels, were treated with a combination of either imidacloprid and carboxim + thiram, or imidacloprid and triticonazole. Trials were planted with these seeds directly after treatment, as well as after storage periods of 12 and 24 months. Seed treatments did not have an effect on sound seeds, but after 24 months of storage, germination and emergence were significantly lower in the sprouted seeds and resulted in lower yields. Seeds treated with imidacloprid and triticonazole had higher yields than seeds treated with imidacloprid and carboxim + thiram. Seeds without any treatment resulted in lower yields compared with seeds that had been treated. However, seeds that have been sprouted, should not be treated, as direct exposure of embryos to the chemicals of the seed treatment, may harm the embryos resulting in poor emergence and seedling stand.
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Keywords: SEED TREATMENT; SPROUTING; STORAGE; WHEAT

Document Type: Research Article

Publication date: April 1, 2018

This article was made available online on December 14, 2017 as a Fast Track article with title: "The effect of seed treatments on the yield and yield components of various levels of sprouted wheat".

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  • Seed Science and Technology (SST) is one of the leading international journals featuring original papers and review articles on seed quality and physiology as related to seed production, harvest, processing, sampling, storage, distribution and testing. This widely recognised journal is designed to meet the needs of researchers, advisers and all those involved in the improvement and technical control of seed quality.
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