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<p>The optimal sowing dates are crucial in achieving the maximum genetic potential for grain yield. In a two-year field study, we investigated the wheat’s grain yield differences under different sowing dates and took into account related growth characteristics. The results in two growing seasons showed that: (1) with the delay in sowing date (second sowing date), the grain yield was significantly increased in all genotypes compared to the first sowing date, and (2) in the third sowing date grain yield was significantly increased in six genotypes out of seven compared to the first sowing date. The reasons for such disproportions of grain yield in sowing dates are usually diseases. Furthermore, sowing in the second sowing date led to significantly higher test weight, higher 1000 kernel weight, up to two days’ latter heading date, plant height, and lower protein content, compared to the first sowing date. The same significant level between sowings on the second and third sowing dates remained for test weight and protein content. According to this research, climate change is more likely to lead to one or two weeks later wheat sowing dates.</p>

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Measuring the Effects of Different Sowing Dates of Winter Wheat

  • 期刊论文

  • 发表日期：

    2025年4月2日

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  • Valentina Spanic,
  • Jurica Duvnjak,
  • Katarina Sunic Budimir,
  • Luka Drenjancevic,
  • Goran Jukic,
  • Ivan Varnica

摘要

The optimal sowing dates are crucial in achieving the maximum genetic potential for grain yield. In a two-year field study, we investigated the wheat’s grain yield differences under different sowing dates and took into account related growth characteristics. The results in two growing seasons showed that: (1) with the delay in sowing date (second sowing date), the grain yield was significantly increased in all genotypes compared to the first sowing date, and (2) in the third sowing date grain yield was significantly increased in six genotypes out of seven compared to the first sowing date. The reasons for such disproportions of grain yield in sowing dates are usually diseases. Furthermore, sowing in the second sowing date led to significantly higher test weight, higher 1000 kernel weight, up to two days’ latter heading date, plant height, and lower protein content, compared to the first sowing date. The same significant level between sowings on the second and third sowing dates remained for test weight and protein content. According to this research, climate change is more likely to lead to one or two weeks later wheat sowing dates.