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<p>A survey and field experiments were conducted to identify and ascertain the challenges confronting commercial soybean farmers in northern Ghana and to evaluate foreign and local soybean germplasms to assess the morphological architecture for possible mechanical harvesting. The soybean germplasms consisted of four foreign (G39, G83, G90, and G119) and three locally preferred (Afayak, Favour, and Jenguma) soybeans varieties in Ghana. The survey experiment revealed that difficulty in harvesting soybean was the major challenge confronting commercial soybean farmers in northern Ghana. Due to lower shattering ability, Favour variety was the most preferred variety by commercial soybean farmers while sole cropping system was the common practice by commercial soybean farmers. The field experiment showed that the foreign soybean germplasm significantly (<i>P</i> &lt; 0.05) increased plant height, plant girth, number of pods per plant, first pod height from the ground level by 20%, and grain yield compared to the local varieties. The foreign soybean germplasm averagely recorded higher lodged plants and was also more prone to shattering compared to the local varieties. The local soybean germplasms recorded the recommended height of 12&#xa0;cm for mechanical harvesting, whereas one of the foreign germplasms, G119, fell short of the recommended height. The foreign soybean germplasm (G39, G83, and G90), and local soybean germplasm (Afayak, Favour and Jenguma) can be harvested mechanically using a combined harvester following the recommended 12&#xa0;cm above ground to the first pod for soybean mechanical harvesting.</p>

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Soybean (Glycine max(L.) Merrill) germplasm characterization on plant architecture and yield traits for potential mechanical harvest

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月6日

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  • Iddi Tabdeen,
  • Shirley Lamptey,
  • Benjamin Karikari

摘要

A survey and field experiments were conducted to identify and ascertain the challenges confronting commercial soybean farmers in northern Ghana and to evaluate foreign and local soybean germplasms to assess the morphological architecture for possible mechanical harvesting. The soybean germplasms consisted of four foreign (G39, G83, G90, and G119) and three locally preferred (Afayak, Favour, and Jenguma) soybeans varieties in Ghana. The survey experiment revealed that difficulty in harvesting soybean was the major challenge confronting commercial soybean farmers in northern Ghana. Due to lower shattering ability, Favour variety was the most preferred variety by commercial soybean farmers while sole cropping system was the common practice by commercial soybean farmers. The field experiment showed that the foreign soybean germplasm significantly (P < 0.05) increased plant height, plant girth, number of pods per plant, first pod height from the ground level by 20%, and grain yield compared to the local varieties. The foreign soybean germplasm averagely recorded higher lodged plants and was also more prone to shattering compared to the local varieties. The local soybean germplasms recorded the recommended height of 12 cm for mechanical harvesting, whereas one of the foreign germplasms, G119, fell short of the recommended height. The foreign soybean germplasm (G39, G83, and G90), and local soybean germplasm (Afayak, Favour and Jenguma) can be harvested mechanically using a combined harvester following the recommended 12 cm above ground to the first pod for soybean mechanical harvesting.