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首页> 外文期刊>Australian Journal of Crop Science >Initial growth and agronomic performance of some important North American safflower cultivars
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Initial growth and agronomic performance of some important North American safflower cultivars

机译：一些重要的北美红花品种的初始生长和农艺表现

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North American safflower cultivars can be considered as alternatives for cultivation in light of the limited improvement in the commercially grown and registered cultivars in Brazil. This study aimed to evaluate the initial growth and agronomic performance of North American safflower cultivars in Brazil. The experimental design for North American cultivars included random blocks with six cultivars (S-351, 3307, 8311, 0260, 0210 and S-323) and six replicates. The emergence percentage, emergence speed index, average emergence time, and average emergence speed were determined at 15 days after emergence (DAE). Plant height, stem diameter, number of leaves per plant, fresh plant mass, and dry plant mass were determined at 30 DAE. Plant height, stem diameter, number of branches, number of chapters, number of leaves, fresh plant mass, dry plant mass, fresh root mass, and dry root mass were determined at the flowering stage. The final plant density, number of chapters per plant, 100-grain weight, grain yield, oil content, and protein content were determined at the harvest stage. Cultivar S-351 had the greatest initial growth and exhibited greater emergence and emergence speed index. At 30 DAE, the cultivars did not differ with respect to the accumulation of dry mass and number of leaves. During flowering, cultivars S-323 and 8311 had greater accumulation of plant and root dry mass, as well as a greater number of leaves, branches, and chapters. Cultivars 210 and 260 had higher grain yield, whereas cultivars 3307 and S-323 had higher oil content, and cultivar S-351 had higher protein content.
机译：鉴于巴西商业种植和注册的品种改良有限，北美红花品种可以考虑作为替代品种。这项研究旨在评估巴西红花北美品种的初始生长和农艺性能。北美品种的实验设计包括带有六个品种（S-351、3307、8311、0260、0210和S-323）的随机区组和六个重复样品。在出苗（DAE）15天后确定出苗率，出苗速度指数，平均出苗时间和平均出苗速度。在30 DAE下测定植物高度，茎直径，单株叶片数，新鲜植物量和干燥植物量。在开花期确定植物高度，茎直径，枝数，叶数，叶数，新鲜植物质量，干燥植物质量，新鲜根质量和干燥根质量。在收获阶段确定最终的植物密度，每株植物的章节数，100粒重，谷物产量，油含量和蛋白质含量。品种S-351的初期生长最大，出苗率和出苗速度指数也更高。在DAE 30时，品种在干重积累和叶片数量方面没有差异。在开花过程中，S-323和8311品种的植物和根的干物质积累量更大，并且叶片，树枝和花冠的数量也更多。品种210和260的谷物产量较高，而品种3307和S-323的油含量较高，品种S-351的蛋白质含量较高。

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