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首页> 外文期刊>HortScience >Small divisions of ornamental grasses produce the best growth following direct potting
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Small divisions of ornamental grasses produce the best growth following direct potting

机译：小盆栽观赏草在直接盆栽后产生最佳生长

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Potting of bare-root spring divisions is a simplified approach to ornamental grass production. Large and small divisions of 5 common ornamental grasses were directly potted into 7-litre nursery containers and grown outdoors for 20 weeks to determinean appropriate division size for each grass. Response to division size was dependent on species and cultivar. Large divisions of Calamagrostis acutiflora cv. Karl Foerster, produced twice as many inflorescences as small divisions. At harvest, large divisions of Miscanthus oligostachyus Purpurascens had twice as many inflorescences and 1.5 times as many tillers as small divisions. However, new tiller production in large divisions was only 50% of that in small division plants. Large divisions of Miscanthus sinensis cultivars produced more tillers and greater fresh and dry weights than did small divisions, but again, the differences were not proportional to the size difference between the initial divisions. Large divisions of Panicum virgatum produced 50more tillers/plant than did small divisions, but plant weight, size and number of inflorescences were not affected by division size. Plants from large divisions of Pennisetum alopecuroides were 7 cm shorter than small divisions and produced 24% more inflorescences and 27% more tillers, but appeared nutrient and/or water stressed. For most grasses, smaller division size is recommended for direct spring potting into 7-litre containers.
机译：春季春季裸根灌浆是观赏性草生产的简化方法。将5种常见观赏草的大和小分区直接装入7升苗圃容器中，并在室外生长20周，以确定每种草的合适分区大小。对分区大小的响应取决于物种和品种。 Calamagrostis acutiflora简历的大部门。卡尔·佛斯特（Karl Foerster）产生的花序是小部门的两倍。收获时，小芒草（Miscanthus oligostachyus purpurascens）的大花序的花序是小分裂的两倍，分1.5的数量是小分裂的1.5倍。但是，大型部门的新分till产量仅为小型部门的50％。芒草品种的大分区比小分区产生更多的分till和更大的鲜重和干重，但同样，差异与初始分区之间的大小差异不成比例。较大的Panicum virgatum部门产生的分produced /植株比小部门多出50个，但植株的重量，大小和花序数不受部门大小的影响。大分区狼尾草的植物比小分区短7厘米，并产生24％的花序和27％的分till，但出现了营养和/或水分胁迫。对于大多数草，建议使用较小的分隔尺寸，以便直接将弹簧灌入7升的容器中。

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