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Hophornbeam Copperleaf (Acalyha ostryifolia) Biology and Control

机译:霍普霍恩束铜叶(Acalypha ostryifolia)生物学与控制

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摘要

Little is known about the biology and control of hophornbeam copperleaf, a weed of increasing importance in the Midwest. More than 2 wk of cold stratification and a 0.2/100 KNO_3 solution increased germination of hophornbeam copperleaf. Germination at constant 30 C was 47/100 and alternating 30/20 C was 65/100. Scarification did not increase hophornbeam copperleaf germination. Within the first 600 growing degree days after soybena planting, plant height, leaf area, and dry Matter accumulation of hophornbeam copperleaf grown in soybean and alone were similar.
机译:关于霍普霍恩束铜叶的生物学和控制知之甚少,这种植物在中西部越来越重要。超过2 wk的冷分层和0.2 / 100 KNO_3溶液增加了蛇麻草铜叶的发芽率。在恒定的30 C下发芽为47/100,在30/20 C交替下为65/100。划痕并没有增加蛇麻木铜叶的发芽。在大豆种植后的前600个生长日内,大豆和单独种植的鹅掌be铜叶的株高,叶面积和干物质积累相似。

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