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首页> 外文会议>Annual Meeting of the Plant Growth Regulation Society of America >Effects of paclobutrazol and trjnexapac-ethyl on creeping bentgrass root and stolon growth
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Effects of paclobutrazol and trjnexapac-ethyl on creeping bentgrass root and stolon growth

机译：紫杉泡菜和特里姆豆类 - 乙基对匍匐前进根系和匍匐茎生长的影响

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Plant growth regulators (PGRs) are commonly used for managing seedhead and/or vegetative growth in managed turfgrasses. In low maintained turf such as highway rights-of-way, herbicides are used at sublethal rates to reduce seedhead production whichreduces the mowing requirement. In highly maintained turfgrasses (golf courses, athletic fields, etc.), PGRs are used to reduce vegetative growth, improve turf quality, and/or to reduce infestations of annual bluegrass (Poa annud). For the most part, PGRs used in highly maintained turf reduce vegetative growth by temporarily inhibiting GA biosynthesis in plants. Paclobutrazol and trinexapac-ethyl are commonly used on golf course putting greens. Paclobutrazol is rootabsorbed and is used primarily to reduce infestations of annual bluegrass. Trinexapac-ethyl is used primarily to manage vegetative growth of creeping bentgrass. There is also some evidence that this product may increase root growth. As a result, the manufacturer promotes this product, in part, by claiming trinexapac-ethyl improves stress tolerance of creeping bentgrass. Because creeping bentgrass can suffer tremendous root loss in summer, the effects of these GA inhibitors on root growth is extremely important to turfgrass managers. In addition, the effects of these PGRs on lateral growth is important, because creeping bentgrass recovers from injury by regrowth from stolons.
机译：植物生长调节剂（PGR）通常用于管理拍摄的草坪草地和/或植物生长。在低维护的草皮中，如公路的权利，除草剂以核对速率使用，以减少苗头生产，这使得割草要求。在高度维护的草坪草（高尔夫球场，运动场等）中，PGRS用于降低营养生长，提高草皮质量，和/或减少年度蓝草的侵染（POA Annud）。在大多数情况下，在高度维持的草皮中使用的PGR通过暂时抑制植物中的GA生物合成来降低营养生长。 Paclobutrazol和Trinexapac-乙基通常用于浇筑的高尔夫球场。 Paclobutrazol是根本吸收的，主要用于减少每年蓝草的侵染。 Trinexapac-乙基主要用于管理爬行Bentgrass的营养生长。还有一些证据表明该产品可能会增加根系生长。结果，制造商部分地促进该产品，部分地通过要求克拉帕克拉乙基提高蠕动本草的应力耐受性。由于夏季匍匐本尔草遭受巨大的根损失，因此这些GA抑制剂对Turfgrass经理的根本增长的影响对Turefrass经理非常重要。此外，这些PGR对横向生长的影响很重要，因为匍匐前进通过匍匐茎再次恢复伤害。

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