Are prohexadione calcium and Pseudomonas fluorescens a solution to limit the spread of annual bluegrass (Poa annua L.) on football pitches?

IF 2.2 4区 农林科学 Q2 HORTICULTURE Folia Horticulturae Pub Date : 2021-09-07 DOI:10.2478/fhort-2021-0021
T. Bohinc, Barbara Zanelli, M. Vidrih, S. Trdan
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引用次数: 1

Abstract

Abstract In 2020, a greenhouse experiment was conducted to investigate the suppression of annual bluegrass (Poa annua), which is a difficult weed to manage in cool-season in turfgrass mixtures on football pitches. The efficacy of prohexadione calcium (Pc), ethephon (Eth) and Pseudomonas fluorescens against P. annua, Lolium perenne and Poa pratensis was tested, as the latter two most commonly occur in turfgrass mixtures on football pitches. Mesotrione (Mes) was used as a positive control, and nontreated grass was used as a negative control. Only a single grass species was sown in each pot. Treatments were randomly distributed for two experiments conducted separately: first – unmown grass before the beginning of spraying and second – grass mowed before the beginning of spraying. In both experiments, plant height and the number of tillers were measured/counted several times during the growing season. In both experiments, grasses were sprayed six times with Pc, Eth and P. fluorescens, while Mes was applied twice. Based on the performed study, the efficacy of the tested products is connected to grass species and whether the grass was mowed/cut before spraying. It has been detected in the present study that spraying with Pc could reduce the height of annual bluegrass, while spraying with P. fluorescens has reduced the number of tillers. Spraying was more effective on grasses that were mowed/cut before the beginning of spraying. Mes should cause severe damage to annual bluegrass but without confirmation in this study. Results of this study have indicated that the application of Pc and P. fluorescens can inhibit the spread of annual bluegrass in football pitches; however, testing their effectiveness against P. annua under field conditions should be performed as well.
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前己二酮钙和荧光假单胞菌是限制足球场上一年生蓝草(Poa annua L.)传播的解决方案吗?
摘要2020年,进行了一项温室实验,以研究对一年生早熟禾(Poa annua)的抑制作用。早熟禾是足球场上草坪草混合物中一种在凉爽季节难以管理的杂草。测试了前六酮钙(Pc)、乙烯利(Eth)和荧光假单胞菌对P.annua、Lolium perenne和Poa pratensis的效力,因为后两种最常见于足球场上的草坪草混合物中。Mes作为阳性对照,未处理的草作为阴性对照。每个花盆里只播种一种草。对分别进行的两个实验随机分配处理:第一个是在喷洒开始前割草,第二个是在开始喷洒前割草。在这两个实验中,在生长季节对株高和分蘖数进行了多次测量/计数。在这两个实验中,草被喷洒了六次Pc、Eth和P.fluorescens,而Mes被喷洒了两次。根据所进行的研究,测试产品的功效与草种以及喷洒前是否割草有关。本研究发现,喷洒Pc可以降低一年生蓝草的高度,而喷洒荧光假单胞菌可以减少分蘖数量。喷洒对在喷洒开始前割草/割草的草更有效。梅斯应该会对一年生蓝草造成严重损害,但在本研究中没有得到证实。本研究结果表明,荧光粉和荧光粉的应用可以抑制足球场中一年生蓝草的传播;然而,也应该在田间条件下测试它们对P.annua的有效性。
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来源期刊
Folia Horticulturae
Folia Horticulturae Agricultural and Biological Sciences-Horticulture
CiteScore
3.40
自引率
0.00%
发文量
13
审稿时长
16 weeks
期刊介绍: Folia Horticulturae is an international, scientific journal published in English. It covers a broad research spectrum of aspects related to horticultural science that are of interest to a wide scientific community and have an impact on progress in both basic and applied research carried out with the use of horticultural crops and their products. The journal’s aim is to disseminate recent findings and serve as a forum for presenting views as well as for discussing important problems and prospects of modern horticulture, particularly in relation to sustainable production of high yield and quality of horticultural products, including their impact on human health.
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