Russian thistle (Salsola spp.) control in California rangelands over five years

IF 1.3 4区生物学 Q3 PLANT SCIENCES

Invasive Plant Science and Management Pub Date : 2022-03-01 DOI:10.1017/inp.2022.9

Devii R. Rao, Katherine A. Hovanes, Richard B. Smith, Josh S Davy, E. Gornish

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引用次数: 0

Abstract

Abstract Russian thistle, also known as tumbleweed (Salsola spp.), is a problematic invasive plant found on natural and working landscapes. On a California rangeland, we tested the singular and interactive treatments of grazing, herbicide, and seeding to determine how these approaches might influence Salsola cover across a 5-yr experiment. Total Salsola cover declined by 3% annually during the study. A single spring treatment of chlorsulfuron + 2,4-D followed by glyphosate applied in the fall just before seeding, and then 2,4-D the following spring, significantly reduced Salsola cover compared with the untreated control. Seeded forage species cover increased over time and was significantly higher than seeded native species cover at 5 yr after seeding. However, the seeding treatment had no effect on Salsola cover. Although grazing did not reduce Salsola cover, due to the beneficial effects of grazing on reducing other nonnative species, this study supports the use of an integrated approach of herbicide application, grazing, and seeding to achieve management goals on an arid working landscape.

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俄罗斯蓟（Salsola spp.）在加州牧场的五年控制

摘要俄罗斯蓟，也称为风滚草（Salsola spp.），是一种在自然和工作景观中发现的有问题的入侵植物。在加利福尼亚州的一块牧场上，我们测试了放牧、除草剂和播种的单一和互动处理，以确定这些方法如何在5年的实验中影响猪毛菜的覆盖率。研究期间，猪毛菜总覆盖率每年下降3%。与未经处理的对照相比，单春处理氯磺隆+2,4-D，然后在播种前的秋季施用草甘膦，然后在第二年春天施用2,4-D，显著降低了猪毛菜的覆盖率。播种后5年，播种的牧草物种覆盖率随时间增加，显著高于播种的本地物种覆盖率。然而，播种处理对猪毛菜的覆盖率没有影响。尽管放牧并没有减少猪毛菜的覆盖率，但由于放牧对减少其他非本地物种的有益影响，本研究支持使用除草剂施用、放牧和播种的综合方法，以实现干旱工作区的管理目标。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Invasive Plant Science and Management PLANT SCIENCES-

CiteScore

2.20

自引率

9.10%

发文量

审稿时长

6-12 weeks

期刊介绍： Invasive Plant Science and Management (IPSM) is an online peer-reviewed journal focusing on fundamental and applied research on invasive plant biology, ecology, management, and restoration of invaded non-crop areas, and on other aspects relevant to invasive species, including educational activities and policy issues. Topics include the biology and ecology of invasive plants in rangeland, prairie, pasture, wildland, forestry, riparian, wetland, aquatic, recreational, rights-of-ways, and other non-crop (parks, preserves, natural areas) settings; genetics of invasive plants; social, ecological, and economic impacts of invasive plants and their management; design, efficacy, and integration of control tools; land restoration and rehabilitation; effects of management on soil, air, water, and wildlife; education, extension, and outreach methods and resources; technology and product reports; mapping and remote sensing, inventory and monitoring; technology transfer tools; case study reports; and regulatory issues.