多重抗除草剂苋菜化学防治研究进展

IF 1.8 4区 农林科学 Q2 PLANT SCIENCES Advances in Weed Science Pub Date : 2022-01-01 DOI:10.51694/advweedsci/2022;40:amaranthus009
G.B.P. Braz, H. Takano
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引用次数: 3

摘要

苋属植物是危害全球粮食生产的重要农业杂草。一些生物学特性使这些植物在环境中茁壮成长,并造成许多作物的重大产量损失。在美洲最重要的7种苋属植物中,有4种的种群对一种以上的作用方式具有抗性(A. hybridus、A. palmeri、A. retroflexus和A. viridis)。虽然苋属植物普遍存在多重抗除草剂现象,但化学防治仍是防治这些杂草的最重要手段之一。在这篇综述中,我们从多个来源收集了不同除草剂在苋属植物管理中最常用的作用模式下的功效数据。讨论了PRE和POST两种除草剂,以及使用它们时应考虑的关键因素。残留PRE除草剂在管理苋属植物时具有几个优点。这些除草剂可以避免作物发育初期杂草的干扰,为后期杂草控制提供更有利的条件。此外,包括PRE除草剂允许添加作为POST处理不可用的替代作用方式。大多数POST除草剂对杂草大小和抗除草剂状态有限制。在杂草生长早期施用后置除草剂对获得有效效果至关重要。最后,杂草管理的可持续性取决于除草剂。因此,除草剂的使用应与其他杂草防治方法相结合,以避免除草剂抗性进化。
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Chemical control of multiple herbicide-resistant Amaranthus: A review
: Plants of the genus Amaranthus are important agricultural weeds that compromise food production worldwide. Several biological characteristics make these plants thrive in the environment and cause significant yield losses in many crops. Among the seven most important Amaranthus species in the Americas, four have populations with resistance to more than one mode of action ( A. hybridus , A. palmeri , A. retroflexus , and A. viridis ). While multiple herbicide-resistance in Amaranthus species is widespread, chemical control remains as one of the most important tools against those weeds. In this review, we compiled data from multiple sources on the efficacy of different herbicides across the most common modes of action that are used in Amaranthus management. Both PRE and POST herbicides are discussed, as well as the key factors to be considered when using each one of them. Residual PRE herbicides bring several advantages when managing Amaranthus species. These herbicides can avoid weed interference in the initial stages of crop development and provide a more favorable situation for weed control in POST. In addition, including PRE herbicides allows for the addition of alternative modes of action that are not available as POST treatments. Most POST herbicides have limitations regarding weed size and herbicide resistance status. Applying POST herbicides at the early growth stage of weeds is crucial to obtain efficacy. Finally, weed management sustainability depends on herbicides. Therefore, herbicide use should be combined with other weed control methods to avoid herbicide resistance evolution.
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来源期刊
Advances in Weed Science
Advances in Weed Science PLANT SCIENCES-
CiteScore
2.10
自引率
42.90%
发文量
25
期刊最新文献
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