Ecological pest management and control by using allelopathic weeds (Ageratum conyzoides, Ambrosia trifida, and Lantana camara) and their allelochemicals in China

Kong, Chui Hua

doi:10.1111/j.1445-6664.2010.00373.x

Cited by 34 publications

(26 citation statements)

References 55 publications

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“…Rather than morphological adaptations, chemical protections, such as leaf-coating resins, are important in ragweeds: Ambrosia species characteristically possess glandular trichomes, especially on the lower leaf surfaces but also on stems, thus producing resinous excreta rich in secondary metabolites such as sesquiterpenes and flavonoids (Mitchell et al, 1971;Wollenweber et al 1987;. In general, like many other Asteraceae (Heinrich et al, 1998), Ambrosia species can biosynthesize many types of secondary metabolites (Hodgins et al, 2013;Wan et al, 2002;Wang et al, 2005;Kong, 2010;Sülsen et al, 2008Sülsen et al, , 2013) that contribute to protecting plants from abiotic and biotic perturbations (Table 4) Parts of plants and seeds can be included in the diet of several wild mammals, birds and insects, and due to secondary metabolites ragweed species are unpalatable for cattle that only resort to eating the plants when there is no alternative forage (Marten and Andersen, 1975;Reece et al, 2004;Bullock et al, 2012). It is worth noting that many authors (Gerber et al 2011;Essl et al, 2015;Goeden and Ricker, 1976) have pointed out that Ambrosia species are attacked by specialized parasites that affect their life cycles in their native range, rather than in their invasive range where the parasites are less specialized and the damage inflicted is often not relevant.…”

Section: Resistancementioning

confidence: 99%

“…Most studies relate to A. artemisiifolia (Rice, 1965;Bullock et al, 2012;Vidotto et al, 2013) and A. trifida (Wang et al, 2005;Kong et al, 2007), which have been taken into account as a potential bioherbicide (Kong, 2010;Molinaro et al, 2016). However, allelopathy is known also for A. psilostachya (Neill and Rice, 1971;Dalrymple and Rogers, 1983) and A. tenuifolia (Mongelli et al, 1997).…”

Section: Resistancementioning

confidence: 99%

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The Worldwide Spread, Success, and Impact of Ragweed (Ambrosiaspp.)

Montagnani

Gentili

Smith

et al. 2017

Critical Reviews in Plant Sciences

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Ambrosia species represent one of the most problematic groups of invasive weeds around the world. The ease they are introduced and spread in new countries, their generalist ecological requirements and functional traits facilitate their invasion and subsequent naturalization in new areas. All of these aspects contribute to increasing their global social and economic impact, which is mostly related to pollen allergy. Here we analyse available scientific publications about Ambrosia artemisiifolia, A. psilostachya, A. tenuifolia and A. trifida, with the aim of defining the current level of knowledge and summarizing important data that is currently scattered throughout the literature. Specifically, we analysed the following: (1) their current global distribution and current stage of invasion; (2) traits and requirements promoting their introduction, reproductive success and adaptation to climate and environment in the non-native range; as well as (3) current knowledge about allergens and elements increasing their impact.

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Section: Resistancementioning

confidence: 99%

Section: Resistancementioning

confidence: 99%

The Worldwide Spread, Success, and Impact of Ragweed (Ambrosiaspp.)

Montagnani

Gentili

Smith

et al. 2017

Critical Reviews in Plant Sciences

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“…In addition to the concern with weed management, due to the high number of cases of resistance to herbicides, there is also pressure from society to produce healthier foods (Kong 2010). The need for new management methods such as cultural, physical, biological, preventive, mechanical and integrated, aiming at higher efficiency in the control of weeds becomes essential (Rizzardi 2011).…”

Section: Introductionmentioning

confidence: 99%

“…Thus, allelopathy can be an important tool in the management of certain weed species in crops. (Rezende et al 2003, Kong 2010.…”

Section: Introductionmentioning

confidence: 99%

Allelopathy of weeds on the growth of vegetables

Rezendes¹,

Baseggio²,

Galon³

et al. 2020

Commun. Plant Sci.

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The use of allelopathy emerges as an alternative method for weed management in crops, especially in small vegetable producing properties. Thus, the objective of this work was to identify possible allelopathic effects of aqueous extracts of the weeds Cyperus difformis L. (small-flowered nutsedge), Commelina benghalensis L. (benghal dayflower) and Galinsoga parviflora Cav. (gallant soldier) on seed germination and seedling growth of Lactuca sativa L. (lettuce) and Lycopersicum esculentum L. (tomato). Two experiments were carried out in a completely randomized design with five replications, the first with lettuce seeds and the second with tomato seeds submitted to germination in five concentrations of weeds aqueous extracts (0, 25, 50, 75 and 100%). All treatments with aqueous extracts of the three species, at different concentrations, caused a reduction in lettuce and tomato root length. There was a reduction in most of the evaluated variables, and seed germination of the crops had the lowest influence of the extracts. The weeds benghal dayflower, small-flowered nutsedge and gallant soldier showed allelopathic potential on lettuce and tomato crops. This potential allelopathic effect is directly related to the concentration and type of extract from the plant species. In general, it can be noted that the greatest allelopathic effect occurred with the use of small-flowered nutsedge extract, followed by gallant soldier and benghal dayflower. Highlighted Conclusions 1. Weeds C. benghalensis, C. difformis and G. parviflora show allelopathic potential on the growth of L. sativa and L. esculentum. 2. Highest allelopathic effect is caused by the extract of C. difformis, followed by G. parviflora and C. benghalensis. 3. The potential allelopathic effect of weeds is directly related to the plant species used, as well as to the concentration of the aqueous extract present in the environment.

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“…ILNS Volume 56 inhibition against emergence of other weeds in fields [51]. Allelochemicals isolated from this weed consisted of essential oils [52], ageratochromene and its hydroxyl derivatives, and flavones [53,54], and the two dimmers [55], and phenolic acids included p-coumaric acid, sinapic acid, and benzoic acid [51].…”

mentioning

confidence: 99%

Weed Allelochemicals and Possibility for Pest Management

Xuan

Anh

Khang

et al. 2016

ILNS

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Purpose: Weed interference is a constraint in agricultural practice. The crop-weed interaction has been extensively described in literature, but the weed-weed interaction and their potential usage in crop production have not much been understood. In this paper, the interactions of allelochemicals of the weeds which cause troublesome in crop production and ecosystem against weeds, crops, and pathogens are described.Principal results: Weed allelochemicals are classified into many chemical classes, and the majority is consisting of phenolics acids, alkaloids, terpenes, flavonoids, long chain fatty acids, lactones, and other volatile compounds. Type of weed allelochemicals and their doses are varied among weed species. Some allelochemicals such as catechin (+/-) have been reported to be responsible for weed invasiveness. Some crops exude germination stimulants to parasitic weeds such asStrigaspp. andOrobanchespp. In contrast to their negative impacts on crop production, many weeds can be exploited as promising sources to control harmful insects, fungi, bacteria, and weeds. For instance,Ageratum conyzoidesis a destructive weed in crop production, but it exerted excellent insecticidal, antifungal, and herbicidal capacity and promoted citrus productivity inA. conyzoidesintercropped citrus orchards.Major conclusions: In general, weeds compete with crops by chemical pathway by releasing plant growth inhibitors to reduce crop growth. Weed allelochemicals may be successfully exploited for pest and weed controls in an integrated sustainable crop productoiin. Some weed allelochemicals are potent for development of natural pesticides.

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Ecological pest management and control by using allelopathic weeds (Ageratum conyzoides, Ambrosia trifida, and Lantana camara) and their allelochemicals in China

Cited by 34 publications

References 55 publications

The Worldwide Spread, Success, and Impact of Ragweed (Ambrosiaspp.)

The Worldwide Spread, Success, and Impact of Ragweed (Ambrosiaspp.)

Allelopathy of weeds on the growth of vegetables

Weed Allelochemicals and Possibility for Pest Management

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