First record of the invasive species Rottboellia cochinchinensis (Poaceae, Andropogoneae) in the South Region of Brazil

Funez, Luís Adriano; Ferreira, João Paulo Ramos; Hassemer, Gustavo; Trevisan, Rafael

doi:10.15560/12.4.1930

Cited by 5 publications

(7 citation statements)

References 17 publications

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“…At the end of our current experiment (90 DAA), the heights ranged from 0.20 to 1.12 m respectively from the best (indazi am + diclosulam) to the worst treatment (control). The plant heights in the control treatment were not greater than those mentioned in the literature (Funez et al 2016;Spaunhorst 2020), because the evaluations were carried out up to 90 DAA, the initial phase of seed production.…”

Section: )mentioning

confidence: 99%

Managing itchgrass and morningglory in plant cane: a strong decision on associating herbicides for pre-emergence control

de Castro,

de Castro

et al. 2023

Preprint

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To enhance weed control in sugarcane systems, the application of herbicide association is widely practiced. This approach broadens the spectrum of weed control and ensures a successful sugarcane yield. Therefore, this study aimed to assess the efficacy of herbicide combinations in controlling Rottboellia exaltata (itchgrass) and Ipomoea quamoclit (morningglory) during pre-emergence while also evaluating the potential impact on the sugarcane variety RB85 5156. The experimental design employed a randomized block structure with seven treatments and four replications. The treatments were as follows: 1 - no herbicide application; 2 - indaziflam + sulfentrazone (120 + 750 g i.a ha− 1); 3 - indaziflam + diclosulam (120 + 110 g i.a ha− 1); 4 - indaziflam + tebuthiuron (120 + 900 g i.a ha− 1); 5 - flumioxazin + diclosulam (150 + 110 g i.a ha− 1), 6 - flumioxazin + pyroxasulfone (200 + 200 g i.a ha− 1) and 7 - clomazone + sulfentrazone (1,080 + 750 g i.a ha− 1). The following parameters were evaluated: percentage of itchgrass and morningglory control, green coverage percentage (Canopeo® system), weed biomass (g m− 2), and itchgrass height. Tiller counts were also assessed to characterize the effects of the herbicides on sugarcane plants. Several herbicide associations have been proven effective alternatives for managing itchgrass and morningglory. The most successful treatments for itchgrass control were indaziflam + tebuthiuron and indaziflam + diclosulam, whereas for morningglory, the top performers were indaziflam + sulfentrazone, indaziflam + diclosulam, indaziflam + tebuthiuron, flumioxazin + diclosulam, and clomazone + sulfentrazone. All treatments significantly reduced the weed biomass, with indaziflam + tebuthiuron being the safest option for protecting sugarcane.

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Section: )mentioning

confidence: 99%

Managing itchgrass and morningglory in plant cane: a strong decision on associating herbicides for pre-emergence control

de Castro,

de Castro

et al. 2023

Preprint

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“…The weed could make the land infertile if it is not controlled in a timely manner. Imperata cylindrical (L.) P. Beauv is one of the top invasive worst weed in the world and causes severe damage to the date palm and sugarcane fields of Iran [40].…”

Section: Effect On Crops By Invasive Alien Weed Speciesmentioning

confidence: 99%

The Rising Threat of Invasive Alien Plant Species in Agriculture

Arun¹,

Kumar²,

Sreedevi³

et al. 2023

Resource Management in Agroecosystems

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A species is considered to be invasive if it establishes, persists, and spreads widely inside a natural ecosystem, stunting the growth of native plants and giving them room to overtake crops and native plants. Non-native plant species that have been brought into a new geographic area and have a negative effect on the ecosystems supporting horticulture and agriculture are known as invasive plant species. Invasive/noxious weeds, which are widely distributed in many types of ecosystems, significantly reduce crop production. Compared to native species, invading plant species have a higher potential to move their niche more rapidly and are more likely to adapt to new environments. The timing, speed, and longevity of seed germination have indeed been discovered to change as a result of climate change, which has consequences for plant invasions. More than native plant species, invasive plant species gain from atmospheric carbon dioxide (CO2) enrichment, greenhouse gas emissions, and global warming. A loss of native biodiversity due to invasive species includes species extinction, changes in hydrology, and altered ecosystem function.

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“…Seed introduced into Florida and Louisiana likely occurred in the early to mid-1900s at ports, and several infestations thereafter were reported near railroad tracks (Hall and Patterson 1992;Millhollon 1983). A recent report suggested R. cochinchinensis infestations have expanded southward along roadsides in Santa Catarina state, southern Brazil, and in Nigeria, Maize yellow mosaic virus was reported infecting R. cochinchinensis in sugarcane (Funez et al 2016;Yahaya et al 2017). Rottboellia cochinchinensis has become ubiquitous in Louisiana, particularly in areas under sugarcane cultivation.…”

Section: Introductionmentioning

confidence: 99%

“…Rottboellia cochinchinensis has become ubiquitous in Louisiana, particularly in areas under sugarcane cultivation. Drainage ditch banks, floodwater, infested seed cane fields, and agricultural machinery are common sources of R. cochinchinensis seed introduction to noninfested areas (Freshwater et al 1986;Millhollon 1980). Although R. cochinchinensis has negligible impact on yield of soybean in the Midwest and northern United States due to limited distribution and effective POST soybean herbicides, the weed is problematic in Louisiana where sugarcane is cultivated (Griffin 1991;Millhollon 1992Millhollon , 1993Nester et al 1984).…”

Section: Introductionmentioning

confidence: 99%

Influence of establishment timing on growth and fecundity of two itchgrass (Rottboellia cochinchinensis) biotypes grown in Louisiana

Spaunhorst

2020

Weed Sci

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Itchgrass [Rottboellia cochinchinensis (Lour.) W.D. Clayton] is among the most troublesome weeds in subtropical climates where sugarcane (Saccharum spp. interspecific hybrids) is cultivated. Two R. cochinchinensis biotypes commonly infest sugarcane in Louisiana. The Louisiana-1 biotype is daylength neutral, but Louisiana-2 flowered when daylength decreased to 13 h. Coupled with biotype diversity, seedling emergence has been reported to occur earlier in the growing season, as sugarcane emerged from winter dormancy. Both R. cochinchinensis biotypes were established in a common garden experiment in Louisiana during periods of sugarcane development and field preparation to simulate discontinuous emergence. Plant height and raceme production were recorded weekly for each biotype and establishment timing; aboveground biomass was harvested in autumn. Louisiana’s subtropical humid climate stimulated rapid plant growth that typically began in May and persisted through September. Without sugarcane competition, maximum R. cochinchinensis heights for Louisiana-1 and Louisiana-2 were 206 and 179 cm and growing degree days to 20-cm height in 2017 ranged from 546 to 832 and 865 to 1,160, respectively. Slower initial growth reported with Louisiana-2 would allow more time for growers to treat escaped plants with POST herbicides. Total raceme production, by autumn, was zero for Louisiana-2 established in June or later, but Louisiana-1 established in June produced up to 202 racemes. The present study demonstrated the importance of managing the Louisiana-2 biotype in March and April to limit seed production, but fields infested with Louisiana-1 were at greater risk for potential crop yield loss, because plants produced high quantities of seed when established over a wide period of time.

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First record of the invasive species Rottboellia cochinchinensis (Poaceae, Andropogoneae) in the South Region of Brazil

Cited by 5 publications

References 17 publications

Managing itchgrass and morningglory in plant cane: a strong decision on associating herbicides for pre-emergence control

Managing itchgrass and morningglory in plant cane: a strong decision on associating herbicides for pre-emergence control

The Rising Threat of Invasive Alien Plant Species in Agriculture

Influence of establishment timing on growth and fecundity of two itchgrass (Rottboellia cochinchinensis) biotypes grown in Louisiana

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