Comparing the emergence of <i>Echinochloa crus‐galli</i> populations in different locations. Part II: similarities and threshold parameters

Royo‐Esnal, Aritz; Onofri, Andrea; Taab, Alireza; Loddo, Donato; Ņečajeva, Jevgenija; Uludağ, Ahmet; Synowiec, Agnieszka; Calha, I.; Andersson, Lars; Jensen, Peter Kryger; Üremiş, İlhan; Economou, George; Murdoch, A. J.; Tørresen, Kirsten

doi:10.1111/wre.12529

Cited by 9 publications

(10 citation statements)

References 32 publications

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“…This paper focusses on the results obtained with the two common populations, while the similarities and differences in emergence patterns of the local populations will be reported elsewhere (Royo-Esnal et al, 2022).…”

Section: Seed Collectionmentioning

confidence: 99%

Comparing the emergence of Echinochloa crus‐galli populations in different locations. Part I: Variations in emergence timing and behaviour of two populations

et al. 2022

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Echinochloa crus-galli (L.) P. Beauv. is one of the most important weeds. It is distributed worldwide and has adapted to diverse habitats and climatic conditions. This study aimed to compare the emergence patterns of two populations of E. crus-galli from different environments at 11 locations across Europe and the Middle East. Seeds of the two populations were collected from maize in Italy and from spring barley in Norway and were then buried in soil in autumn 2015. In the spring of 2016, the soil was disturbed around the usual seedbed preparation date in each location and emergence was recorded. The soil was again disturbed a year later and emergence was recorded for a second season. Total emergence, the times of onset, end and to 50% emergence and the period between 25% and 75% of emergence were analysed by | 193 ROYO-ESNAL Et AL.

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Section: Seed Collectionmentioning

confidence: 99%

Comparing the emergence of Echinochloa crus‐galli populations in different locations. Part I: Variations in emergence timing and behaviour of two populations

et al. 2022

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“…Widespread weeds appear to be more adaptable to diverse habitats and climatic conditions. For instance, Italian and Norwegian E. crus‐galli populations showed differences in emergence and emergence patterns, but those are similar to populations from similar climates and/or latitudes (Royo‐Esnal et al, 2022). The variability of weeds in different environments may increase the difficulty of weed control.…”

Section: Discussionmentioning

confidence: 93%

“…In addition to ecotype effects, the milder winter temperature in Mosul is more conducive to the accumulation of temperature required for sprouting, which may explain why purple nutsedge from Mosul can sprout in a lower temperature. Similar to Portugal, Echinochloa crus‐galli can emerge during autumn‐winter (Royo‐Esnal et al, 2022). Increasing the temperature from 25 to 40°C did not significantly affect the sprouting percentage but gradually reduced the time to onset of sprouting and the time to reach 80% sprouting ( t 80 ).…”

Section: Discussionmentioning

confidence: 99%

Identification of purple nutsedge (Cyperus rotundus L.) ecotypes and the effect of environmental factors on tuber sprouting in China

Du¹,

Gao

Qu³

et al. 2022

Weed Research

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Purple nutsedge (Cyperus rotundus L.) is a widely distributed weed. To evaluate the effect of environmental factors on tuber sprouting in different ecotypes, an intersimple sequence repeat (ISSR)-based genetic analysis approach was used to assess the genetic relatedness among 24 purple nutsedge populations collected in China.Twenty-one ISSR primers were selected to generate 167 scorable bands. The percentage of polymorphic bands (PPB) was 97%, indicating a high level of genetic diversity, and the cluster results largely coincided with the geographical locations. Three ecotypes, HN-1, HB-1 and SD-1 (collected from Hai'nan Island, central China and northern China, respectively), with large genetic and geographic distances from each other, were selected to assess variation in the purple nutsedge sprouting trait. Compared with the other ecotypes, ecotype SD-1 showed the highest sprouting capacity at constant 15 C and at 10/20 C, and the shortest time to reach 80% sprouting (t 80 ) at constant 20 C and at 15/25 and 20/30 C. The sprouting percentage was very high (95%-98.8%) and without significant differences between the three ecotypes over a pH range between 5 and 9. The osmotic potentials that caused 50% inhibition of the maximum sprouting percentages of HN-1, HB-1 and SD-1 were À0.37, À0.43 and À0.44 MPa respectively. Ecotype SD-1 appeared to maintain a slightly higher sprouting percentage under osmotic stress, but the difference was not significant. These findings suggest that the higher tolerance to lower temperatures and drought of ecotype SD-1 might be an adaptation to lower winter temperature and drier climatic conditions in North China. Abundant genetic diversity may be a potential factor that endows purple nutsedge with strong environmental adaptability.

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“…In the analysis of the emergence patterns of different populations of E . crus‐galli , different base temperatures values for seedling emergence were suggested for two groups of countries: Scandinavian–Baltic (Norway, Sweden, and Latvia) and other sites located in Poland, Italy, Spain, Turkey, and Iran (Royo‐Esnal, Onofri, Taab, et al., 2022).…”

Section: Discussionmentioning

confidence: 99%

Phenological development of barnyard grass plants originating from different geographical locations

et al. 2022

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Barnyard grass [Echinochloa crus-galli (L.) Beauv] is a competitive C 4 weed species that is widely distributed throughout the world. Although it originated in warm climatic conditions, currently, it is found in Europe as far north as Norway. This study aimed to compare the phenological development of plants from different climatic conditions in varying environmental conditions. To represent the contrasting climatic conditions within Europe, seeds were collected in Norway and Italy, and distributed to the study participants, to be sown at 10 different sites as two common populations. In addition to that, seeds of two to three local populations were collected near each of the sites. The development of the plants was monitored in a pot experiment set up under field conditions. The time to reach heading in the first year of the experiment was 77.6% faster (ranging from 45.9 to 98.3% on average

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Comparing the emergence of Echinochloa crus‐galli populations in different locations. Part II: similarities and threshold parameters

Cited by 9 publications

References 32 publications

Comparing the emergence of Echinochloa crus‐galli populations in different locations. Part I: Variations in emergence timing and behaviour of two populations

Comparing the emergence of Echinochloa crus‐galli populations in different locations. Part I: Variations in emergence timing and behaviour of two populations

Identification of purple nutsedge (Cyperus rotundus L.) ecotypes and the effect of environmental factors on tuber sprouting in China

Phenological development of barnyard grass plants originating from different geographical locations

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