Guohui Shen's research while affiliated with Shanghai Academy of Agricultural Sciences and other places
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Publications (8)
Background
Indian jointvetch (Aeschynomene indica) is a common and pernicious weed found in the upland direct-seeding rice fields in the lower reaches of the Yangtze River in China. However, there are few reports on the degree of harm, genetic characteristics, and management methods of this weed. The purpose of this study is to clarify the harm of...
Ammannia arenaria and A. multifloras, morphologically similar at the seedling stage, are the most common broad-leaved weeds in paddy fields. Our study showed that A. arenaria occupied more space than A. multifloras when competing with rice. However, A. multifloras germination has lower temperature adaptability. No difference in sensitivity to commo...
Echinochloa crus-galli var. crus-galli, E. crus-galli var. zelayensis, and E. glabrescens, morphologically similar at the seedling stage, are the most pernicious barnyard grass species in paddy fields worldwide. Chloroplast (cp) genomes could be conducive to their identification. In this study, we assembled the complete cp genome sequences of Echin...
Barnyardgrass (a monocotyledon) and yerbadetajo (a dicotyledon) are the most troublesome weeds in rice fields in China. The synthetic auxin herbicide florpyrauxifen-benzyl can effectively control both weeds. The objective of this research was to clarify modes of action of florpyrauxifen-benzyl in barnyardgrass and yerbadetajo. Our results showed th...
To check if it is possible for crayfish to reduce the weed biomass in a paddy field, we hypothesised that crayfish can feed on common weeds in a paddy field. The feeding ability of red swamp crayfish, Procambarus clarkii, males and females for 4 weeds, Ludwigia prostrata Roxb., Leptochloa chinensis (L.) Nees, Echinochloa crusgalli (L.) Beauv and Ec...
Chinese sprangletop (Leptochloa chinensis %#91;L.%#93; Nees) is an invasive and troublesome grass weed in the aerobic rice fields in China. The extensive and repeated use of acetyl-CoA carboxylase (ACCase)-inhibiting herbicides has resulted in herbicide resistance in this weed. The objectives of this study were to determine the resistance levels to...
Echinochloa crusgalli and Cyperus difformis are malignant weeds in rice fields and a significant threat to rice production. To determine the interaction effects of E. crusgalli and C. difformis on the yield, eco-economic thresholds and control period of rice, field experiments were performed for two consecutive years (2017–2018) to study rice yield...
Citations
... accessed March 24, 2023). Detailed sequencing and assembly methods are described in our previous study [34]. ...
... FPB was introduced into Korea in 2018, and Lim et al. (2021) reported that the GR 50 of FPB to 70 barnyardgrass populations ranged from 6.2 to 16.1 g ai ha −1 ; moreover, these populations were collected from paddy fields of different provinces between 2006 and 2016. Gao et al. (2022) reported that the GR 50 of FPB to a barnyardgrass population was 4.1 g ai ha -1 . In the United States, FPB-resistant barnyardgrass populations collected in 2018 have also been reported (Hwang et al. 2022a(Hwang et al. , 2022b. ...
... genome of Indian jointvetch for the first time in this study, demonstrating a typical tetrad structure, including genes encoding proteins, tRNAs, and rRNAs, similar to the cp. genomes reported in other plants [22,34,41]. The complete cp. ...
... For the latter, a comparison between three distinct model was done, concluding that the DeepLabv3 presented a better performance, besides being the one that needs the most computational resource. In a similar vein, Hu et al. [19] utilized the YOLOv4 architecture to identify 12 distinct types of weeds in a rice plantation. A comparative analysis with the YOLOv3 architecture was conducted, demonstrating enhancements in multiple metrics. ...
... The exact ED 50 values could not calculated for resistant R2 biotype due to high resistance to quizalofop and no 50% reduction in dry weight (Figure 2 Peng et al. 2020;Yuan et al. 2021;Zhang et al. 2022). ...
... This is especially alarming since barnyard grass, primarily found in rice but also widely planted in agricultural fields, is one of the top 15 weed species that can develop herbicide resistance, with cases recorded in 23 countries. In addition to its tillering solid capacity and profusion, this species is one of the most often reported concerns around the globe (Tian et al.,2020) because of its ecological and biological similarity to rice. ...
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