Panax notoginseng is a traditional Chinese medicinal plant. In this study, an endophytic fungus (Fusarium striatum) was isolated from a P. notoginseng embryo. This soil-born fungus can cause rotten roots; black, soft roots; fewer lateral roots and leaf wilt on P. notoginseng. Application of the fungicide pyraclostrobin can prevent P. notoginseng from developing such disease. This is the first report of root rot disease caused by F. striatum on P. notoginseng in China.
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Laura Raquel Orozco-Meléndez1, Ofelia Adriana Hernández-Rodríguez1, Oscar Cruz-Álvarez1, Loreto Robles-Hernández1, Graciela Dolores Ávila-Quezada1, Esteban Sánchez Chavez2, Damián Aarón Porras-Flores1, Dámaris Leopoldina Ojeda-Barrios1,*
Phyton-International Journal of Experimental Botany, Vol.91, No.1, pp. 1-12, 2022, DOI:10.32604/phyton.2022.016908
Abstract There are documentary records referring to paclobutrazol (PBZ) as a growth bioregulator that inhibits the gibberellin synthesis and its application increases yields in fruit and vegetable crop productions. Its agronomic management includes it as an emerging technology to reduce vigour, promote flower induction and flower development in fruit trees with increased economic returns. Its use is banned in some countries because of concerns about residues that can cause harmful effects on the environment. Therefore, the aim of this article was to collect, analyse and summarise relevant information on the use of PBZ in fruit tree production and its possible risks… More >
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Xuan Zhou1,2,3,#, Chongyu Luo1,2,3,#, Kuixiu Li1,2,3, Dan Zhu3, Lihui Jiang1,2,3, Lixia Wu1,2,3, Youchun Li3, Xiahong He1,2,3,*, Yunlong Du1,2,3,*
Phyton-International Journal of Experimental Botany, Vol.91, No.1, pp. 13-20, 2022, DOI:10.32604/phyton.2022.016972
Abstract Panax notoginseng is a traditional Chinese medicinal plant. Root rot of P. notoginseng is one of the most serious diseases affecting P. notoginseng growth and causes wilted leaves, fewer lateral roots and rotten roots. Root rot is a soil-borne disease, and mainly occurs from June to August in Yunnan Province when the temperatures are high and the air is humid. In this study, the endophytic fungal genus Fusarium isolate E-2018.1.22-#3.2 was obtained from a P. notoginseng embryo. Fusarium isolate E-2018.1.22-#3.2 was identified as Fusarium striatum based on morphological characteristics and molecular analysis. The fungus was found to have conidiophores and… More >
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Ali Abdelmoteleb1, Daniel Gonzalez-Mendoza2,*, Ahmed Mohamed Elbaalawy3
Phyton-International Journal of Experimental Botany, Vol.91, No.1, pp. 21-32, 2022, DOI:10.32604/phyton.2022.016227
（This article belongs to this Special Issue: Plant Physiology for Crop Production and Sustainable Agriculture)
Abstract The salinity stress is one of the most relevant abiotic stresses that affects the agricultural production. The present study was performed to study the improvement of the salt tolerance of tomato plants which is known for their susceptibility to salt stress. The present study aimed to assess to what extent strain Azospirillum brasilense (N040) and Saccharomyces cerevisiae improve the salt tolerance to tomato plants treated with different salt concentration. The inoculant strain A. brasilense (N040) was previously adapted to survive up to 7% NaCl in the basal media. A greenhouse experiment was conducted to evaluate the effect of this inoculation… More >
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Alejandro Ibarra-Sánchez, Juan Enrique Rodríguez-Pérez, Aureliano Peña-Lomelí, Clemente Villanueva-Verduzco, Jaime Sahagún-Castellanos*
Phyton-International Journal of Experimental Botany, Vol.91, No.1, pp. 33-43, 2022, DOI:10.32604/phyton.2022.016136
（This article belongs to this Special Issue: Plant Physiology for Crop Production and Sustainable Agriculture)
Abstract Synthetic varieties (SVs) are populations generated by randomly mating their parents. They are a good alternative for low-input farmers who grow onions, maize, and other allogamous crops since the seed produced by a SV does not change from one generation to the next. Although SV progenitors are commonly pure lines, in this case a synthetic (SynTC) whose parents are t three-way line crosses, a very common type of maize hybrid grown in Mexico, is studied. The aim was to develop a general and exact equation for the inbreeding coefficient of a SynTC 
SynTC because of its relationship with… More >
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Abdulkhaliq Alshoaibi*
Phyton-International Journal of Experimental Botany, Vol.91, No.1, pp. 45-55, 2022, DOI:10.32604/phyton.2022.016434
（This article belongs to this Special Issue: Plant Physiology for Crop Production and Sustainable Agriculture)
Abstract Pearl millet (Pennisetum spicatum (L.) Körn.) and maize (Zea mays L.) are C4 grass species grown for feeding humans and animals in Almadinah Almunawwarah, which is in the western part of Saudi Arabia. During the winter, the mean temperature, which drops to 14°C, represents a major problem for the growth of these species in this region. Therefore, the objectives of this research were to investigate the growth response and the photosynthetic performance of P. spicatum and Z. mays under a low temperature stress. The treatments involved daytime and nighttime temperatures of 14/12°C (low temperature) and 24/22°C (optimum temperature). The results… More >
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Haiwang Yue1, Jianwei Wei1, Junliang Xie1, Shuping Chen1, Haicheng Peng1, Hongmei Cao2, Junzhou Bu1,*, Xuwen Jiang3,*
Phyton-International Journal of Experimental Botany, Vol.91, No.1, pp. 57-81, 2022, DOI:10.32604/phyton.2022.017308
（This article belongs to this Special Issue: Plant Physiology for Crop Production and Sustainable Agriculture)
Abstract Facing the trend of increasing population, how to increase maize grain yield is a very important issue to ensure
food security. In this study, 28 nationally approved maize hybrids were evaluated across 24 different climatic conditions for two consecutive years (2018–2019). The purpose of this study was to select high-yield with stable genotypes and identify important agronomic traits for maize breeding program improvement. The results of this
study showed that the genotype ╳ environment interaction effects of the 12 evaluated agronomic traits was highly
significant (P < 0.001). We introduced a novel multi-trait genotype-ideotype distance index (MGIDI) to select
genotypes… More >
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Otilio Vázquez-Martínez1, Héctor Gordon Núñez-Palenius1,*, Eugenio M. Pérez-Molphe Balch2,*, Mauricio Valencia-Posadas1, Luis Pérez-Moreno1, Graciela M. L. Ruiz-Aguilar1, M. Gómez-Lim3
Phyton-International Journal of Experimental Botany, Vol.91, No.1, pp. 83-96, 2022, DOI:10.32604/phyton.2022.017281
（This article belongs to this Special Issue: Plant Physiology for Crop Production and Sustainable Agriculture)
Abstract In Mexico, there is a need to produce large quantities of plantlets for the establishment and replanting of blue (cv. azul) agave production areas. Most of these plots are within the origin denomination area (DOT, Spanish acronym) of the distilled product of this plant, known as tequila. The objective of this study was to develop an in vitro-propagation protocol for Agave tequilana Weber cv. azul using segmented stems in both: solid and liquid media. A disinfection and in vitro technique were developed to obtain shoots, through plantlets collected in commercial plots, which attained 100% surface-disinfection and budding rate. At the… More >
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Shafiul Islam, Lutful Hassan, Mohammad Anwar Hossain
Phyton-International Journal of Experimental Botany, Vol.91, No.1, pp. 97-114, 2022, DOI:10.32604/phyton.2022.017251
Abstract Tomato (Solanum lycopersicum L.) is called ‘the poor man’s orange’ due to its low price and improved nutritional values. An experiment was conducted to study the breeding potential of some exotic tomato lines by assessing various qualitative and quantitative traits conferring yield and quality attributes. Among the qualitative traits, greater variability was observed for growth type, stem hairiness, and fruit shape and size. A determinate growth habit was observed in the genotype AVTO9802 while the genotype AVTO0102 produced yellow color fruits. A significant (p ≤ 0.01) variation was also observed for the studied quantitative traits. Based on yield and traits… More >
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Yuanyuan Liu, Zhen Li, Lie Xu, Qiang Fu*, Yongjian Wang
Phyton-International Journal of Experimental Botany, Vol.91, No.1, pp. 115-128, 2022, DOI:10.32604/phyton.2022.015395
（This article belongs to this Special Issue: Plant Ecophysiology: Recent Trends and Advancements)
Abstract A key scientific challenge relating to the threat of invasive plants on agriculture at the region level is to understand their adaptation and evolution in functional traits. Leaf functional traits, related to growth and resource utilization, might lead to adaptation of invasive plants to the geographical barriers (region or elevation). In the field experiment, we discussed the effects of region and elevation on leaf functional traits on invasive plant Erigeron annuus in farmland habitats in China. We compared leaf size, coefficient of variation (CV) of leaf traits, and fluctuating asymmetry (FA) of E. annuus from three regions (east vs. center… More >
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Yujie Yang1, Chengshi Huang2, Zuguo Ge3, Bengeng Zhou4, Guangju Su4, Chunling Liu4, Yongjun Fei1,*
Phyton-International Journal of Experimental Botany, Vol.91, No.1, pp. 129-148, 2022, DOI:10.32604/phyton.2022.016704
（This article belongs to this Special Issue: Plant Ecophysiology: Recent Trends and Advancements)
Abstract Drought stress negatively impacts growth and physiological processes in plants. The foliar application of glycine betaine (GB) is an effective and low-cost approach to improve the drought tolerance of trees. This study examined the effect of exogenously applied GB on the cell membrane permeability, osmotic adjustment, and antioxidant enzyme activities of Phoebe hunanensis Hand.-Mazz under drought stress. Two levels (0 and 800 mL) of water irrigation were tested under different applied GB concentrations (0, 50, 100, and 200 mM). Drought stress decreased the relative water content by 58.5% while increased the electric conductivity, malondialdehyde, proline, soluble proteins, soluble sugars, and antioxidant… More >
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