Plant Species Biology最新文献_第4页

Damage in a saguaro (Carnegiea gigantea) population in the El Pinacate and Gran Desierto de Altar Biosphere Reserve, Sonora, Mexico 在El Pinacate和Gran Desierto de Altar生物圈保护区，墨西哥索诺拉，美洲鳄(Carnegiea gigantea)种群的损害

IF 1.4 4区生物学

Plant Species Biology Pub Date : 2023-08-28 DOI: 10.1111/1442-1984.12434

C. Jiménez-Sierra, Erika Arroyo‐Pérez, M. L. Matias-Palafox, D. Jiménez, A. B. Solorio, Alejandra Quintanar-Isaías, María de los Ángeles González‐Adán, Benito Quesada

{"title":"Damage in a saguaro (Carnegiea gigantea) population in the El Pinacate and Gran Desierto de Altar Biosphere Reserve, Sonora, Mexico","authors":"C. Jiménez-Sierra, Erika Arroyo‐Pérez, M. L. Matias-Palafox, D. Jiménez, A. B. Solorio, Alejandra Quintanar-Isaías, María de los Ángeles González‐Adán, Benito Quesada","doi":"10.1111/1442-1984.12434","DOIUrl":"https://doi.org/10.1111/1442-1984.12434","url":null,"abstract":"The saguaro is an endemic and emblematic columnar cactus of the Sonoran Desert that offers refuge and food to different species. Climate change and increased ultraviolet exposure are threatening this species. Although reports of an increase in “epidermal browning” in saguaro populations in the United States have been published, to the best of our knowledge, no studies of this or other types of damage to Mexican saguaro populations are available. The present research is the first report of its kind performed in a saguaro population in the El Pinacate and Gran Desierto de Altar Biosphere Reserve (Sonora, Mexico). Seven types of damage were evaluated and classified in saguaro stems: cactus cortical scaling (CCS = epidermal browning), girdling, shell, exposed root, eyelet, termite tubes, and topping cuts. In addition, an anatomical comparison of healthy and CCS‐damaged tissues is presented. Shell was the most frequent type of damage (91% of individuals), followed by CCS (73%). Girdling occurred mainly in small organisms. Shell, exposed root, eyelet, and termite tubes tended to occur more frequently in larger organisms, whereas CCS tended to be more evenly distributed among differently sized individuals. Of all individuals, 3.3% were undamaged, 89.2% were moderately damaged, and 7.5% were highly damaged. CCS damage causes differences in the composition of the tissues, as well as in stomata distribution, thus compromising the photosynthetic function of the stem. The snapshot of the state of the individuals provided in the present study highlights the need for longer‐term studies considering the long life cycle of the saguaro to develop conservation strategies.","PeriodicalId":54601,"journal":{"name":"Plant Species Biology","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46516899","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of osmotic stress and salinity on germination and mucilage expansion of seeds of Plantago albicans L. (Plantaginaceae): Inter‐population variation 渗透胁迫和盐度对白车前草种子萌发和粘液扩张的影响:群体间变异

IF 1.4 4区生物学

Plant Species Biology Pub Date : 2023-08-04 DOI: 10.1111/1442-1984.12430

S. Mira, L. Veiga-Barbosa, J. Martínez-Laborde, F. Pérez‐García, M. E. González-Benito

{"title":"Effect of osmotic stress and salinity on germination and mucilage expansion of seeds of Plantago albicans L. (Plantaginaceae): Inter‐population variation","authors":"S. Mira, L. Veiga-Barbosa, J. Martínez-Laborde, F. Pérez‐García, M. E. González-Benito","doi":"10.1111/1442-1984.12430","DOIUrl":"https://doi.org/10.1111/1442-1984.12430","url":null,"abstract":"Plantago albicans L. (Plantaginaceae) grows in wastelands, slopes, and stony pastures, with dry and sun‐exposed soils. Its seeds produce a mucilaginous coat. The main aim of this study was to evaluate intraspecific variation of osmotic and salinity stress response and mucilage production in P. albicans seeds. The relationships between osmotic and salinity stress, germination characteristics, and mucilage expansion were studied in eight populations of P. albicans. Seeds were germinated in distilled water, 20% (w/v) polyethylene glycol 6000 (PEG), or 100 mM NaCl solutions. In most populations, PEG and NaCl reduced final germination. Also, germination was slowed more significantly under osmotic stress than under salinity, while mucilage expansion was more affected by salinity. Therefore, there was an inverse correlation between mucilage expansion and germination under salinity and osmotic stress. Seed populations with similar climatic parameters showed different germination response; however, a correlation was found between mucilage expansion and some climatic parameters. Seeds from drier habitats germinated faster under water stress and produced more mucilage under control and water stress than populations from more humid areas.","PeriodicalId":54601,"journal":{"name":"Plant Species Biology","volume":"1 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41370815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Differences in reproductive function between terminal and lateral flowers in the capitulum of Albizia julibrissin (Fabaceae) based on female fertility, ovule number, and pistil and polyad size 枣科合欢头状花序顶侧花生殖功能的差异——基于雌性生殖力、胚珠数、雌蕊和多聚体大小

IF 1.4 4区生物学

Plant Species Biology Pub Date : 2023-08-04 DOI: 10.1111/1442-1984.12431

Leiko Mizusawa, Saori Kato, T. Kurosawa

{"title":"Differences in reproductive function between terminal and lateral flowers in the capitulum of Albizia julibrissin (Fabaceae) based on female fertility, ovule number, and pistil and polyad size","authors":"Leiko Mizusawa, Saori Kato, T. Kurosawa","doi":"10.1111/1442-1984.12431","DOIUrl":"https://doi.org/10.1111/1442-1984.12431","url":null,"abstract":"The division of labor between florets responsible for reproduction and special functions occurs widely in condensed inflorescences. The capitulum of Albizia julibrissin consists of approximately 10–20 lateral flowers and usually one nectar‐secreting terminal flower; the two flower types are morphologically distinct, but the differences in reproductive function have not been revealed. To determine the differences in reproductive function between terminal and lateral flowers, we compared the ratio of terminal and lateral flowers at the flowering and young pod stages. Additionally, ovule number, stigma size, polyad size, and the ratio of flower abscission were compared between the two flower types. Significant differences were detected only in female fertility between the two flower types. At the flowering stage, 6.8% of flowers were terminal flowers, whereas at the young pod stage, all young fruits were obtained from lateral flowers. At the final stage of blooming, based on the generalized linear model analysis, the ratio of surviving terminal flowers was lower than that of the lateral flowers in a capitulum. These results suggest that the terminal flowers of A. julibrissin had female sterility or, at least, female fertility was lower than in lateral flowers. Therefore, it is necessary to reexamine some previous studies that assumed A. julibrissin to be andromonoecious with hermaphroditic terminal flowers and male lateral flowers. Further comparisons of the quality of ovules and polyads are necessary to clarify whether there is a division of labor between the terminal and lateral flowers in A. julibrissin.","PeriodicalId":54601,"journal":{"name":"Plant Species Biology","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48680387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The epiphytic orchid Vanda falcata is predominantly associated with a single Tulasnellaceae fungus in adulthood, and Ceratobasidiaceae fungi strongly induce its seed germination in vitro 附生兰Vanda falcata在成年期主要与一种Tulasnellaceae真菌有关，而Ceratobasidiaceae真菌在体外强烈诱导其种子发芽

IF 1.4 4区生物学

Plant Species Biology Pub Date : 2023-08-03 DOI: 10.1111/1442-1984.12432

Kento Rammitsu, Nao Yamamoto, R. Chamara, Mutsumi Minobe, Akihiko Kinoshita, Nobuhiko Kotaka, Y. Ogura‐Tsujita

{"title":"The epiphytic orchid Vanda falcata is predominantly associated with a single Tulasnellaceae fungus in adulthood, and Ceratobasidiaceae fungi strongly induce its seed germination in vitro","authors":"Kento Rammitsu, Nao Yamamoto, R. Chamara, Mutsumi Minobe, Akihiko Kinoshita, Nobuhiko Kotaka, Y. Ogura‐Tsujita","doi":"10.1111/1442-1984.12432","DOIUrl":"https://doi.org/10.1111/1442-1984.12432","url":null,"abstract":"Vanda falcata is an epiphytic orchid native to East Asia with high horticultural and ornamental value. However, its wild populations are at risk of extinction due to overcollection and habitat loss. Orchids are highly dependent on mycorrhizal fungi for their nutrient acquisition from seed germination to adulthood; therefore, understanding their mycorrhizal associations throughout the life cycle is essential for their conservation. We investigated the mycorrhizal fungi of adult V. falcata plants through the molecular identification of root samples from 40 individual plants from 13 sites, covering a distance of 1200 km across Japan. To identify the fungi that promote V. falcata seed germination, we performed seed germination tests in vitro with fungal isolates from V. falcata and other epiphytic orchids. In adult plants, we detected a total of 11 operational taxonomic units (OTUs) within two fungal families, Ceratobasidiaceae and Tulasnellaceae, and a single Tulasnellaceae OTU (TU11) was found in samples from 12 sites. However, Vanda falcata seed germination and early development were induced in vitro by Ceratobasidiaceae fungi rather than Tulasnellaceae fungi, including TU11. These results suggest that different mycorrhizal fungi may be predominantly associated with V. falcata in the adult and seed germination stages. This mycorrhizal switching suggests that effective mycorrhizal fungi for conservation may differ between the adult and juvenile stages, even within a single orchid species. Our findings clarify the mycorrhizal associations of endangered epiphytic orchid species and could improve conservation efforts for these rare plants.","PeriodicalId":54601,"journal":{"name":"Plant Species Biology","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45232365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Floral hairs of Tradescantia fluminensis (Commelinaceae) manipulate behavior of hoverflies for effective pollination 川紫露草（鸭跖草科）的花毛操纵气垫蝇的行为以实现有效授粉

IF 1.4 4区生物学

Plant Species Biology Pub Date : 2023-07-12 DOI: 10.1111/1442-1984.12429

Kazuki Tagawa

引用次数: 1

Transgenerational competition effects persist across multiple generations and are altered by offspring competitive environments in a clonal plant 在无性系植物中，跨代竞争效应在多代中持续存在，并被后代竞争环境所改变

IF 1.4 4区生物学

Plant Species Biology Pub Date : 2023-06-19 DOI: 10.1111/1442-1984.12427

Yu Jin, Jinsong Chen, Ningfei Lei, Fang-Li Luo, Lin Huang, Wei Xue, Qian Zhang, Fei Yu

引用次数: 0

Floral polymorphism and heteromorphic incompatibility in the distylous tropical shrub Waltheria rotundifolia (Malvaceae) 二瓣花热带灌木圆叶石斛的花型多态性及异型不亲和性

4区生物学

Plant Species Biology Pub Date : 2023-06-07 DOI: 10.1111/1442-1984.12425

Brian Suárez, Juan Tun‐Garrido, Paula Sosenski, Víctor Parra‐Tabla

{"title":"Floral polymorphism and heteromorphic incompatibility in the distylous tropical shrub <i>Waltheria rotundifolia</i> (<scp>Malvaceae</scp>)","authors":"Brian Suárez, Juan Tun‐Garrido, Paula Sosenski, Víctor Parra‐Tabla","doi":"10.1111/1442-1984.12425","DOIUrl":"https://doi.org/10.1111/1442-1984.12425","url":null,"abstract":"Abstract The genus Waltheria is known for having a high percentage of distylous species (ca. 85%). However, distyly has only been comprehensively studied in a few Waltheria species. The study of distyly is of particular ecological relevance given the occurrence of exotic pollinators in natural ecosystems nowadays, which could potentially affect legitimate pollen transfer between floral morphs. In the present study, we characterized the sexual reciprocity between floral morphs in the tropical shrub Waltheria rotundifolia , we tested if the pollen transfer patterns were in accordance with proper distyly, and we tested its incompatibility system. Reciprocity was characterized by measuring sexual traits, while pollen traits were measured to evaluate the presence of ancillary polymorphisms. The efficiency of distyly to promote legitimate pollen transfer was determined by quantifying pollen loads deposited on stigmas and on the body of Apis mellifera , the main floral visitor of W. rotundifolia . Finally, hand pollinations were performed to determine the strength of the incompatibility system. Flowers exhibit a reciprocal arrangement of sexual organs and pollen ancillary features typical of distylous plants. We observed a differential placement of pollen on the body of A. mellifera . However, intermorph differences in the pollen loads and legitimate pollen deposited on stigmas suggest inefficient pollen transfer by A. mellifera . Hand pollinations revealed the presence of a heteromorphic incompatibility system. Overall, our results show that although factors for disassortative pollen transfer are present in the studied population, W. rotundifolia exhibits asymmetric pollen deposition probably due to A. mellifera foraging behavior.","PeriodicalId":54601,"journal":{"name":"Plant Species Biology","volume":"117 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135449471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effects of sand burial on seedling growth of the coastal dune plant Viola grayi: Tolerance and adaptive responses to sand accretion 沙埋对海岸沙丘植物灰百合幼苗生长的影响：耐沙性和对积沙的适应性反应

IF 1.4 4区生物学

Plant Species Biology Pub Date : 2023-06-05 DOI: 10.1111/1442-1984.12426

A. Kuroda

引用次数: 0

Contribution of genetic analyses to semi‐natural grassland biodiversity conservation in Japan 基因分析对日本半天然草地生物多样性保护的贡献

IF 1.4 4区生物学

Plant Species Biology Pub Date : 2023-05-31 DOI: 10.1111/1442-1984.12424

N. Nakahama, Seikan Kurata, A. Ushimaru

引用次数: 0

Exploring the importance of root architecture plasticity in plant adaptation to environmental constraints 探讨根构型可塑性在植物适应环境约束中的重要性