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Journal articles on the topic 'Plastic phenology'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Borgogno-Mondino, Enrico, Laura de Palma, and Vittorino Novello. "Investigating Sentinel 2 Multispectral Imagery Efficiency in Describing Spectral Response of Vineyards Covered with Plastic Sheets." Agronomy 10, no. 12 (2020): 1909. http://dx.doi.org/10.3390/agronomy10121909.

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The protection of vineyards with overhead plastic covers is a technique largely applied in table grape growing. As with other crops, remote sensing of vegetation spectral reflectance is a useful tool for improving management even for table grape viticulture. The remote sensing of the spectral signals emitted by vegetation of covered vineyards is currently an open field of investigation, given the intrinsic nature of plastic sheets that can have a strong impact on the reflection from the underlying vegetation. Baring these premises in mind, the aim of the present work was to run preliminary tes

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Ahirwar, S., R. Subbaiah, P. Gupta, M. K. Tiwari, M. M. Trivedi, and P. Vaishnav. "Simulation of Maize Phenology and Grain Yield Using DSSAT Model." International Journal of Environment and Climate Change 13, no. 9 (2023): 2545–56. http://dx.doi.org/10.9734/ijecc/2023/v13i92628.

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The field experiment was conducted at the Farm of College of Agricultural Engineering and Technology, Godhra, Gujarat during the year 2018-19 and 2019-20 to simulate the phenology and yield of rabi maize (Zea mays L.) in sandy loam soil of the central Gujarat. The field experiment design was split split plot with 36 treatment combinations with 3 replications including three irrigation regimes (1.0IW/CPE, 0.8IW/CPE and 0.6IW/CPE), four mulch conditions (control, paddy straw, black plastic, and reflective silver plastic mulch), and three stages (tasselling, silking and dough stage). The experime

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Kamal, Eni. "Fenologi Mangrove (Rhizophora apiculata, R. mucronata dan R.stylosa) di Pulau Unggas, Air Bangis Pasaman Barat, Sumatera Barat." Jurnal Natur Indonesia 14, no. 1 (2012): 90. http://dx.doi.org/10.31258/jnat.14.1.90-94.

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Phenology of tropical forest plant is a population factor and does not include community factor, this is caused by a genetic determinationand also the influence of the environment. Phenology of plants in mangrove correlated with the time of flowering, fruiting, and productionof fruits or propagules. Phenology research in mangrove plants in the Unggas Island, West Pasaman, done with ‘tagging’ technique method.Signs made of plastic and are numbered. Data collection included from the formation of flower blooming, up to the formation of fruit orpropagules ripe. Phase of the development is categori

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Gutjahr, Sylvain, Anne Clément-Vidal, Armelle Soutiras, et al. "Grain, sugar and biomass accumulation in photoperiod-sensitive sorghums. II. Biochemical processes at internode level and interaction with phenology." Functional Plant Biology 40, no. 4 (2013): 355. http://dx.doi.org/10.1071/fp12177.

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Sugar accumulation in sorghum (Sorghum bicolor (L.) Moench) stems is a complex trait that is particularly plastic in response to photoperiod. This study investigated sucrose accumulation in a sterile (no grain filling) and fertile near-isogenic line of the photoperiod-sensitive cultivar IS2848 in two greenhouse experiments. Variable phenology was induced by applying a short (12-h PP) and a long (13-h PP) photoperiod. Dynamics of plant growth, phenology, sugar accumulation and related enzyme activities in internodes were investigated. Under 13-h PP, plants flowered 28 days later and attained th

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Kawai, Yuka, and Gaku Kudo. "Local differentiation of flowering phenology in an alpine-snowbed herb Gentiana nipponica." Botany 89, no. 6 (2011): 361–67. http://dx.doi.org/10.1139/b11-024.

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Phenological events of alpine plants are strongly influenced by the seasonal thermal conditions at the local scale that are caused by heterogeneity in snowmelt time. Populations in late-snowmelt locations suffer from a short period for seed maturation, in which rapid flowering that occurs soon after snowmelt (i.e., a low thermal requirement for flowering) is advantageous. To test the possibility of local adaptation of flowering phenology, we compared reproductive phenology, the preflowering period, and the thermal requirement for flowering of the alpine-snowbed species Gentiana nipponica Maxim

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Kumar, Alexander V., Marketa Zimova, James R. Sparks, and L. Scott Mills. "Snow-mediated plasticity does not prevent camouflage mismatch." Oecologia 194, no. 3 (2020): 301–10. http://dx.doi.org/10.1007/s00442-020-04680-2.

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Abstract Global reduction in snow cover duration is one of the most consistent and widespread climate change outcomes. Declining snow duration has severe negative consequences for diverse taxa including seasonally color molting species, which rely on snow for camouflage. However, phenotypic plasticity may facilitate adaptation to reduced snow duration. Plastic responses could occur in the color molt phenology or through behavior that minimizes coat color mismatch or its consequences. We quantified molt phenology of 200 wild snowshoe hares (Lepus americanus), and measured microhabitat choice an

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MacLean, Heidi J., Matthew E. Nielsen, Joel G. Kingsolver, and Lauren B. Buckley. "Using museum specimens to track morphological shifts through climate change." Philosophical Transactions of the Royal Society B: Biological Sciences 374, no. 1763 (2018): 20170404. http://dx.doi.org/10.1098/rstb.2017.0404.

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Museum specimens offer a largely untapped resource for detecting morphological shifts in response to climate change. However, morphological shifts can be obscured by shifts in phenology or distribution or sampling biases. Additionally, interpreting phenotypic shifts requires distinguishing whether they result from plastic or genetic changes. Previous studies using collections have documented consistent historical size changes, but the limited studies of other morphological traits have often failed to support, or even test, hypotheses. We explore the potential of collections by investigating sh

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Dong, Xinyu, Jiaguo Li, Ning Xu, Junjie Lei, Zhen He, and Limin Zhao. "A Novel Phenology-Based Index for Plastic-Mulched Farmland Extraction and Its Application in a Typical Agricultural Region of China Using Sentinel-2 Imagery and Google Earth Engine." Land 13, no. 11 (2024): 1825. http://dx.doi.org/10.3390/land13111825.

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Plastic-mulching technology has a crucial role to play in modern agriculture by optimizing crop growth environments and enhancing yields. Accurately detecting and mapping the distribution of plastic-mulched farmlands (PMFs) is essential for improving both agricultural management and production efficiency. By analyzing the temporal spectral characteristics of PMFs and crop phenological information, we developed a phenology-based plastic-mulched farmland index (PPMFI). This index, when combined with Sentinel-2 imagery and an automated high-precision extraction process via the Google Earth Engine

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Dell, Isaac Hans, and Thomas Seth Davis. "Effects of Site Thermal Variation and Physiography on Flight Synchrony and Phenology of the North American Spruce Beetle (Coleoptera: Curculionidae, Scolytinae) and Associated Species in Colorado." Environmental Entomology 48, no. 4 (2019): 998–1011. http://dx.doi.org/10.1093/ee/nvz067.

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AbstractSpruce beetle, Dendroctonus rufipennis Kirby, is associated with forest mortality in Colorado and across western North America, yet it is not well understood how thermal variability affects basic population processes such as flight phenology. However, phenology–temperature relationships are important for understanding patterns of ecosystem disturbance, especially under projected climate warming. Here, we use a multiyear trapping study to test the hypothesis that spruce beetle flight synchrony, timing, and fitness traits (body size) are affected by variation in regional temperature and

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Sikhandakasmita, P., I. Kataoka, R. Mochioka, and K. Beppu. "Flower and fruit development of a low-chill peach, ‘KU-PP2’ in plastic houses with and without heating." Journal of Applied Horticulture 23, no. 03 (2021): 260–64. http://dx.doi.org/10.37855/jah.2021.v23i03.46.

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Although ‘KU-PP2’, a low-chill peach cultivar, was released for high-quality peach production under forcing culture, the performance of ‘KU-PP2’ trees under forcing conditions has yet to be determined. In this study, we investigated the spring phenology, fruit development, and fruit quality of ‘KU-PP2’ in a heated plastic house compared with the same traits in an unheated plastic house and open field conditions. We found that the forcing conditions accelerated the spring phenology and harvest period of ‘KU-PP2’. Heated conditions shortened the number of days from dormancy release to blooming a

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Summerfield, R. J., and R. J. Lawn. "Environmental Modulation of Flowering in Mung Bean (Vigna radiata): a Reappraisal." Experimental Agriculture 23, no. 4 (1987): 461–70. http://dx.doi.org/10.1017/s0014479700017427.

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SUMMARYThe phenology of mung beans is extremely plastic; responsiveness to both photoperiod and temperature is known to modulate flowering. A previous conclusion, perpetuated uncritically now for almost forty years, has been that both (quantitative) short- and long-day flowering responses exist in the mung bean germplasm. However, our re-analysis of the original data leads us to an alternative conclusion: that genotypes of mung bean are quantitative short-day plants with different optimum mean diurnal temperatures for flowering. This alternative interpretation (which is plausible biologically

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Wu, Chenxi, and Micheal D. K. Owen. "When Is the Best Time to Emerge: Reproductive Phenology and Success of Natural Common Waterhemp (Amaranthus rudis) Cohorts in the Midwest United States?" Weed Science 62, no. 1 (2014): 107–17. http://dx.doi.org/10.1614/ws-d-13-00079.1.

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Although the prolonged emergence pattern of common waterhemp is well known, its effect on flowering phenology and success is less well understood. The ecological significance of later common waterhemp cohorts could have been underestimated. Ecological knowledge of common waterhemp, such as reproductive phenology and success, would help us better understand the invasiveness of this weed and thus facilitate the development of more targeted control methods. Field studies were conducted at Ames, IA, to evaluate temporal variation in flowering phenology (e.g., date of flower initiation, number of f

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Scuderi, Dario, Giovanni Gugliuzza, Giuseppe Di Salvo, Federico Priola, Roberta Passafiume, and Vittorio Farina. "Shading Net and Partial Covering Plastic Film Do Not Affect Phenology, Photosynthetic Activity or Fruit Quality Traits of Kensington Pride Mango." Plants 11, no. 24 (2022): 3510. http://dx.doi.org/10.3390/plants11243510.

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Mango cultivation in a protected environment is becoming widespread in the Mediterranean basin where the species has to face unfavorable weather conditions which do not occur in its native cultivation areas. Besides open-air cultivation, greenhouses—and other protection systems such as shading nets and partial covering of plastic films—have been tested recently. In this study, we focused on assessing the effect of a shading net, and a partially covering plastic film, on the development of “Kensington Pride” mango fruit skin-color, its final quality, and the plants’ photosynthetic activity. A n

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Hetrick, B. A. D., G. W. T. Wilson, and T. C. Todd. "Relationships of mycorrhizal symbiosis, rooting strategy, and phenology among tallgrass prairie forbs." Canadian Journal of Botany 70, no. 8 (1992): 1521–28. http://dx.doi.org/10.1139/b92-191.

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The response of 23 tallgrass prairie forbs to mycorrhizal symbiosis and P fertilization was assessed in steamed and non-sterile prairie soil. For each plant species, root diameters, root fibrousness, root to shoot ratio, plant dry weight, mycorrhizal root colonization, mycorrhizal dependence, P dependence, and phenology were measured. Using these data, cluster analysis, stepwise discriminant analysis, and canonical discriminant analysis of the data revealed that the forbs could be divided into three distinct groups based on mycorrhizal dependence, root morphology, and phenology in descending o

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ALMEIDA, ISAIAS VITORINO BATISTA DE, MAÍLSON MONTEIRO DO RÊGO, FABIANE RABELO DA COSTA BATISTA, ELIZANILDA RAMALHO DO RÊGO, and RISELANE DE LUCENA ALCÂNTARA BRUNO. "PHENOLOGY OF Calotropis procera (Ait.) W.T. Aiton ACCESSIONS BASED ON MORPHOPHYSIOLOGICAL CHARACTERISTICS." Revista Caatinga 32, no. 2 (2019): 543–51. http://dx.doi.org/10.1590/1983-21252019v32n227rc.

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ABSTRACT The objective of this work was to evaluate the phenology of Calotropis procera accessions based on morphophysiological characteristics. Seeds of 70 C. procera accessions were collected between October 2015 and January 2016 in areas where the species naturally occurs in Northeastern Brazil. These accessions make up the current germplasm collection of the National Institute of the Semi-arid (INSA). The experiment was conducted in a greenhouse at INSA, in Campina Grande - PB, from January to September in 2016. The plants were cultivated in plastic pots filled with soil. Fertilization was

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Bonamour, Suzanne, Luis-Miguel Chevin, Anne Charmantier, and Céline Teplitsky. "Phenotypic plasticity in response to climate change: the importance of cue variation." Philosophical Transactions of the Royal Society B: Biological Sciences 374, no. 1768 (2019): 20180178. http://dx.doi.org/10.1098/rstb.2018.0178.

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Phenotypic plasticity is a major mechanism of response to global change. However, current plastic responses will only remain adaptive under future conditions if informative environmental cues are still available. We briefly summarize current knowledge of the evolutionary origin and mechanistic underpinnings of environmental cues for phenotypic plasticity, before highlighting the potentially complex effects of global change on cue availability and reliability. We then illustrate some of these aspects with a case study, comparing plasticity of blue tit breeding phenology in two contrasted habita

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Cabrera, Juan Alberto, Axel Ritter, Vanesa Raya, Eudaldo Pérez, and María Gloria Lobo. "Papaya (Carica papaya L.) Phenology under Different Agronomic Conditions in the Subtropics." Agriculture 11, no. 2 (2021): 173. http://dx.doi.org/10.3390/agriculture11020173.

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European consumers have perceived that papaya fruits produced in subtropical areas (the Canary Islands and Mediterranean regions) do not have the desired quality at certain periods of the year. Thus, the development of technical and management strategies to optimize the yield and the quality of the fruit requires crop phenology studies. Meteorological variables (air temperature, relative humidity, and photosynthetically active radiation) and morphological characteristics (plant height, leaf emission rate, and leaf area) were recorded throughout the crop cycle. All the leaves and fruits were la

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Delnevo, Nicola, Alessandro Petraglia, Michele Carbognani, Vigdis Vandvik, and Aud H. Halbritter. "Plastic and genetic responses to shifts in snowmelt time affects the reproductive phenology and growth of Ranunculus acris." Perspectives in Plant Ecology, Evolution and Systematics 30 (February 2018): 62–70. http://dx.doi.org/10.1016/j.ppees.2017.07.005.

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Ranjitkar, Sailesh. "Effect of elevation and latitude on spring phenology of Rhododendron at Kanchenjunga Conservation Area, East Nepal." International Journal of Applied Sciences and Biotechnology 1, no. 4 (2013): 253–57. http://dx.doi.org/10.3126/ijasbt.v1i4.9154.

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Mountainous terrain in East corner of Nepal is good location for phenological studies. Spring phenology in Rhododendron arboreum Sm. was monitored around Ghunsa river valley in Kanchenjunga Conservation Area of Nepal. Observations were carried our following the crown density method; flowering events of the selected species were recorded in 15-days interval. Flowering activity including duration of flowering and synchrony were determined. In addition, expected difference in flower onset time in two consecutive monitoring plots was determined. Elevation, latitude and longitude were regressed aga

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Gatherum, Dawn M., L. LaMar Anderson, and Schuyler D. Seeley. "Effects of Rowcover Microclimate on `Delicious' Apples." HortScience 30, no. 4 (1995): 787C—787. http://dx.doi.org/10.21273/hortsci.30.4.787c.

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Plastic covers were placed over rows of `Delicious' apple trees/M.26 to test their effect on canopy temperature and hence on bud phenology and growing season duration. In 1992, plastic covers enclosed the treated plots to within 0.5 m of the soil and the tunnel ends were left open. Average daily temperatures within the rowcovers were 0.1C cooler in April, 0.2C warmer in May, and 0.1C cooler in July than uncovered canopy temperatures. In 1993, rowcovers completely enclosed the treated plots (both ends and sides); average daily temperatures within the enclosed plots were 1.6C warmer in April, 0.

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Tougeron, Kévin, Joan van Baaren, Cécile Le Lann, and Jacques Brodeur. "Diapause expression in a Québec, Canada population of the parasitoidAphidius ervi(Hymenoptera: Braconidae)." Canadian Entomologist 151, no. 3 (2019): 345–49. http://dx.doi.org/10.4039/tce.2019.1.

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AbstractAphidius erviHaliday (Hymenoptera: Braconidae) is a major natural enemy of several agricultural pests in North America. Yet little is known about its overwintering strategy, especially concerning the plastic response to photoperiod and temperature that induce diapause. Information on parasitoid overwintering patterns is of great importance if we aim to predict their phenology and better inform pest outbreak control. Moreover, there is increasing evidence of plastic and genetic changes in overwintering strategies in insect from temperate areas following climate change. We set up a labor

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Giné, Ariadna, Patricia Monfort, and Francisco Javier Sorribas. "Creation and Validation of a Temperature-Based Phenology Model for Meloidogyne incognita on Common Bean." Plants 10, no. 2 (2021): 240. http://dx.doi.org/10.3390/plants10020240.

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The thermal requirements of Meloidogyne incognita on Phaseolus vulgaris in a set of constant soil temperatures were determined and the phenology model was validated at fluctuating soil temperatures. The base temperature (Tb) and the thermal constant (S) from nematode inoculation to females starting to lay eggs were 11.3 °C and 323 accumulated degree days (DD), respectively; Tb = 10.5 °C and S = 147 DD from egg production to emergence of juveniles; and Tb = 11.1 °C and S = 476 DD for life cycle completion. At fluctuating soil temperatures in pots with the minimum lower than Tb and the maximum h

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Michels, Bas A., Mariska M. Beekman, Jeremy Field, et al. "Genetic differentiation at extreme latitudes in the socially plastic sweat bee Halictus rubicundus." PLOS ONE 19, no. 5 (2024): e0302688. http://dx.doi.org/10.1371/journal.pone.0302688.

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The sweat bee Halictus rubicundus is an important pollinator with a large latitudinal range and many potential barriers to gene flow. Alongside typical physical barriers, including mountain ranges and oceans, the climate may also impose restrictions on gene flow in this species. The climate influences voltinism and sociality in H. rubicundus, which is bivoltine and can nest socially at warmer lower latitudes but tends to be univoltine and solitary in the cooler north. Variation in voltinism could result in phenological differences, potentially limiting gene flow, but a previous study found no

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Majid, Maliqa, Junaid N. Khan, Haleema Bano, et al. "Study of the Phenology of Saffron (Crocus sativus L.) Grown in Soilless Media under Protected Environment." International Journal of Environment and Climate Change 13, no. 9 (2023): 819–30. http://dx.doi.org/10.9734/ijecc/2023/v13i92303.

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Traditionally grown in soil, saffron cultivation has been plagued by limited arable land, variable climate conditions, and soil-borne diseases. Phenological studies of the crop during each of its growth stages are crucial for mitigating the detrimental consequences of climate change, to which saffron crop is extremely susceptible. These also help in anticipating the future farming systems that involve crop cultivation methods, irrigation, field, and crop management. In this study, we assess the adaptability of saffron to soilless cultivation. In order to evaluate the performance of saffron gro

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Zhang, Shibo, Zhenqing Xia, Guixin Zhang, Jingxuan Bai, Mengke Wu, and Haidong Lu. "Optimized Farmland Mulching Improves Rainfed Maize Productivity by Regulating Soil Temperature and Phenology on the Loess Plateau in China." Agronomy 13, no. 11 (2023): 2790. http://dx.doi.org/10.3390/agronomy13112790.

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Owing to global warming, continuously increasing the grain yield of rainfed maize is challenging on the Loess Plateau in China. Plastic film mulching has been extensively utilized in dryland agriculture on the Loess Plateau. However, higher topsoil temperatures under film mulch caused rainfed-maize premature senescence and yield loss. Here, we aimed to explore the influence of topsoil temperature driven by novel double mulching patterns on rainfed maize productivity based on the excellent moisture conservation function of plastic film. A maize field experiment was conducted in two different ar

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Arroyo, Mary T. K., Ítalo Tamburrino, Patricio Pliscoff, Valeria Robles, Maria Colldecarrera, and Pablo C. Guerrero. "Flowering Phenology Adjustment and Flower Longevity in a South American Alpine Species." Plants 10, no. 3 (2021): 461. http://dx.doi.org/10.3390/plants10030461.

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Delayed flowering due to later snowmelt and colder temperatures at higher elevations in the alpine are expected to lead to flowering phenological adjustment to prevent decoupling of peak flowering from the warmest time of the year, thereby favoring pollination. However, even if flowering is brought forward in the season at higher elevations, an elevational temperature gap is likely to remain between the high- and low-elevation populations of a species at the time these reach peak flowering on account of the atmospheric reduction in temperature with increasing elevation. The negative effect of

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Gri ar, J., P. Prislan, V. Gryc, H. Vavr ik, M. de Luis, and K. ufar. "Plastic and locally adapted phenology in cambial seasonality and production of xylem and phloem cells in Picea abies from temperate environments." Tree Physiology 34, no. 8 (2014): 869–81. http://dx.doi.org/10.1093/treephys/tpu026.

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Kaufman, Michael G., and Robert H. King. "Colonization of wood substrates by the aquatic xylophage Xylotopus par (Diptera: Chironomidae) and a description of its life history." Canadian Journal of Zoology 65, no. 9 (1987): 2280–86. http://dx.doi.org/10.1139/z87-345.

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Xylotopus par populations were monitored in a central Michigan stream during the summer growth period by sampling two types of indigenous logs and four types of introduced wood block "baits." Populations of larvae in the two indigenous logs were very similar over the course of the study with regard to number of individuals, biomass accumulation, developmental rate, and spatial distribution within colonized areas. Populations of larvae in the wood baits followed trends in density and biomass accumulation that differed between wood types. A positive relationship of the parameters with substrate

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Suckling, David Maxwell, Valerio Mazzoni, Gerardo Roselli, et al. "Trapping Brown Marmorated Stink Bugs: “The Nazgȗl” Lure and Kill Nets." Insects 10, no. 12 (2019): 433. http://dx.doi.org/10.3390/insects10120433.

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Improvements to current brown marmorated stink bug (BMSB), Halyomorpha halys, surveillance and killing systems are needed to improve detection sensitivity and to reduce pesticide use. Detection of BMSB in New Zealand with traps is reliant on sticky panels with aggregation pheromone, which are low cost but inefficient compared with beating foliage. Trapping for BMSB adults and nymphs was conducted daily with lethal traps consisting of an aggregation pheromone-baited-coat hanger covered with dark-colored long-lasting insecticide-treated mesh, we termed “The Nazgȗl”, based on its sinister appeara

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Dorzhiev, Tsydypzhap Zayatuevich, and Ariyana Tomur-oolovna Saaya. "The nesting ecology and postembryonic development of the Baikal white wagtail Motacilla alba baicalensis." Samara Journal of Science 9, no. 4 (2020): 53–57. http://dx.doi.org/10.17816/snv202094108.

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The goal of the paper is to identify the features of the breeding ecology of the Motacilla alba baicalensis in the Baikal region and Transbaikalia. The nesting ecology study deliverable of the Motacilla alba baicalensis in the Baikal region and Transbaikalia showed that this subspecies, unlike other forms, is more synanthropic, more than 95% of populations live in localities and other anthropogenic habitats, and only 23% of populations inhabit natural biotopes. At the same time, the Motacilla alba baicalensis in the region prefers small rural settlements and livestock camps in open landscapes

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Buckley, James, Rónán Daly, Christina A. Cobbold, Karl Burgess, and Barbara K. Mable. "Changing environments and genetic variation: natural variation in inbreeding does not compromise short-term physiological responses." Proceedings of the Royal Society B: Biological Sciences 286, no. 1915 (2019): 20192109. http://dx.doi.org/10.1098/rspb.2019.2109.

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Selfing plant lineages are surprisingly widespread and successful in a broad range of environments, despite showing reduced genetic diversity, which is predicted to reduce their long-term evolutionary potential. However, appropriate short-term plastic responses to new environmental conditions might not require high levels of standing genetic variation. In this study, we tested whether mating system variation among populations, and associated changes in genetic variability, affected short-term responses to environmental challenges. We compared relative fitness and metabolome profiles of natural

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Peçanha, Diego Alves, José Ángel Moro Peña, Marta Simone Mendonça Freitas, Yasmina Chourak, and Miguel Urrestarazu. "Effect of light spectra on stem cutting rooting and lavender growth." Acta Scientiarum. Agronomy 45 (March 20, 2023): e58864. http://dx.doi.org/10.4025/actasciagron.v45i1.58864.

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French lavender (Lavandula dentata L.) is of great ornamental, medicinal, and aromatic interest. It is generally propagated vegetatively using stem cuttings. When using artificial lighting, a specific light composition can modify the entire plant phenology and is a factor that can be managed in controlled conditions. This study evaluated the rooting of stem cuttings and growth of lavender under four spectral LED lights. The LED lights used were: T0 (white LED, Roblan®), T1 (AP67 Milky, Valoya®), T2 (NS1, Valoya®), and T3 (AP673L Milky, Valoya®). The first phase evaluated the rooting of stem cu

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Rafael, Anzanello, and Luiz Antonio Biasi. "Base temperature as a function of genotype: a foundation for modeling phenology of temperate fruit species." Semina: Ciências Agrárias 37, no. 4 (2016): 1811. http://dx.doi.org/10.5433/1679-0359.2016v37n4p1811.

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To complete each phase of the growing season, plants must accumulate thermal time at lower base temperature (Tb). Little information exists on Tb variation between either fruit species or cultivars of the same species. We therefore aimed to determine the lower base temperature for contrasting genotypes in precocity of peach, plum, grape, pear, and kiwi. Twigs 25-35 cm long for the following cultivars: peach, Tropic Beauty (TB) and Eragil (ER); plum, Gulf Blaze (GB) and Letícia (LE); grape, Chardonnay (CH) and Cabernet Sauvignon (CS); pear, Smith (SM) and Packham’s (PA); and kiwi, Golden King (

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Vander Mijnsbrugge, Kristine, and Astrid Janssens. "Differentiation and Non-Linear Responses in Temporal Phenotypic Plasticity of Seasonal Phenophases in a Common Garden of Crataegus monogyna Jacq." Forests 10, no. 4 (2019): 293. http://dx.doi.org/10.3390/f10040293.

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Phenology in perennial plants implies the temporal occurrence of biological events throughout the year. Heritable phenotypic plasticity in the timing of the phenophases can be of importance in the adaptation of woody species to a quickly changing environment. We observed the timing of bud burst, flower opening, leaf senescence and leaf fall in two successive years in a common garden of Crataegus monogyna Jacq. in Belgium, consisting of six local and five non-local provenances. Data were processed with cumulative logistic mixed models. Strong auto-correlation was present among the spring phenop

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Papadimitriou, Dimitrios, Emmanouil Kontaxakis, Ioannis Daliakopoulos, Thrassyvoulos Manios, and Dimitrios Savvas. "Effect of N:K Ratio and Electrical Conductivity of Nutrient Solution on Growth and Yield of Hydroponically Grown Golden Thistle (Scolymus hispanicus L.)." Proceedings 30, no. 1 (2020): 87. http://dx.doi.org/10.3390/proceedings2019030087.

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As the demand for high-quality wild greens rises, due to their high nutritional, culinary, and medicinal properties, the potential overexploitation and excessive disruption of their natural habitats bring serious environmental problems to the foreground. However, new alternative cultivation techniques, such as hydroponic cultivation, could take advantage of rational water management, optimal fertilization management and climate adaptation, to produce high-quality wild greens, all year round. As an initial step to assess optimal hydroponic cultivation conditions for golden thistle (Scolymus his

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Hamor, A., N. Sadovska, and H. Popovych. "Growth, yield and preservation of parsnip roots for cultivation in the foothills of Transcarpathia." Agrobìologìâ, no. 2(167) (December 9, 2021): 22–32. http://dx.doi.org/10.33245/2310-9270-2021-167-2-22-32.

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Parsnip is a valuable vegetable crop. Its roots are used in various sectors of the economy due to its rich chemical composition. But the area under the crop is insignifcant. Despite the signifcant number of scientifc publications, the issue of parsnip growth in the conditions of Transcarpathiahas not been explored. Therefore, the aim of our research was to study the processes of growth and development, yield and preservation of parsnip roots for cultivation in soil and climatic conditions of the foothills of Transcarpathia. When studying the phenology of varieties, it was noted that the period

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Hakala, Kaija, Timo Mela, Heikki Laurila, and Timo Kaukoranta. "Arrangement of experiments for simulating the effects of elevated temperatures and elevated CO2 levels on field-sown crops in Finland." Agricultural and Food Science 5, no. 1 (1996): 25–47. http://dx.doi.org/10.23986/afsci.72728.

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The experimental plants: spring wheat, winterwheat, spring barley, meadow fescue, potato, strawberry and black currant were sown or planted directly in the field, part of which was covered by an automatically controlled greenhouse to elevate the temperature by 3°C. The temperature of the other part of the field (open field) was not elevated, but the field was covered with the same plastic film as the greenhouse to achieve radiation and rainfall conditions comparable to those in the greenhouse. To elevate the CO2 concentrations, four open top chambers (OTC) were built for the greenhouse, and fo

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Nahrung, H. F., and G. R. Allen. "Overwintering ecology of Chrysophtharta agricola: mechanisms of reproductive diapause induction and termination." Australian Journal of Zoology 52, no. 5 (2004): 505. http://dx.doi.org/10.1071/zo04039.

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Reproductive diapause is common in the Chrysomelidae, and allows 'escape in time' of conditions unfavourable for growth and development. Chrysophtharta agricola (Chapuis) (Coleoptera : Chrysomelidae), which undergoes one or two generations per year, spends 7–8 months in reproductive diapause, emerging in spring to feed and oviposit. We manipulated photoperiod and temperature to test their effects on induction and termination of diapause in the laboratory; we also conducted field studies for validation of results, and to examine patterns of voltinism as determined by the onset of diapause. A cr

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Pla, Susanna, Francesc Maynou, and Francesc Piferrer. "Hermaphroditism in fish: incidence, distribution and associations with abiotic environmental factors." Reviews in Fish Biology and Fisheries 31, no. 4 (2021): 935–55. http://dx.doi.org/10.1007/s11160-021-09681-9.

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AbstractThe distribution of hermaphroditism in fishes has traditionally been mainly explained by its dependence on biotic factors. However, correlates with major abiotic factors have not been investigated on a quantitative basis and at a global scale. Here, we determined the incidence of hermaphroditism in fish at the family and species level, tested the hypothesis that evolutionary relationships account for the poor presence of hermaphroditism in freshwater species, and tested the association of sexual systems with latitude, habitat type and depth. Functional hermaphroditism is reported in 8

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Pla, Susanna, Francesc Maynou, and Francesc Piferrer. "Hermaphroditism in fish: incidence, distribution and associations with abiotic environmental factors." Reviews in Fish Biology and Fisheries 31, no. 4 (2021): 935–55. http://dx.doi.org/10.1007/s11160-021-09681-9.

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AbstractThe distribution of hermaphroditism in fishes has traditionally been mainly explained by its dependence on biotic factors. However, correlates with major abiotic factors have not been investigated on a quantitative basis and at a global scale. Here, we determined the incidence of hermaphroditism in fish at the family and species level, tested the hypothesis that evolutionary relationships account for the poor presence of hermaphroditism in freshwater species, and tested the association of sexual systems with latitude, habitat type and depth. Functional hermaphroditism is reported in 8

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Turner, Neil C., Nicholas Molyneux, Sen Yang, You-Cai Xiong, and Kadambot H. M. Siddique. "Climate change in south-west Australia and north-west China: challenges and opportunities for crop production." Crop and Pasture Science 62, no. 6 (2011): 445. http://dx.doi.org/10.1071/cp10372.

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Predictions from climate simulation models suggest that by 2050 mean temperatures on the Loess Plateau of China will increase by 2.5 to 3.75°C, while those in the cropping region of south-west Australia will increase by 1.25 to 1.75°C. By 2050, rainfall is not expected to change on the Loess Plateau of China, while in south-west Australia rainfall is predicted to decrease by 20 to 60 mm. The frequency of heat waves and dry spells is predicted to increase in both regions. The implications of rising temperatures are an acceleration of crop phenology and a reduction in crop yields, greater risk o

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Pacheco, Julio Ricardo Galindo, and Jairo Clavijo Porras. "Fenología del cultivo de arveja (Pisum sativum L. var. Santa Isabel) en la sabana de Bogotá en campo abierto y bajo cubierta plástica." Corpoica Ciencia y Tecnología Agropecuaria 10, no. 1 (2009): 5. http://dx.doi.org/10.21930/rcta.vol10_num1_art:123.

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<p>La valoración del efecto del ambiente en el desarrollo de los cultivos es importante para la determinación de zonas aptas y la planificación de la producción. En esta investigación se realizaron cuatro ensayos para evaluar el desarrollo de las plantas de arveja (<em>Pisum sativum </em>L.) variedad Santa Isabel en condiciones de la sabana de Bogotá, Colombia, (2640 msnm, 14°C, 80% H.R., 800 mm de lluvia anual), tema sobre el cual no hay información. Se realizaron dos ensayos bajo cubierta plástica (21°C ± 2,5°C, promedio ± DE) y dos a campo abierto (13,9°C ± 1,2°C). Se eval

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Wesselingh, Renate. "Within-population variation in the relation between node number and flowering time in Rhinanthus angustifolius (Orobanchaceae)." Plant Ecology and Evolution 149, no. (1) (2016): 21–30. https://doi.org/10.5091/plecevo.2016.1143.

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<b>Background and aims</b> – The annual hemiparasitic plant genus <i>Rhinanthus</i> displays large variation in the date of onset of flowering, and ecotypes have been described from populations with different flowering times. Much less is known, however, about the variation in flowering time within populations of an ecotype, which is important for the adaptive capacity of a population. The number of nodes produced before the first flower is an important trait linked to flowering time differences among populations, and this trait and its relation with flowering date were investigated.<b>M

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Shaw, Mark R., Pieter Kan, Limburg Stirum Brigitte Kan-van, and Martin Schwarz. "The remarkable biology of a new species of Gelis Thunberg, 1827 (Ichneumonidae, Phygadeuontinae), a solitary endoparasitoid of fresh eggs of Timarcha (Coleoptera, Chrysomelidae)." Journal of Hymenoptera Research 82 (April 29, 2021): 161–86. https://doi.org/10.3897/jhr.82.64657.

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A new species, Gelis timarchae Schwarz, Shaw & Kan, is figured and described from specimens reared as a solitary endoparasitoid of fresh eggs of Timarcha nicaeensis in the south of France. Oviposition behaviour of the adult parasitoid, directly into the host cytoplasm, is described and links to videos are given. This appears to be the first record of any ichneumonid developing as an endoparasitoid of an insect egg, and it is a major departure from hitherto known ectoparasitoid (or spiders' egg-predation) behaviour in the genus Gelis. Fluid from the host egg issuing from the base of the par

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Wang, Weizhen, Feinan Xu, and Jiemin Wang. "Energy Exchange and Evapotranspiration over the Ejina Oasis Riparian Forest Ecosystem with Different Land-Cover Types." Water 13, no. 23 (2021): 3424. http://dx.doi.org/10.3390/w13233424.

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Investigating the energy and water vapor exchange in oasis riparian forest ecosystems is of significant importance to improve scientific understanding of land surface processes in extreme arid regions. The Heihe Watershed Allied Telemetry Experimental Research (HiWATER) provided many observations of water vapor and heat fluxes from riparian forest ecosystem by using a network of eddy-covariance (EC) systems installed over representative surfaces in the Ejina Oasis, which is located in the downstream areas of the Heihe River Basin, northwestern China. Based on EC flux measurements and meteorolo

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Meier, Michael, and Christof Bigler. "Process-oriented models of autumn leaf phenology: ways to sound calibration and implications of uncertain projections." Geoscientific Model Development 16, no. 23 (2023): 7171–201. http://dx.doi.org/10.5194/gmd-16-7171-2023.

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Abstract. Autumn leaf phenology marks the end of the growing season, during which trees assimilate atmospheric CO2. The length of the growing season is affected by climate change because autumn phenology responds to climatic conditions. Thus, the timing of autumn phenology is often modeled to assess possible climate change effects on future CO2-mitigating capacities and species compositions of forests. Projected trends have been mainly discussed with regards to model performance and climate change scenarios. However, there has been no systematic and thorough evaluation of how performance and p

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Arneth, A., E. M. Veenendaal, C. Best, et al. "Water use strategies and ecosystem-atmosphere exchange of CO<sub>2</sub> in two highly seasonal environments." Biogeosciences 3, no. 4 (2006): 421–37. http://dx.doi.org/10.5194/bg-3-421-2006.

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Abstract. We compare assimilation and respiration rates, and water use strategies in four divergent ecosystems located in cold-continental central Siberia and in semi-arid southern Africa. These seemingly unrelated systems have in common a harsh and highly seasonal environment with a very sharp transition between the dormant and the active season, with vegetation facing dry air and soil conditions for at least part of the year. Moreover, the northern high latitudes and the semi-arid tropics will likely experience changes in key environmental parameters (e.g., air temperature and precipitation)

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Arneth, A., E. M. Veenendaal, C. Best, et al. "Water use strategies and ecosystem-atmosphere exchange of CO<sub>2</sub> in two highly seasonal environments." Biogeosciences Discussions 3, no. 2 (2006): 345–82. http://dx.doi.org/10.5194/bgd-3-345-2006.

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Abstract. We compare assimilation and respiration rates, and water use strategies in four divergent ecosystems located in cold-continental central Siberia and in semi-arid southern Africa. These seemingly unrelated systems have in common a harsh and highly seasonal environment with a very sharp transition between the dormant and the active season, and with vegetation facing dry air and soil conditions for at least part of the year. Moreover, the northern high latitudes and the semi-arid tropics will likely experience changes in key environmental parameters (e.g., air temperature and precipitat

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Farré-Armengol, Gerard, Iolanda Filella, Joan Llusia, and Josep Peñuelas. "Relationships among floral VOC emissions, floral rewards and visits of pollinators in five plant species of a Mediterranean shrubland." Plant Ecology and Evolution 148, no. (1) (2015): 90–99. https://doi.org/10.5091/plecevo.2015.963.

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<b>Background and aims</b> – In plant-pollinator communities seasonal changes in the abundance of pollinators lead to seasonal changes in competition among flowering plants for their services. Here we address the following question: Do flowers of a given species produce more olfactory signals (emissions of volatile compounds) and rewards (nectar and pollen) during the phase(s) of the flowering period within which they have to maximally compete with the signals and rewards of other co-flowering species in the community, compared to the amount of signals and rewards produced during the period(s)

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Chen, Shouzhi, Yongshuo H. Fu, Mingwei Li, Zitong Jia, Yishuo Cui, and Jing Tang. "A new temperature–photoperiod coupled phenology module in LPJ-GUESS model v4.1: optimizing estimation of terrestrial carbon and water processes." Geoscientific Model Development 17, no. 7 (2024): 2509–23. http://dx.doi.org/10.5194/gmd-17-2509-2024.

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Abstract. Vegetation phenological shifts impact the terrestrial carbon and water cycle and affect the local climate system through biophysical and biochemical processes. Dynamic global vegetation models (DGVMs), serving as pivotal simulation tools for investigating climate impacts on terrestrial ecosystem processes, incorporate representations of vegetation phenological processes. Nevertheless, it is still a challenge to achieve an accurate simulation of vegetation phenology in the DGVMs. Here, we developed and implemented spring and autumn phenology algorithms into one of the DGVMs, LPJ-GUESS

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