Effect of temperature on growth and morphology of two varieties of white clover (<i>Trifolium repens</i> L.) and their impact on soil microbial activity

Murray, P. J.; Jørgensen, Marit; Gill, E. K.

doi:10.1111/j.1744-7348.2000.tb00071.x

Cited by 9 publications

(5 citation statements)

References 23 publications

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“…The SIL decreased from 77% of genotypes between 6.2 and 12.6 mm at autumn 2014, to 69% between 6.1 and 8.9 mm at summer 2015. However, these results are partially consistent with Frankow-Lindberg (1999) and Murray et al (2000), who did not find differences between white clover cultivars for internode length.…”

Section: Relationships Among the Evaluated Cold Stress Resistance Phesupporting

confidence: 90%

“…Boller and Nösberger (1983), Murray et al (2000), and others have studied the effects of low temperatures on white clover leaf and stolon morphology and growth (elongation rates and growth habits). Working with white clover cultivars, they have described how SER, SIL, and leaf area decrease in response to winter cold, thus representing cold stress resistance mechanisms (Helgadóttir et al, 2001).…”

Section: Discussionmentioning

confidence: 99%

“…7) as a result of favorable autumn growth conditions, particularly in terms of water soil availability and temperature, which promoted stolon and leaf growth and development more than that of stolons and roots. Plants promote the growth of the latter morphological structures as a survival mechanism against low temperatures (Boller and Nösberger, 1983; Murray et al, 2000), which could explain the low DMA performance of the small group of genotypes (<25, first category of histograms) at all measurement dates (Fig. 7).…”

Section: Discussionmentioning

confidence: 99%

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Phenotypic Variation of Cold Stress Resistance‐Related Traits of White Clover Populations Naturalized in Patagonian Cold Environments

2018

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White clover (Trifolium repens L.) is the main forage legume species in grazing pastures in central, central‐southern, and southern regions of Chile and many other temperate regions of the world. The selection of cold stress resistance genotypes is an important step for breeding cultivars to improve the clover growth curve and extend the grazing season in early spring and autumn. The objective of this work was to phenotypically characterize a population of 192 white clover genotypes selected for cold stress resistance under three contrasting regional winter‐cold conditions (mean daily minimum air temperatures of 2.5, 1.6, and −1.4°C) during the coldest month. An α‐lattice experimental field design was used, with 24 incomplete blocks and two replicates. Morphological, physiological and biochemical traits were evaluated at different dates over three growing seasons from 2013 to 2016. A high degree of variability was found among the genotypes for all the characteristics studied. There was no effect of environment when the experimental sites were considered as a source of variation, but comparison of measurements taken at dates separated by a winter showed that there was a decrease in stolon length and diameter, petiole length, leaflet size, and dry matter accumulation in response to cold conditions. The normalized difference and medium resolution imaging spectrometer terrestrial chlorophyll vegetation indices (NDVI and MTCI, respectively) and water‐soluble carbohydrate concentrations in stolons also varied among genotypes and were affected by winter cold. The high degree of phenotypic variability allows for the use of this population as a genetic source for cold stress resistance in white clover.

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Section: Relationships Among the Evaluated Cold Stress Resistance Phesupporting

confidence: 90%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Phenotypic Variation of Cold Stress Resistance‐Related Traits of White Clover Populations Naturalized in Patagonian Cold Environments

2018

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“…The calculation was performed by comparing the MS2_10 and S2 bands over the study area in the three different phenological stage [72]. The maximum of the cross-correlation matrix normalized was obtained for indexes (8,8) i.e., for a lag (0, 0), considering that the image size is an 8 × 8 pixel.…”

Section: Georeferencingmentioning

confidence: 99%

Sentinel-2 Data and Unmanned Aerial System Products to Support Crop and Bare Soil Monitoring: Methodology Based on a Statistical Comparison between Remote Sensing Data with Identical Spectral Bands

et al. 2022

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The growing need for sustainable management approaches of crops and bare soils requires measurements at a multiple scale (space and time) field system level, which have become increasingly accurate. In this context, proximal and satellite remote sensing data cooperation seems good practice for the present and future. The primary purpose of this work is the development of a sound protocol based on a statistical comparison between Copernicus Sentinel-2 MIS satellite data and a multispectral sensor mounted on an Unmanned Aerial Vehicle (UAV), featuring spectral deployment identical to Sentinel-2. The experimental dataset, based on simultaneously acquired proximal and Sentinel-2 data, concerns an agricultural field in Pisa (Tuscany), cultivated with corn. To understand how the two systems, comparable but quite different in terms of spatial resolution and atmosphere impacts, can effectively cooperate to create a value-added product, statistical tests were applied on bands and the derived Vegetation and Soil index. Overall, as expected, due to the mentioned impacts, the outcomes show a heterogeneous behavior with a difference between the coincident bands as well for the derived indices, modulated in the same manner by the phenological status (e.g., during the canopy developments) or by vegetation absence. Instead, similar behavior between two sensors occurred during the maturity phase of crop plants.

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“…Zo rapporteerden Murray et al (2000) voor Belangrijk is ook de eventuele trade-offs in kaart te brengen. Het verbeteren van nutriëntopname-efficiëntie door productie van worteltypes waarin op koolstof bespaard wordt zou bijvoorbeeld vermindering van input van organische stof in de bodem met zich mee kunnen brengen.…”

Section: Discussieunclassified

Invloed van gewassen op bodemkwaliteit: Variatie tussen genotypen : een verkennende literatuurstudie voor ruwvoedergewassen

Wiel¹,

Stress²,

Linden³

et al. 2017

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Effect of temperature on growth and morphology of two varieties of white clover (Trifolium repens L.) and their impact on soil microbial activity

Cited by 9 publications

References 23 publications

Phenotypic Variation of Cold Stress Resistance‐Related Traits of White Clover Populations Naturalized in Patagonian Cold Environments

Phenotypic Variation of Cold Stress Resistance‐Related Traits of White Clover Populations Naturalized in Patagonian Cold Environments

Sentinel-2 Data and Unmanned Aerial System Products to Support Crop and Bare Soil Monitoring: Methodology Based on a Statistical Comparison between Remote Sensing Data with Identical Spectral Bands

Invloed van gewassen op bodemkwaliteit: Variatie tussen genotypen : een verkennende literatuurstudie voor ruwvoedergewassen

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