Soil organic carbon and clay content as deciding factors for net nitrogen mineralization and cereal yields in boreal mineral soils     

Helena Soinne  Riikka Keskinen  Mari Räty  Sanna Kanerva  Eila Turtola  Janne Kaseva  Visa Nuutinen  Asko Simojoki  Tapio Salo 《European Journal of Soil Science》2021,72(4):1497-1512

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Fruit development in artificially self- and cross-pollinated strawberries (Fragaria × ananassa) and raspberries (Rubus idaeus)     

Saara Tuohimetsä  Tarja Hietaranta  Marjatta Uosukainen  Sanna Kukkonen  Saila Karhu 《Acta Agriculturae Scandinavica, Section B - Plant Soil Science》2013,63(5):408-415

Tunnel cultivation of berries is increasing on a global basis, and suitable management techniques are being studied for growing berry crops in a protected environment. Soil mulching and irrigation are among the techniques that significantly affect plant growth and yield. Tunnel cultivation is often limited to growing single cultivars, and little attention has been paid to the effects of growing several cultivars in the same tunnel. There are indications that crop yield and quality might benefit from cross-pollination. In this study, the effects of artificial self- and cross-pollination were studied in 15 strawberry and 6 red raspberry cultivars grown in a protected environment in a greenhouse. Four strawberry cultivars benefited from cross-pollination and one required it. In the case of raspberries, self- and cross-pollination had no effect on yield and fruit quality. In conclusion, particular berry cultivars are better suited to tunnel cultivation.  相似文献   

Malt hydrolysates for gluten-free applications: Autolytic and proline endopeptidase assisted removal of prolamins from wheat,barley and rye     

Sanna Luoto  Zhongqing Jiang  Outi Brinck  Tuula Sontag-Strohm  Päivi Kanerva  Maaike Bruins  Luppo Edens  Hannu Salovaara  Jussi Loponen 《Journal of Cereal Science》2012

Cereal based products intended for gluten sensitive individuals, particularly to celiac disease patients, tend to have poor organoleptic qualities and they contain low levels of healthy whole grain compounds. Adding whole grain ingredients, such as malt hydrolysates, could compensate these defects provided that the ingredients are adequately free from toxic prolamin epitopes. Here we demonstrate that the level of toxic prolamin epitopes in the malt autolysates (wheat, barley, rye) were substantially lower than in the native malts but too high to allow “very low in gluten” labelling. To further eliminate the residual levels of toxic prolamin epitopes, a proline-specific endoprotease from Aspergillus niger was added to the malt autolysates. In the resulting malt hydrolysates (of wheat and rye but not barley), the prolamins were indeed greatly reduced and were below the very low gluten limit of 100 mg/kg. Malt hydrolysates with adequately low gluten levels may potentially be used as novel ingredients within gluten-free foods.  相似文献   

What is your neurologic diagnosis? Taenia multiceps brain cyst     

Manunta ML  Evangelisti MA  Varcasia A  Columhano N  Passino ES 《Journal of the American Veterinary Medical Association》2012,240(5):525-527

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Effects of grazing exclusion and environmental conditions on the soil seed bank of a Mediterranean grazed oak wood pasture     

Antonello Franca  Giovanni Antonio Re  Federico Sanna 《Agroforestry Systems》2018,92(4):909-919

Large seed banks in the soils of Mediterranean wood pastures can allow the composition of the understorey vegetation to adapt to changing conditions such as under-grazing, grazing exclusion and climate change. This three year study investigated the effect of grazing exclusion on the transient and persistent seed banks of 23 areas of a Mediterranean wood pasture of Quercus suber L., Q. ilex L. and Q. pubescens Willd. A canonical correspondence analysis was used to determine the effect of topo-climatic (elevation, aspect, slope, rainfall, temperature, tree coverage), soil (pH, soil texture, and soil nitrogen, phosphorus, lime and organic carbon content) and biodiversity (Shannon index, species richness index, and Pastoral Value) variables on the soil seed bank under grazed and ungrazed conditions. The size of the persistent seed bank increased with rainfall, grazing, and the available phosphorus content of the soil. Specific site by site grazing regimes could increase the abundance of legumes in the soil seed bank and the species richness and diversity of the understorey vegetation. These results can help guide the conservation management of this silvopastoral area.  相似文献   

Carbohydrate pellets to assess insulin dysregulation in horses     

Melody A. de Laat  Tobias Warnken  Julien Delarocque  Dania B. Reiche  Anne J. Grob  Karsten Feige  Harry B. Carslake  Andy E. Durham  Martin N. Sillence  Kristen E. Thane  Nicholas Frank  Johan Brojer  Sanna Lindase  Johanna Sonntag 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2023,37(1):302-314

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Exploitation of Annual and Perennial Herbaceous Species for the Rehabilitation of a Sand Quarry in a Mediterranean Environment     

Claudio Porqueddu  Giovanni Antonio Re  Federico Sanna  Giovanna Piluzza  Leonardo Sulas  Antonio Franca  Simonetta Bullitta 《Land Degradation \u0026amp; Development》2016,27(2):346-356

Commercial seeds are widely used for re‐vegetation interventions in Mediterranean areas. These seeds mostly consist of species and varieties of non‐local provenance. The current practice relies mainly on forage or turf and fast growing species, even if it is often inefficient. Twenty‐two local populations or commercial varieties of annual and perennial species belonging to the botanical families Leguminosae, Graminaceae and Compositae were evaluated in a 4‐year field experiment in order to investigate their potential in terms of establishment and persistence in the re‐vegetation of an inactive sand quarry. Native species showed better performances than commercial varieties and encouraged further actions for the valorisation of local plant biodiversity. Among legumes, the best adapted species was the perennial Lotus cytisoides that showed high persistence in combination with other positive traits. A few annual species, that is, Melilotus indica, Trifolium subterraneum and Ornithopus sativus performed well and persisted until the end of the experiment. Among perennial grasses, Cynodon dactylon survived to drought and low soil nutrients. Both native annual grasses Lolium rigidum and Aegilops geniculata performed very well during the first 2 years of experiments. Both forbs, the perennial Cichorium intybus and the annual Chrysanthemum coronarium did not guarantee a satisfactory persistence. Some native species were evidenced, which may play an important role in the re‐vegetation of sand quarries and have good potential to be further characterized before introduction in the seed market. Copyright © 2013 John Wiley & Sons, Ltd.  相似文献   

Butterflies and diurnal moths along road verges: Does road type affect diversity and abundance?     

Kimmo Saarinen  Anu Valtonen  Sanna Saarnio 《Biological conservation》2005,123(3):403-412

Roadsides form potential habitats for several grassland species adapted to regular mowing management. We studied the communities of butterflies and day-active moths in 51 sites along the verges of the three road types, i.e., highways, urban roads and rural roads. Despite different traffic densities and widths of the road and verge, the groups were rather similar with regard to soil properties, vegetation structure and mowing intensity. The species richness and total abundance of butterflies (53 species, 5964 individuals) and diurnal moths (46 species, 4626 individuals) were also rather similar in each road type, although a preference for wider verges was observed. Butterfly diversity increased (but not significantly) from the verges of narrow rural roads to wider highways. The highest numbers of meadow species were recorded along highways and the total abundance, especially of diurnal moths, decreased in accordance with the road size. High nectar abundance was the most important factor increasing the numbers of meadow butterflies along road verges, while meadow moths were mostly favoured by shelter provided by tall vegetation. Verges surrounded by cultivated fields were generally related to low numbers of both Lepidoptera groups, whereas adjacent forests increased the total number of all species and favoured several butterflies inhabiting forest edges. The adjacent environment inflicted compositional differences on the Lepidoptera fauna of the three road types. The results indicate that road verges should be considered an important reserve for species dependent on semi-natural grasslands in Finland. A growing interest in accommodating current roadside management for conserving biodiversity is likely to benefit Lepidoptera communities in the verge habitats.  相似文献   

Impact of urbanization on plant diversity: A case study in built-up areas of Beijing     

Yao-qin Liang  Jing-wen Li  Jing Li  Sanna Katrina Valimaki 《中国林学(英文版)》2008,10(3):179-188

Urbanization is developing rapidly in the world, which seriously changes the habitat of organisms and has clearly a negative effect on biodiversity. Preservation of biodiversity is crucial in urban planning and management, which is also an important symbol for the level of greening. Problems such as scarcity of urban green space and plant species have become obstacles to the establishment of ecological friendly cities. However, coexistence of nature and modernization, as well the coordination of economic development and biodiversity, are goals that people are seeking. We have taken the builtup areas of Beijing as a study case and discussed the impacts of urbanization on plant diversity, with the support of fieldwork and SPOT remote sensing data. The results are as follows： 1） in the process of urbanization, exotic plants have been widely introduced, which has affected species composition and the proportion of native plants; it is clear that artificial green spaces always will have a lower level of plant diversity than natural green spaces; 2） functional differences of green space types partially decide their species abundance, so that plant diversity in greenbelts and streets is generally lower than in parks; 3） the spatial variety of plant diversity contributes much to the imbalance of district de- velopment and the planning of different functional zones; this variation is embodied in different ring-belts and directions; 4） habitat fragmentation also affects plant diversity to a great extent; there is a significant positive correlation between high fragmentation and low plant diversity. According our results, some suggestions are proposed, which would be suitable for the preservation of plant di- versity and ecological improvement during urbanization.  相似文献   

Veterinary leadership: Time for us to step into our own power     

Jeff Wilson  Jocelyn Rivers  Michele Anholt  Dauda Onawola  Gabor Lantos  David J. Speicher  Sal De Monte  Hind Kasab-Bachi  Treasure Haines  Sanna Noor  Will Gillam  Erin Suganda  Jeff Aramini 《The Canadian veterinary journal. La revue veterinaire canadienne》2022,63(6):647

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