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Improving maize growth and development simulation by integrating temperature compensatory effect under plastic film mulching into the AquaCrop model

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The Crop Journal 2023年第5期11卷 1559-1568页

作者： Chao Zhang Jiying Kong Min Tang Wen Lin Dianyuan Ding Hao Feng College of Hydraulic Science and Engineering Yangzhou UniversityYangzhou 225009JiangsuChina Institute of Water Saving Agriculture in Arid Areas of China Northwest A&F UniversityYangling 712100ShaanxiChina Collage of Agriculture Shanxi Agricultural UniversityJinzhong 30801ShanxiChina

Temperature compensatory effect, which quantifies the increase in cumulative air temperature from soil temperature increase caused by mulching, provides an effective method for incorporating soil temperature into crop models. In this study, compensated temperature was integrated into the AquaCrop model to investigate the capability of the compensatory effect to improve assessment of the promotion of maize growth and development by plastic film mulching(PM). A three-year experiment was conducted from2014 to 2016 with two maize varieties(spring and summer) and two mulching conditions(PM and non-mulching(NM)), and the AquaCrop model was employed to reproduce crop growth and yield responses to changes in NM, PM, and compensated PM. A marked difference in soil temperature between NM and PM was observed before 50 days after sowing(DAS) during three growing seasons. During sowing–emergence and emergence–tasseling, the increase in air temperature was proportional to the compensatory coefficient, with spring maize showing a higher compensatory temperature than summer maize. Simulation results for canopy cover(CC) were generally in good agreement with the measurements, whereas predictions of aboveground biomass and grain yield under PM indicated large underestimates from 60 DAS to the end of maturity. Simulations of spring maize biomass and yield showed general increase based on temperature compensation, accompanied by improvement in modeling accuracy, with RMSEs decreasing from 2.5 to 1.6 t ha^(-1)and from 4.1 t to 3.4 t ha^(-1). Improvement in biomass and yield simulation was less pronounced for summer than for spring maize, implying that crops grown during low-temperature periods would benefit more from the compensatory effect. This study demonstrated the effectiveness of the temperature compensatory effect to improve the performance of the AquaCrop model in simulating maize growth under PM practices.

关键词： Plastic film mulching Soil temperature compensatory effect AquaCrop model Maize growth

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Type XIX collagen: a promising biomarker from the basement membranes

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Neural Regeneration Research 2020年第6期15卷 988-995页

作者： Ana C.Calvo Laura Moreno Leticia Moreno Janne M.Toivonen Raquel Manzano Nora Molina Miriam de la Torre Tresa López Francisco J.Miana-Mena María J.Munoz Pilar Zaragoza Pilar Larrodé Alberto García-Redondo Rosario Osta Laboratory of Genetics and Biochemistry(LAGENBIO) University of ZaragozaFaculty of Veterinary SciencesInstituto de Investigación Sanitaria de Aragón(IIS)IA2CIBERNEDZaragozaSpain Hospital Clínico Universitario Lozano Blesa ZaragozaSpain Neurology Department ALS UnitCIBERER U-723Health Research InstituteMadridSpain

Among collagen members in the collagen superfamily,type XIX collagen has raised increasing interest in relation to its structural and biological *** XIX collagen is a Fibril-Associated Collagen with Interrupted Triple helices member,one main subclass of collagens in this *** collagen contains a triple helix composed of three polypeptide segments aligned in parallel and it is associated with the basement membrane zone in different *** molecular structure of type XIX collagen consists of five collagenous domains,COL1 to COL5,interrupted by six non-collagenous domains,NCI to *** most relevant domain by which this collagen exerts its biological roles is NCI domain that can be cleavage enzymatically to release matricryptins,exerting anti-tumor and anti-angiogenic effect in murine and human models of *** physiological conditions,type XIX collagen expression decreases after birth in different tissues although it is necessary to keep its basal levels,mainly in skeletal muscle and hippocampal and telencephalic interneurons in ***,in amyotrophic lateral sclerosis,altered transcript expression levels show a novel biological effect of this collagen beyond its structural role in basement membranes and its anti-tumor and anti-angiogenic *** XIX collagen can exert a compensatory effect to ameliorate the disease progression under neurodegenerative conditions specific to amyotrophic lateral sclerosis in transgenic SOD1 G93 A mice and amyotrophic lateral sclerosis *** novel biological role highlights its nature as prognostic biomarker of disease progression in and as promising therapeutic target,paving the way to a more precise prognosis of amyotrophic lateral sclerosis.

关键词： anti-tumor and anti-angiogenic properties C1 domain COL19A1 gene and protein levels compensatory effect FACIT collagens hippocampal interneurons matricryptins multiplexins NC1 domain regenerative response skeletal muscle type XIX collagen

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