Jujube(Ziziphus jujuba Mill.),or Chinese date,is the most important species of Rhamnaceae,a large cosmopolitan family,and is one of the oldest cultivated fruit trees in the world.It originates from the middle and lowe...Jujube(Ziziphus jujuba Mill.),or Chinese date,is the most important species of Rhamnaceae,a large cosmopolitan family,and is one of the oldest cultivated fruit trees in the world.It originates from the middle and lower reaches of the Yellow River,the‘mother river’of the Chinese people.It is distributed in at least 48 countries on all continents except Antarctica and is becoming increasingly important,especially in arid and semiarid marginal lands.Based on a systematic analysis of the unique characteristics of jujube,we suggest that it deserves to be recognized as a superfruit.We summarized historical research achievements from the past 3000 years and reviewed recent research advances since 1949 in seven fields,including genome sequencing and application,germplasm resources and systematic taxonomy,breeding and genetics,cultivation theory and techniques,pest control,postharvest physiology and techniques,and nutrition and processing.Based on the challenges facing the jujube industry,we discuss eight research aspects to be focused on in the future.展开更多
Modern life has contributed both to increasing living standards,increasing comfort and the development of society,but also to increasing the amount of waste that suffocates the planet and threatens the existence of pr...Modern life has contributed both to increasing living standards,increasing comfort and the development of society,but also to increasing the amount of waste that suffocates the planet and threatens the existence of present and future generations.Among the solutions that are sought and that are included in various programs and policies,the concept of circular economy is one that is increasingly discussed when talking about the sustainable development of society.The circular economy implies a reduction of the natural resources consumed due to both recycling and their fair consumption.At the U.E.level the foundations have been laid for policies aimed at waste management to ensure the application of the principles of the circular economy.Considering the importance that the quantification of the indicators for implementing the circular economy have on the elaboration of more efficient policies,but also on the determination of the degree of implementation of this concept,in this paper we intend to analyze the evolution of these indicators from 2010-2019,in the European Union using a customized version of the DPSIR model.Their analysis led us to the conclusion that although important steps have been taken towards the transition to the circular economy,there are still many aspects that need to be improved in order to achieve the proposed objectives through European policies.展开更多
基金supported by grants from the Significant Fund of Hebei Province Natural Science Foundation(grant number C2017204114)the National Science and Technology Support Plan of China(2019YFD1001605)the National Ten Thousand Talents Plan Leadership Project,and the Beijing Municipal Education Commission(CEFF-PXM2019_014207_000099).
文摘Jujube(Ziziphus jujuba Mill.),or Chinese date,is the most important species of Rhamnaceae,a large cosmopolitan family,and is one of the oldest cultivated fruit trees in the world.It originates from the middle and lower reaches of the Yellow River,the‘mother river’of the Chinese people.It is distributed in at least 48 countries on all continents except Antarctica and is becoming increasingly important,especially in arid and semiarid marginal lands.Based on a systematic analysis of the unique characteristics of jujube,we suggest that it deserves to be recognized as a superfruit.We summarized historical research achievements from the past 3000 years and reviewed recent research advances since 1949 in seven fields,including genome sequencing and application,germplasm resources and systematic taxonomy,breeding and genetics,cultivation theory and techniques,pest control,postharvest physiology and techniques,and nutrition and processing.Based on the challenges facing the jujube industry,we discuss eight research aspects to be focused on in the future.
文摘Modern life has contributed both to increasing living standards,increasing comfort and the development of society,but also to increasing the amount of waste that suffocates the planet and threatens the existence of present and future generations.Among the solutions that are sought and that are included in various programs and policies,the concept of circular economy is one that is increasingly discussed when talking about the sustainable development of society.The circular economy implies a reduction of the natural resources consumed due to both recycling and their fair consumption.At the U.E.level the foundations have been laid for policies aimed at waste management to ensure the application of the principles of the circular economy.Considering the importance that the quantification of the indicators for implementing the circular economy have on the elaboration of more efficient policies,but also on the determination of the degree of implementation of this concept,in this paper we intend to analyze the evolution of these indicators from 2010-2019,in the European Union using a customized version of the DPSIR model.Their analysis led us to the conclusion that although important steps have been taken towards the transition to the circular economy,there are still many aspects that need to be improved in order to achieve the proposed objectives through European policies.
