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Colletotrichum species associated with cultivated citrus in China

Fungal Diversity 2013年第4期61卷 61-74页

作者： F.Huang G.Q.Chen X.Hou Y.S.Fu L.Cai K.D.Hyde H.Y.Li Institute of Biotechnology Zhejiang UniversityHangzhou 310058China State Key Laboratory of Mycology Institute of MicrobiologyChinese Academy of SciencesBeijing 100101China Institute of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai 57100Thailand

There have been considerable advances in the understanding of species concepts in the genus *** has lead to the need to carry out fresh surveys of Colletotrichum species associated with important *** species are associated with citrus plants as saprobes,important pre-harvest and post-harvest pathogens,as well as *** this study,a total of 312 Colletotrichum strains were isolated from leaves,shoots and fruits of cultivated citrus and Fortunella species with or without disease symptoms across the main citrus production areas in *** morphology of all strains were studied and multilocus(ACT,TUB2,CAL,GAPDH,GS,ITS)phylogeny *** were from four important species complexes of Colletotrichum,namely *** species complex,*** species complex,*** species complex and a final group including ***,which was rare on citrus *** species belonging to the *** species complex comprised *** porioides and ***,the *** complex comprised *** and a new species *** and the *** complex included a new species,*** ability of strains to cause anthracnose on citrus fruits was tested by inoculation and strains of Colletotrichum gloeosporioides,*** and *** were pathogenic.

关键词： citrus industry citrus diseases Anthracnose Colletotrichum gloeosporioides Colletotrichum acutatum Colletotrichum boninense Morphology Phylogenetic analysis

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A Study on Input-Output Efficiency of citrus in Jiangxi Province

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Asian Agricultural Research 2018年第1期10卷 10-15页

作者： Yu ZHONG Huazhong Agricultural University Wuhan 430070 China

This paper analyzes the citrus input-output efficiency by using the DEA-Malmquist productivity index methods based on the data of six counties in Jiangxi Province from 2010 to *** result shows that TFP of Jiangxi citrus is at low level overall,but the development is *** progress is the driving force to promote productivity *** on the static analysis study of six counties in 2013,it is found that the available input factors on the whole are in an ideal condition,and the citrus input factors in a few counties are ***,according to the results,the following policy recommendations are proposed:speeding up the intensive production of citrus in Jiangxi Province,to maximize the scale effect;adjusting the input ratio of various factors of production,so as to improve the citrus input-output efficiency.

关键词： Input-output efficiency Total factor productivity citrus industry Technological progress

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