2篇
您的检索式：作者名="Shi Xiefei"
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| 1 | Study on Safety Analysis of Botanical Pesticides显示文摘Aiming at the safety problems of botanical pesticides currently ignored,the paper analyzes the unsafe factors existing in botanical pesticides from the three aspects of active ingredients,inactive ingredients and unregistered active ingredients,in order to provide a scientific reference for the safe use and effective supervision of botanical pesticides. | Tan Heping Shi Xiefei Feng Dejian Chen Nengwu | 2014 | Plant Diseases and Pests2014，5，5： | 3 |
| 2 | Genomic insights into the genetic basis of cotton breeding in China显示文摘The excellent Upland cotton(Gossypium hirsutum)cultivars developed since 1949 have made a huge contribution to cotton production in China,the world's largest producer and consumer of cotton.However,the genetic and genomic basis for the improvements of these cotton cultivars remains largely unclear.In this study,we selected 16 Upland cotton cultivars with important historical status in Chinese cotton breeding and constructed a multiparent,advanced generation,intercross(MAGiC)population comprising 920 recombinant inbred lines.A genome-wide association study using the MAGIC population identified 54 genomic loci associated with lint yield and fiber quality.Of them,25(46.30%)pleiotropic genomic loci cause simultaneous changes of lint yield and/or fiber quality traits,revealing complex trade-offs and linkage drags in Upland cotton agronomic traits.Deep sequencing data of 11 introduced ancestor cultivars and publicly available resequencing datasets of 839 cultivars developed in China during the past 70 years were integrated to explore the historical distribution and origin of the elite or selected alleles.Interestingly,85%oftheseelitealleles were selectedandfixed fromdifferent Americanancestors,consistentwithcotton breeding practices in China.However,seven elite alleles of native origin that are responsible for Fusarium wilt resistance,early maturing,good-quality fiber,and other characteristics were not found in American an-cestors but have greatly contributed to Chinese cotton breeding and wide cultivation.Taken together,these results provide a genetic basis for further improving cotton cultivars and reveal that the genetic composition of Chinese cotton cultivars is narrow and mainly derived from early introduced American varieties. | Yiqian Li Zhanfeng Si Guoping Wang Zhuolin Shi Jinwen Chen Guoan Qi Shangkun Jin Zegang Han Wenhao Gao Yue Tian Yun Mao Lei Fang Yan Hu Hong Chen Xiefei Zhu Tianzhen Zhang | 2023 | Molecular Plant2023，16，4： | 0 |
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