15 August 2017, Volume 29 Issue 增刊
    

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  • Cotton Science. 2017, 29(增刊): 1-10. https://doi.org/10.11963/1002-7807.ysxysx.20170825
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    Early-maturity cotton is suitable for direct-seeded after wheat (rape) harvest and realize the crop system of grain and cotton two crops a year. Early-maturity cotton is of great significance to the stable development of cotton industry. This paper showed the research progress of genetic characteristics of early maturity, QTL mapping of earliness-related traits and mining of earliness-related gene. We summarized the breeding development and the creation and application of germplasm resources in early-maturity cotton. The demonstration and application of early-maturity cotton in Yellow River basin, Yangtze River basin and northwest inland of China were showed. The prospect of breeding was brought in early-maturity cotton. This report will provide reference for early-maturity cotton breeding in China.
  • Zhao Yunlei, Wang Ning, Ge Xiaoyang, Zhang Chaojun, Yan Gentu, Wang Hongmei, Li Fuguang
    Cotton Science. 2017, 29(增刊): 11-19. https://doi.org/10.11963/1002-7807.zyllfg.20170825
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    Abiotic or biotic stress such as disease, drought and salinity is the main influence factors that improving and stabilizing the cotton yields. Genetic improvement for cotton stress resistance using traditional breeding strategy and modern biotechnology can realize the objects of high yield, superior quality and multiresistance and cultivate breakthrough cotton variety in cotton breeding. We reviewed the recent achievements in creating the new cotton lines for stress resistance, developing the key technologies for cotton stress resistance improvement, and cultivating the new cotton varieties, which achieved by the group of genetic improvement for cotton stress resistance in the Institute of Cotton Research of Chinese Academy of Agricultural Sciences. What's more, we presented the future scope, the purpose and the prospect of genetic improvement for cotton stress resistance in China.
  • Cotton Science. 2017, 29(增刊): 20-27. https://doi.org/10.11963/1002-7807.zdysgl.20170825
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    Cotton is the most important economic crop in the world. Rapid advances have been made in cotton functional genomic research in the recent years. Along with the high throughput next sequencing technology applied in cotton research, diploid and allotetraploid cotton species genome sequencing were accomplished successively. Cotton genome re-sequencing and genome wide association study (GWAS) is spring up. Vast of functional genes were isolated and characterized. This review gave a glimpse on the progress made in cotton functional genomics research, highlighting the genome sequencing of Gossypium, and GWAS on the cultivated cotton species; and summarized the progress on the key functional genes in the development of fiber and gland biogenesis, and the genes played important roles in cotton resistant to drought and salinity stress. This review will help us to understand the genetic architecture of the agronomic traits of cotton, and provide theoretical foundation for cotton genetic improvement.
  • Cotton Science. 2017, 29(增刊): 28-36. https://doi.org/10.11963/1002-7807.xczxcz.20170825
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    Cotton heterosis utilization was first studied in 1920s, and utilized in 1970s, but large scale applied in production in China in 1990s. In the beginning of 21st century, with the successful breeding and application of transgenic Bt cotton hybrids, the utilization of cotton hybrids was largely accelerated with the covering whole cotton region in the Yangtse River Valley and a part in the Yellow River Valley and Xinjiang cotton region. Recently, as continuous rising of labor cost, the simplified, high effective and low cost cotton planting has become an inevitable trend, which brings a new challenge for cotton heterosis utilization study. This paper summarized the main progress on the applied and basic research of cotton heterosis along with its hybrid seeds production methods in the recent decade and future development.
  • Zhu Heqin, Li Zhifang, Feng Zili, Feng Hongjie, Wei Feng, Zhao Lihong, Shi Yongqiang, Liu Shichao, Zhou Jinglong
    Cotton Science. 2017, 29(增刊): 37-50. https://doi.org/10.11963/1002-7807.zhqzhq.20170825
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    Verticillium wilt is one of the main obstacles to adversely affect the sustainable development of cotton production. We review the progress on genetic diversity and pathogenic mechanism of Verticillium dahliae, resistance mechanism of host plant, early warning technology and integrated management of Verticillium wilt involved in both China and other countries, especially the progress on infection process of V. dahliae and to further clarify the molecular mechanism in this paper; The latest researches show that systematic study of the relationship between genetic diversity of the pathogen and pathogenicity or geographical origin have been done, the pathogen information archives were established for the first time. The prospect of the hotspot research in cotton Verticillium wilt in the future was also discussed, so as to provide reference for controlling cotton Verticillium wilt.
  • Du Xiongming, Liu Fang, Wang Kunbo, Jia Yinhua, Zhou Zhongli, He Shoupu, Gong Wenfang, Pan Zhao’e, Wang Liru, Geng Xiaoli, Pang Baoyin
    Cotton Science. 2017, 29(增刊): 51-61. https://doi.org/10.11963/1002-7807.dxmdxm.20170825
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     During the 12th Five-Year-Plan period, 1220 cotton accessions including 986 Gossypium hirsutum L. accessions, 176 G. barbadense L. accessions and 58 G. aboreum L. accessions were collected through exploring in the southwest China, islands of South China Sea, and foreign origin center of wild cotton. All the accessions have been preserved in the National Medium-term Gene Bank of Cotton in China. Evaluation of main agronomic traits were carried out in the fields and labs of Anyang, Sanya and Alaer. SSR markers and resequencing were used to evaluate these collected accessions. Abundant of genes were found to be associated with the fiber quality, verticillium wilt resistance, drought tolerance and glyphosate-resistance. New accessions with high yield, excellent fiber quality and stress resistance, were also developed through radiation mutation, interspecific and multiple hybridization. All the accessions were totally released 19 191 times to the researchers in the colleges, institutes and companies after field display.
  • Shang Haihong, Yu Jiwen, Shi Yuzhen, Gong Wankui, Li Junwen, Wu Man, Ge Qun, Gong Juwu, Fan Senmiao, Yuan Youlu
    Cotton Science. 2017, 29(增刊): 62-71. https://doi.org/10.11963/1002-7807.shhyyl.20170825
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    The fiber quality, yield and resistance of cotton were all the quantitative traits which were controlled by multi-genes and affected by the genotype and environment. As the fiber quality traits and yield traits showed negative correlation, improving the fiber quality and yield of cotton is difficult synchronously. Aiming at the key scientific problem that the hereditary basis of fiber quality, yield and resistance, the team of molecular design of cotton varieties used the population which were constructed by two Gossypium hirsutum of intraspecific and population constructed by one G. hirsutum and one G. barbadense of interspecific, combined the subject of molecular quantitative genetics, functional genomics and molecular breeding the genes related to high fiber quality and resistance in G. hirsutum, and G. barbadense were discovered, the method of molecular mark assisted breeding was developed and the new cotton varieties were cultivated. These results could provide new data and materials to solve the problem of the large scientific problem that the hereditary basis of fiber quality, yield and resistance.
  • Zhang Xiling, Song Meizhen, Gui Huiping, Pang Nianchang, Wang Xiangru, Zhang Hengheng, Dong Qiang
    Cotton Science. 2017, 29(增刊): 72-79. https://doi.org/10.11963/1002-7807.zxlzxl.20170825
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    The cotton planting technology standardization is the technical support to lead the development of the cotton industry.  In this paper, we summarized the standardization research work and the present progress abroad, and the development courses of the domestic cotton technology standardization, the classification and the  function of standards, and the initial formation systems of the cotton technology standardization.  We also prospected the development of the cotton planting technology standardization in the future, put forward the development way of standards of "internationalization, systematization, normalization". The new standard system of the collaborative development was established between the government led standards and the market independent standards by the current system reform. The aim is to provide reference for the development of the cotton planting technology standards in our country.
  • Cotton Science. 2017, 29(增刊): 80-88. https://doi.org/10.11963/1002-7807.lyblyb.20170825
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    Simplified cotton cultivation which adapt to China's national conditions has become an important way to improve the competitiveness and sustainability of China cotton. We analyzed the main problems faced by cotton production in China, reviewed the formation and development of simplified cotton cultivation technologies in China, summarized the key technologies during cotton production including planting (seedling transplanting) , simplified pruning, rational close planting, simplified fertilization, plant protection, irrigation and mechanized harvest, explained the regulation theory of cotton maturity and plant type, and put forward the key technologies and related theories to further improve and develop the simplified cotton cultivation techniques and promote the sustainable production of cotton production.
  • Wei Shoujun, Tang Shurong, Kuang Meng, Wang Yanqin, Ma Lei
    Cotton Science. 2017, 29(增刊): 89-99. https://doi.org/10.11963/1002-7807.wsjwsj.20170825
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    This paper summarizes recent advances in research on cotton fiber test technology, seed molecular detection technology, utilization of cotton by-products and risk assessment techniques. We raise the problems in the field of cotton industry in China, and puts forward some technical suggestions to solve these problems.
  • Luo Junyu, Zhang Shuai, Ren Xiangliang, Lü Limin, Zhang Lijuan, Ji Jichao, Ma Yan, Cui Jinjie
    Cotton Science. 2017, 29(增刊): 100-112. https://doi.org/10.11963/1002-7807.ljycjj.20170825
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     In recent ten years, cotton planting areas have changed. We summarized the new characteristics of occurrence of cotton main pests, in combine with the research on the trend of resistance development, application of green pesticides, biological and ecological control techniques in this review. Then we propose the weak links for pests control in our country, and prospect the future research direction of cotton pests, which will provide theoretical guidance for the further research of pest’s management.
  • Fu Xiaoqiong, Peng Jun
    Cotton Science. 2017, 29(增刊): 113-117. https://doi.org/10.11963/1002-7807.fxqpj.20170825
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    A brief review of the development process of the national cotton regional test in recent five decades, has been taken as well as the detail description of national authorized cotton variety, the evolution of the cotton test groups of National Cotton Regional Test in recent decades, the molecular technology adapting to application of the regional test. Some new suggestions have been put forward to improve cotton regional experiments.
  • Li Pengcheng, Zheng Cangsong, Sun Miao, Pang Chaoyou, Zhang Siping, Liu Shaodong, Chen Jing, Li Yabing, Dong Helin, Zhao Xinhua
    Cotton Science. 2017, 29(增刊): 118-130. https://doi.org/10.11963/1002-7807.lpczxh.20170825
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    In this paper we reviewed the nutrient requirement characteristics of cotton with different varieties, different planting patterns, and different yield levels in different cotton areas in the recent ten years, and summarized optimum application rates and techniques of fertilization of nitrogen, phosphorus, and potassium fertilizer for cotton in different cotton areas. We also outlined research progress on the high-efficiency utilization mechanisms of nitrogen, phosphorus and potassium for cotton, and put forward research directions of techniques of fertilization and nutrition mechanism for cotton in the future.