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Recent The Crop Journal Articles

Recently published articles from The Crop Journal.

Development and identification of a dwarf wheat-Leymus mollis double substitution line with resistance to yellow rust and Fusarium head blight

August 2019
Jixin Zhao | Yang Liu | Xueni Cheng | Yuhui Pang | Jiachuang Li | Zhenqi Su | Jun Wu | Qunhui Yang | Guihua Bai | Xinhong Chen

Leymus mollis (Trin.) Pilger (2n = 4x = 28, NsNsXmXm,), a wild relative of common wheat, possesses many potentially valuable traits for genetic improvement of wheat, including strong, short stems, long...

High-density SNP genetic linkage map construction and quantitative trait locus mapping for resistance to cucumber mosaic virus in tobacco (Nicotiana tabacum L.)

August 2019
Lirui Cheng | Xiaocui Chen | Caihong Jiang | Bing Ma | Min Ren | Yazeng Cheng | Dan Liu | Ruimei Geng | Aiguo Yang

Genetic linkage maps are essential for studies of genetics, genomic structure, and genomic evolution, and for mapping quantitative trait loci (QTL). Identification of molecular markers and construction...

Physiological and genome-wide gene expression analyses of cold-induced leaf rolling at the seedling stage in rice (Oryza sativa L.)

August 2019
Jingfang Dong | Junliang Zhao | Shaohong Zhang | Tifeng Yang | Qing Liu | Xingxue Mao | Hua Fu | Wu Yang | Bin Liu

Leaf rolling and discoloration are two chilling-injury symptoms that are widely used as indicators for the evaluation of cold tolerance at the seedling stage in rice. However, the difference in cold-response...

Integrated agronomic practice increases maize grain yield and nitrogen use efficiency under various soil fertility conditions

August 2019
Baoyuan Zhou | Xuefang Sun | Dan Wang | Zaisong Ding | Congfeng Li | Wei Ma | Ming Zhao

Crop yield potential can be increased through the use of appropriate agronomic practices. Integrated agronomic practice (IAP) is an effective way to increase maize (Zea mays L.) grain yield and nitrogen...

Effects of tridimensional uniform sowing on water consumption, nitrogen use, and yield in winter wheat

August 2019
Zhiqiang Tao | Shaokang Ma | Xuhong Chang | Demei Wang | Yanjie Wang | Yushuang Yang | Guangcai Zhao | Jiancang Yang

Wheat is a staple crop worldwide, but yields may diminish as climate change causes increasingly unpredictable patterns of precipitation and soil nutrient availability. Farmers are thus challenged to...

Identification of SNP and InDel variations in the promoter and 5′ untranslated regions of γ-tocopherol methyl transferase (ZmVTE4) affecting higher accumulation of α-tocopherol in maize kernel

August 2019
Abhijit Kumar Das | Rashmi Chhabra | Vignesh Muthusamy | Hema Singh Chauhan | Rajkumar Uttamrao Zunjare | Firoz Hossain

Deficiency of vitamin-E or tocopherol causes neurological and cardiovascular disorders in humans. Though maize kernel is rich in total tocopherol, the level of α-tocopherol possessing the highest vitamin-E...

Involvement of sulfur assimilation in the low β subunit content of soybean seed storage protein revealed by comparative transcriptome analysis

August 2019
Xi Zhang | Ruixin Xu | Wei Hu | Wan Wang | Dezhi Han | Fan Zhang | Yongzhe Gu | Yong Guo | Jun Wang | Lijuan Qiu

The β subunit of soybean [Glycine max (L.) Merr.] seed storage protein is of great significance in sulfur-containing amino acid balance and soybean processing properties. The objective of this study...

Genetic mapping of QTL for agronomic traits and grain mineral elements in rice

August 2019
Gwen Iris Descalsota-Empleo | Amery Amparado | Mary Ann Inabangan-Asilo | Frances Tesoro | James Stangoulis | Russell Reinke | B.P. Mallikarjuna Swamy

Malnutrition is one of the prevailing health problems worldwide, affecting a large proportion of the populations in rice-consuming countries. Breeding rice varieties with increased concentrations of...

Identification of a novel seed size associated locus SW9-1 in soybean

August 2019
Jiajia Li | Jinghui Zhao | Yinghui Li | Yali Gao | Sunan Hua | Muhammad Nadeem | Genlou Sun | Wenming Zhang | Jinfeng Hou | Xiaobo Wang | Lijuan Qiu

Seed size is one of the vital traits determining seed appearance, quality, and yield. Untangling the genetic mechanisms regulating soybean 100-seed weight (100-SW), seed length and seed width across...

Retrotransposon-mediated DELLA transcriptional reprograming underlies semi-dominant dwarfism in foxtail millet

August 2019
Meicheng Zhao | Hui Zhi | Xue Zhang | Guanqing Jia | Xianmin Diao

Retrotransposons account for a large proportion of the genome and genomic variation, and play key roles in creating novel genes and diversifying the genome in many eukaryotic species. Although retrotransposons...

Identification of QTL for kernel number-related traits in a rice chromosome segment substitution line and fine mapping of qSP1

August 2019
Fuying Ma | Xiaoyan Zhu | Hui Wang | Shiming Wang | Guoqing Cui | Ting Zhang | Zhenglin Yang | Guanghua He | Yinghua Ling | Nan Wang | Fangming Zhao

A chromosome segment substitution line (CSSL) is a powerful tool for combining quantitative trait locus (QTL) mapping with the pyramiding of desirable alleles. The rice CSSL Z1364 with increased kernel...

Rice-duck co-culture benefits grain 2-acetyl-1-pyrroline accumulation and quality and yield enhancement of fragrant rice

August 2019
Meijuan Li | Ronghua Li | Shiwei Liu | Jia'en Zhang | Hao Luo | Shuqing Qiu

Rice-duck co-culture is an integrated farming technology that benefits rice production, grain quality, and ecological sustainability in paddy fields. However, little is known about the effects of rice-duck...

The effect of integrative crop management on root growth and methane emission of paddy rice

August 2019
Hao Zhang | Hailang Liu | Danping Hou | Yilei Zhou | Mengzhu Liu | Zhiqin Wang | Lijun Liu | Junfei Gu | Jianchang Yang

In previous studies, integrative crop management (ICM) improved shoot growth and grain yield of rice (Oryza sativa L.). However, little is known about the effect of ICM on root growth and methane (CH4)...

Relay-intercropping soybean with maize maintains soil fertility and increases nitrogen recovery efficiency by reducing nitrogen input

Available online 16 August 2019
Qing Du | Li Zhou | Ping Chen | Xiaoming Liu | Chun Song | Feng Yang | Xiaochun Wang | Weiguo Liu | Xin Sun | Junbo Du | Jiang Liu | Kai Shu | Wenyu Yang | Taiwen Yong

Optimized nitrogen (N) management can increase N-use efficiency in intercropping systems. Legume-nonlegume intercropping systems can reduce N input by exploiting biological N fixation by legumes. Measurement...

Genetic analysis and QTL mapping of stalk cell wall components and digestibility in maize recombinant inbred lines from B73×By804

Available online 10 August 2019
Qi Wang | Kun Li | Xiaojiao Hu | Huimin Shi | Zhifang Liu | Yujin Wu | Hongwu Wang | Changling Huang

The cell wall composition and structure of the maize stalk directly affects its digestibility and in turn its feed value. Previous studies of stem quality have focused mostly on common maize germplasm,...

Assessment of the individual and combined effects of Rht8 and Ppd-D1a on plant height, time to heading and yield traits in common wheat

Available online 10 August 2019
Kunpu Zhang | Junjun Wang | Huanju Qin | Zhiying Wei | Libo Hang | Pengwei Zhang | Matthew Reynolds | Daowen Wang

Grain yield in cereal crops is a complex trait controlled by multiple genes and influenced by developmental processes and environment. Here we report the effects of alleles Rht8 and Ppd-D1a on plant...

Improving the efficiency of the CRISPR-Cas12a system with tRNA-crRNA arrays

Available online 22 July 2019
Xixun Hu | Xiangbing Meng | Jiayang Li | Kejian Wang | Hong Yu

CRISPR-Cas12a offers a convenient tool for multiplex genome editing in rice. However, the CRISPR-Cas12a system displays variable editing efficiency across genomic loci, with marked influence by CRISPR...

Meta-analysis of QTL for Fusarium head blight resistance in Chinese wheat landraces

Available online 19 July 2019
Jin Cai | Shan Wang | Zhenqi Su | Tao Li | Xianghui Zhang | Guihua Bai

Epidemics of Fusarium head blight (FHB), incited by Fusarium graminearum Schwabe, in wheat cause significant reductions in grain yield and quality. Numerous quantitative trait loci (QTL) for FHB resistance...

Breeding wheat for resistance to Fusarium head blight in the Global North: China, USA, and Canada

Available online 19 July 2019
Zhanwang Zhu | Yuanfeng Hao | Mohamed Mergoum | Guihua Bai | Gavin Humphreys | Sylvie Cloutier | Xianchun Xia | Zhonghu He

The objective of this paper is to review progress made in wheat breeding for Fusarium head blight (FHB) resistance in China, the United States of America (USA), and Canada. In China, numerous Chinese...

Basal internode elongation of rice as affected by light intensity and leaf area

Available online 18 July 2019
Xuhua Zhong | Kaiming Liang | Bilin Peng | Ka Tian | Xiaojuan Li | Nongrong Huang | Yanzhuo Liu | Junfeng Pan

Short basal internodes are important for lodging resistance of rice (Oryza sativa L.). Several canopy indices affect the elongation of basal internodes, but uncertainty as to the key factors determining...

A wheat chromosome 5AL region confers seedling resistance to both tan spot and Septoria nodorum blotch in two mapping populations

Available online 18 July 2019
Wenjing Hu | Xinyao He | Susanne Dreisigacker | Carolina P. Sansaloni | Philomin Juliana | Pawan K. Singh

Tan spot (TS) and Septoria nodorum blotch (SNB), caused by Pyrenophora tritici-repentis and Parastagonospora nodorum, respectively, are important fungal leaf-spotting diseases of wheat that cause significant...

Synergistic roles of LAX1 and FZP in the development of rice sterile lemma

Available online 18 July 2019
Yidong Wang | Shanshan Wei | Yubing He | Lang Yan | Rongchen Wang | Yunde Zhao

Rice florets are subtended by two sterile lemmas, whose origin and biological functions have not been studied extensively. Here we demonstrate that two putative transcription factors, LAX PANICLE1 (LAX1)...

Identifying key traits in high-yielding rice cultivars for adaptability to both temperate and tropical environments

Available online 18 July 2019
Toshiyuki Takai | Patrick Lumanglas | Eliza Vie Simon | Yumiko Arai-Sanoh | Hidetoshi Asai | Nobuya Kobayashi

Increasing rice yield potential is a continuous challenge posed by world population growth. To increase yield potential, favorable alleles of valuable genes need to be accumulated in promising germplasm....

Deep neural network algorithm for estimating maize biomass based on simulated Sentinel 2A vegetation indices and leaf area index

Available online 18 July 2019
Xiuliang Jin | Zhenhai Li | Haikuan Feng | Zhibin Ren | Shaokun Li

Accurate estimation of biomass is necessary for evaluating crop growth and predicting crop yield. Biomass is also a key trait in increasing grain yield by crop breeding. The aims of this study were...

Effect of high-nitrogen fertilizer on gliadin and glutenin subproteomes during kernel development in wheat (Triticum aestivum L.)

Available online 18 July 2019
Shoumin Zhen | Xiong Deng | Xuexin Xu | Nannan Liu | Dong Zhu | Zhimin Wang | Yueming Yan

Nitrogen (N), a macronutrient essential for plant growth and development, is needed for biosynthesis of protein and starch, which affect grain yield and quality. Application of high-N fertilizer increases...

Draft genome sequence of a less-known wild Vigna: Beach pea (V. marina cv. ANBp-14-03)

Available online 18 July 2019
Awnindra Kumar Singh | A. Velmurugan | Debjyoti Sen Gupta | Jitendra Kumar | Ravi Kesari | Aravind Konda | Narendra Pratap Singh | Sibnarayan Dam Roy | Utpal Biswas | R. Rahul Kumar | Sanjay Singh

Beach pea or beach cowpea (Vigna marina (Burm.) Merr.) belongs to the family Fabaceae. It is a close relative of cultivated Vigna species such as adzuki bean (V. angularis), cowpea (V. unguiculata),...

Generation of selectable marker-free soft transgenic rice with transparent kernels by downregulation of SSSII-2

Available online 18 July 2019
Zhihao Xu | Meimei Yu | Youwei Yin | Cenwen Zhu | Wen Ji | Changquan Zhang | Qianfeng Li | Honggen Zhang | Shuzu Tang | Hengxiu Yu | Qiaoquan Liu

The amylose content (AC) of rice endosperm starch varies from 0 to 35%, and is associated with rice cooking and eating quality. Soft rice has low AC, generally between 6% and 15%, and its eating quality...

Comparative FISH and molecular identification of new stripe rust resistant wheat-Thinopyrum intermedium ssp. trichophorum introgression lines

Available online 17 July 2019
Jianbo Li | Qiheng Chen | Peng Zhang | Tao Lang | Sami Hoxha | Guangrong Li | Zujun Yang

Thinopyrum intermedium (2n = 6x = 42, JJJsJsStSt) has been hybridized extensively with common wheat and has proven to be a valuable germplasm source for improving disease resistance, quality attributes,...

Genetic bases of source-, sink-, and yield-related traits revealed by genome-wide association study in Xian rice

Available online 17 July 2019
Yun Wang | Yunlong Pang | Kai Chen | Laiyuan Zhai | Congcong Shen | Shu Wang | Jianlong Xu

The source-sink relationship determines the ultimate grain yield. We investigated the genetic basis of the relationship between source and sink and yield potential in rice. In two environments, we identified...

Transcriptome and QTL analyses reveal candidate genes for fiber quality in Upland cotton

Available online 16 July 2019
Hantao Wang | Ruiting Zhang | Chao Shen | Ximei Li | De Zhu | Zhongxu Lin

With increasing demand for high-quality cotton, it is desirable to identify genes involved in fiber development for molecular improvement of cotton. In this study, 780 differentially expressed genes...

The cotton WRKY transcription factor GhWRKY70 negatively regulates the defense response against Verticillium dahliae

June 2019
Xianpeng Xiong | Shichao Sun | Yanjun Li | Xinyu Zhang | Jie Sun | Fei Xue

WRKY transcription factors (TFs) play important roles in the regulation of biotic and abiotic stresses. However, the functions of most WRKY TFs in upland cotton (Gossypium hirsutum) are still unknown....

Using irrigation intervals to optimize water-use efficiency and maize yield in Xinjiang, northwest China

June 2019
Guoqiang Zhang | Dongping Shen | Bo Ming | Ruizhi Xie | Xiuliang Jin | Chaowei Liu | Peng Hou | Jun Xue | Jianglu Chen | Wanxu Zhang | Wanmao Liu | Keru Wang | Shaokun Li

Worldwide, scarce water resources and substantial food demands require efficient water use and high yield. This study investigated whether irrigation frequency can be used to adjust soil moisture to...

Identification of a major quantitative trait locus and its candidate underlying genetic variation for rice stigma exsertion rate

June 2019
Shouling Xu | Yunchao Zheng | Yang Liu | Xiaohao Guo | Yuanyuan Tan | Qiuping Qian | Qingyao Shu | Jianzhong Huang

Stigma exsertion in male sterile lines of hybrid rice is important for seed yield. In the present study, ZS616 [Oryza sativa subsp. Xian (indica)], a male sterile line with a stigma exsertion rate (SER)...

The maize late embryogenesis abundant protein ZmDHN13 positively regulates copper tolerance in transgenic yeast and tobacco

June 2019
Yang Liu | Daxing Li | Qiping Song | Tianpeng Zhang | Dequan Li | Xinghong Yang

Late embryogenesis abundant (LEA) proteins accumulate in the late stage of plant seed development, and are upregulated in most plants during drought, cold, heat, or salinity stress. LEA proteins can...

Comparative transcriptome analysis reveals differential gene expression in resistant and susceptible tobacco cultivars in response to infection by cucumber mosaic virus

June 2019
Dan Liu | Yazeng Cheng | Min Gong | Qiang Zhao | Caihong Jiang | Lirui Cheng | Min Ren | Yuanying Wang | Aiguo Yang

Cucumber mosaic virus (CMV) is one of the most severe viral diseases transmitted by aphids infecting Solanum crops in China, causing great losses of crop yields and income in rural communities. The...

A targeted QTL analysis for fiber length using a genetic population between two introgressed backcrossed inbred lines in upland cotton (Gossypium hirsutum)

June 2019
Guoyuan Liu | Wenfeng Pei | Dan Li | Jianjiang Ma | Yupeng Cui | Nuohan Wang | Jikun Song | Man Wu | Libei Li | Xinshan Zang | Shuxun Yu | Jinfa Zhang | Jiwen Yu

Cotton fiber is the most important natural raw material for the textile industry, and fiber length (FL) is one of the most important traits in cotton. Quantitative trait locus (QTL) mapping based on...

Brassinosteroid-regulated plant growth and development and gene expression in soybean

June 2019
Wenchao Yin | Nana Dong | Mei Niu | Xiaoxing Zhang | Lulu Li | Jun Liu | Bin Liu | Hongning Tong

Brassinosteroids (BRs) are endogenous phytohormones that play important roles in regulating plant growth and development. In this study, we evaluated the effects of brassinolide (BL, one of the active...

Linkage analysis and integrated software GAPL for pure-line populations derived from four-way and eight-way crosses

June 2019
Luyan Zhang | Lei Meng | Jiankang Wang

Pure lines derived from multiple parents provide abundant variation for genetic study. However, efficient genetic analysis methods and user-friendly software are still lacking. In this study, we developed...

Feeding of Riptortus pedestris on soybean plants, the primary cause of soybean staygreen syndrome in the Huang-Huai-Hai river basin

June 2019
Kai Li | Xinxin Zhang | Jianqiu Guo | Hannah Penn | Tingting Wu | Lin Li | Hong Jiang | Lidan Chang | Cunxiang Wu | Tianfu Han

Staygreen syndrome or Zhengqing in soybean has recently become a major issue for Chinese growers in the Huang-Huai-Hai river basin. Although previous studies revealed that staygreen can be induced when...

Developing green super rice varieties with high nutrient use efficiency by phenotypic selection under varied nutrient conditions

June 2019
Zilhas Ahmed Jewel | Jauhar Ali | Yunlong Pang | Anumalla Mahender | Bart Acero | Jose Hernandez | Jianlong Xu | Zhikang Li

The development of green super rice varieties with improved nutrient use efficiency (NuUE) is a vital target area to increase yield and make it more stable under rainfed conditions. In the present study,...

Identification of powdery mildew resistance loci in wheat by integrating genome-wide association study (GWAS) and linkage mapping

June 2019
Genqiao Li | Xiangyang Xu | Chengcheng Tan | Brett F. Carver | Guihua Bai | Xuewen Wang | J. Michael Bonman | Yanqi Wu | Robert Hunger | Christina Cowger

Wheat powdery mildew (Blumeria graminis f. sp. tritici, Bgt) is a disease of increasing importance globally due to the adoption of high yielding varieties and modern sustainable farming technologies....

Transcriptome analysis of salt-stress response in three seedling tissues of common wheat

June 2019
Qiaoling Luo | Wan Teng | Shuang Fang | Hongwei Li | Bin Li | Jinfang Chu | Zhensheng Li | Qi Zheng

Xiaoyan 60 (XY60) is a new wheat variety bred in the laboratory of Zhensheng Li. After salt treatment, seedlings of XY60 maintain green leaves and produce longer roots than the high yielding cultivar...

Enclosed stigma contributes to higher spikelet fertility for rice (Oryza sativa L.) subjected to heat stress

June 2019
Chao Wu | Kehui Cui | Qiuqian Hu | Wencheng Wang | Lixiao Nie | Jianliang Huang | Shaobing Peng

With global warming, rice plants may be subjected to heat stress more regularly during the heat-sensitive flowering stage, causing spikelet sterility and grain yield loss. Stigma exsertion is considered...

Overexpression of BnKCS1-1, BnKCS1-2, and BnCER1-2 promotes cuticular wax production and increases drought tolerance in Brassica napus

Available online 11 June 2019
Yanmei Wang | Shurong Jin | Yi Xu | Shuai Li | Shuangjuan Zhang | Zheng Yuan | Jiana Li | Yu Ni

Higher amounts of cuticular wax in plants have been associated with improved plant stress tolerance and increased potential for industrial use. In this study, orthologs of KCS1 and CER1 in Arabidopsis,...

Characterization of a new hexaploid triticale 6D(6A) substitution line with increased grain weight and decreased spikelet number

Available online 6 June 2019
Zhiyu Feng | Zhongqi Qi | Dejie Du | Mingyi Zhang | Aiju Zhao | Zhaorong Hu | Mingming Xin | Yingyin Yao | Huiru Peng | Qixin Sun | Zhongfu Ni

Hexaploid triticale (×Triticosecale, AABBRR) is an important forage crop and a promising energy plant. Transferring D-genome chromosomes or segments from common wheat (Triticum aestivum) into hexaploid...

Ameliorative effects of potassium on drought-induced decreases in fiber length of cotton (Gossypium hirsutum L.) are associated with osmolyte dynamics during fiber development

Available online 6 June 2019
Wenqing Zhao | Haoran Dong | Rizwan Zahoor | Zhiguo Zhou | John L. Snider | Yinglong Chen | Kadambot H.M. Siddique | Youhua Wang

Fiber length of cotton (Gossypium hirsutum L.) decreases under drought stress, potassium (K) could diminish the decreased caused by drought, but the mechanism associated with this alleviation effect...

Effects of the Fhb1 gene on Fusarium head blight resistance and agronomic traits of winter wheat

Available online 6 June 2019
Teng Li | Hongjun Zhang | Yiwen Huang | Zhenqi Su | Yun Deng | Hongwei Liu | Chunyan Mai | Guangjun Yu | Huili Li | Liqiang Yu | Tongquan Zhu | Li Yang | Hongjie Li | Yang Zhou

The gene Fhb1 has been used in many countries to improve wheat Fusarium head blight (FHB) resistance. To make better use of this gene in the Yellow-Huai River Valleys Winter Wheat Zone (YHWZ), the most...

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