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Recent The Crop Journal Articles

Recently published articles from The Crop Journal.

Development of P genome-specific SNPs and their application in tracing Agropyron cristatum introgressions in common wheat

April 2019
Huihui Ma | Jinpeng Zhang | Jing Zhang | Shenghui Zhou | Haiming Han | Weihua Liu | Xinming Yang | Xiuquan Li | Lihui Li

As an important wild relative of wheat, Agropyron cristatum has been successfully used for wheat improvement. Currently, a few useful agronomic traits of A. cristatum, such as high grain number per...

The role of genomic structural variation in the genetic improvement of polyploid crops

April 2019
Sarah-Veronica Schiessl | Elvis Katche | Elizabeth Ihien | Harmeet Singh Chawla | Annaliese S. Mason

Many of our major crop species are polyploids, containing more than one genome or set of chromosomes. Polyploid crops present unique challenges, including difficulties in genome assembly, in discriminating...

Development and genetic analysis of wheat double substitution lines carrying Hordeum vulgare 2H and Thinopyrum intermedium 2Ai#2 chromosomes

April 2019
Jing Wang | Chang Liu | Xianrui Guo | Ke Wang | Lipu Du | Zhishan Lin | Xingguo Ye

Thinopyrum intermedium and barley are two close relatives of wheat and carry many genes that are potentially valuable for the improvement of various wheat traits. In this study we created wheat double...

A comparative analysis of small RNAs between two Upland cotton backcross inbred lines with different fiber length: Expression and distribution

April 2019
Guoyuan Liu | Man Wu | Wenfeng Pei | Xihua Li | Nuohan Wang | Jianjiang Ma | Xinshan Zang | Shuxun Yu | Jinfa Zhang | Jiwen Yu

The cotton fiber is the most important raw material for the textile industry and an ideal model system for studying cell elongation. However, the genetic variation of fiber elongation in relation to...

Genome editing opens a new era of genetic improvement in polyploid crops

April 2019
Qamar U. Zaman | Chao Li | Hongtao Cheng | Qiong Hu

Sequence-specific nucleases (SSN) that generate double-stranded DNA breaks (DSBs) in genes of interest are the key to site-specific genome editing in plants. Genome editing has developed into one method...

Genetic variations in plant architecture traits in cotton (Gossypium hirsutum) revealed by a genome-wide association study

April 2019
Tianwang Wen | Baosheng Dai | Tao Wang | Xinxin Liu | Chunyuan You | Zhongxu Lin

Plant architecture traits influence crop yield. An understanding of the genetic basis of cotton plant architecture traits is beneficial for identifying favorable alleles and functional genes and breeding...

Mapping QTL underlying tuber starch content and plant maturity in tetraploid potato

April 2019
Jianwu Li | Yihang Wang | Guohong Wen | Gaofeng Li | Zhang Li | Rong Zhang | Sheng Ma | Jun Zhou | Conghua Xie

Tuber starch content and plant maturity are two important agronomic traits of potato. To investigate the complex genetic basis of these traits in the cultivated potato, as well as the relationship between...

Co-location of QTL for Sclerotinia stem rot resistance and flowering time in Brassica napus

April 2019
Jian Wu | Peipei Chen | Qing Zhao | Guangqin Cai | Yue Hu | Yang Xiang | Qingyong Yang | Youping Wang | Yongming Zhou

Sclerotinia stem rot (SSR) caused by Sclerotinia sclerotiorum (Lib.) de Bary is one of the most devastating diseases of Brassica napus worldwide. Both SSR resistance and flowering time (FT) adaptation...

SNP-based linkage mapping for validation of adult plant stripe rust resistance QTL in common wheat cultivar Chakwal 86

April 2019
Qingdong Zeng | Jianhui Wu | Shuo Huang | Fengping Yuan | Shengjie Liu | Qilin Wang | Jingmei Mu | Shizhou Yu | Li Chen | Dejun Han | Zhensheng Kang

Wheat crops in China are constantly challenged by stripe rust. Deployment of cultivars with diverse resistances is the best strategy to control the disease. A recombinant inbred line (RIL) population...

QTL mapping and QTL × environment interaction analysis of multi-seed pod in cultivated peanut (Arachis hypogaea L.)

April 2019
Liang Wang | Xinlei Yang | Shunli Cui | Guojun Mu | Xingming Sun | Lifeng Liu | Zichao Li

To dissect the genetic mechanism of multi-seed pod in peanut, we explored the QTL/gene controlling multi-seed pod and analyzed the interaction effect of QTL and environment. Two hundred and forty eight...

Identification of major QTL for seed number per pod on chromosome A05 of tetraploid peanut (Arachis hypogaea L.)

April 2019
Yuning Chen | Zhihui Wang | Xiaoping Ren | Li Huang | Jianbin Guo | Jiaojiao Zhao | Xiaojing Zhou | Liying Yan | Huaiyong Luo | Nian Liu | Weigang Chen | Liyun Wan | Yong Lei | Boshou Liao | Dongxin Huai | Huifang Jiang

The inheritance of pod- and seed-number traits (PSNT) in peanut (Arachis hypogaea L.) is poorly understood. In the present study, a recombinant inbred line (RIL) population of 188 lines was used to...

Mapping loci controlling fatty acid profiles, oil and protein content by genome-wide association study in Brassica napus

April 2019
Minqiang Tang | Yuanyuan Zhang | Yueying Liu | Chaobo Tong | Xiaohui Cheng | Wei Zhu | Zaiyun Li | Junyan Huang | Shengyi Liu

Optimizing the profile and quantity of fatty acids in rapeseed (Brassica napus L.) is critical for maximizing the value of edible oil and biodiesel. However, selection of these complex seed quality...

Mapping of dwarfing gene Rht14 in durum wheat and its effect on seedling vigor, internode length and plant height

April 2019
Parimal Vikhe | Suhasini Venkatesan | Ajit Chavan | Shubhada Tamhankar | Ravindra Patil

Short coleoptiles associated with GA-insensitive Rht-1 alleles in wheat reduces yield due to poor seedling establishment under dry, or stubble-retained conditions. Hence there is a need for alternative...

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

Available online 9 April 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....

Fine mapping of qTGW10-20.8, a QTL having important contribution to grain weight variation in rice

Available online 8 April 2019
Yujun Zhu | Zhenhua Zhang | Junyu Chen | Yeyang Fan | Tongmin Mou | Shaoqing Tang | Jieyun Zhuang

Grain weight is one of the most important determinants of grain yield in rice. In this study, QTL analysis for grain weight, grain length, and grain width was performed using populations derived from...

Exogenous application of glycine betaine improved water use efficiency in winter wheat (Triticum aestivum L.) via modulating photosynthetic efficiency and antioxidative capacity under conventional and limited irrigation conditions

Available online 8 April 2019
Nazir Ahmed | Yushi Zhang | Ke Li | Yuyi Zhou | Mingcai Zhang | Zhaohu Li

Improving water use efficiency (WUE) is an important subject in agricultural irrigation for alleviating the scarcity of water resources in semiarid regions of the North China Plain. Moreover, glycine...

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

Available online 8 April 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...

Wheat powdery mildew resistance gene Pm64 derived from wild emmer (Triticum turgidum var. dicoccoides) is tightly linked in repulsion with stripe rust resistance gene Yr5

Available online 8 April 2019
Deyun Zhang | Keyu Zhu | Lingli Dong | Yong Liang | Genqiao Li | Tilin Fang | Guanghao Guo | Qiuhong Wu | Jingzhong Xie | Yongxing Chen | Ping Lu | Miaomiao Li | Huaizhi Zhang | Zhenzhong Wang | Yan Zhang | Qixin Sun | Zhiyong Liu

Stripe rust and powdery mildew are both devastating diseases for durum and common wheat. Pyramiding of genes conferring resistance to one or more diseases in a single cultivar is an important breeding...

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

Available online 8 April 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...

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

Available online 8 April 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...

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

Available online 7 April 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...

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

Available online 6 April 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...

OstMAPKKK5, a truncated mitogen-activated protein kinase kinase kinase 5, positively regulates plant height and yield in rice

Available online 6 April 2019
Yahui Liu | Yu Zhu | Xuding Xu | Fan Sun | Jingshui Yang | Liming Cao | Xiaojin Luo

Rice (Oryza sativa L.) is a major food crop worldwide. Plant height and yield are important agronomic traits of rice. Several genes regulating plant height and/or yield have been cloned. However, the...

TaCML36, a wheat calmodulin-like protein, positively participates in an immune response to Rhizoctonia cerealis

Available online 6 April 2019
Lin Lu | Wei Rong | Ronghua Zhou | Naxin Huo | Zengyan Zhang

Sharp eyespot, mainly caused by the soil-borne fungus Rhizoctonia cerealis, affects wheat (Triticum aestivum L.) production worldwide. In this study, we isolated TaCML36 gene encoding a wheat calmodulin-like...

Dissecting conserved cis-regulatory modules of Glu-1 promoters which confer the highly active endosperm-specific expression via stable wheat transformation

February 2019
Jihu Li | Ke Wang | Genying Li | Yulian Li | Yong Zhang | Zhiyong Liu | Xingguo Ye | Xianchun Xia | Zhonghu He | Shuanghe Cao

Wheat high-molecular-weight glutenin subunits (HMW-GS) determine dough elasticity and play an essential role in processing quality. HMW-GS are encoded by Glu-1 genes and controlled primarily at transcriptional...

Imprinting, methylation, and expression characterization of the maize ETHYLENE-INSENSITIVE 2-like gene

February 2019
Xiupeng Mei | Ping Li | Lu Wang | Chaoxian Liu | Lian Zhou | Chunyan Li | Yilin Cai

The endosperm plays essential roles in embryogenesis and seed germination and provides abundant resources for human food and industrial products. Identification of genes regulating the development of...

Fast mapping of a chlorophyll b synthesis-deficiency gene in barley (Hordeum vulgare L.) via bulked-segregant analysis with reduced-representation sequencing

February 2019
Dongdong Xu | Dan Sun | Yanling Diao | Minxuan Liu | Jia Gao | Bin Wu | Xingmiao Yuan | Ping Lu | Zongwen Zhang | Jing Zhang | Ganggang Guo

Bulked-segregant analysis coupled with next-generation sequencing (BSA-seq) has emerged as an efficient tool for genetic mapping of single genes or major quantitative trait loci controlling (agronomic)...

Variation in allelic frequencies at loci associated with kernel weight and their effects on kernel weight-related traits in winter wheat

February 2019
Teng Li | Hongwei Liu | Chunyan Mai | Guangjun Yu | Huili Li | Lingzhi Meng | Dawei Jian | Li Yang | Yang Zhou | Hongjun Zhang | Hongjie Li

Knowledge of allelic frequencies at loci associated with kernel weight and effects on kernel weight-related traits is crucial for yield improvement in wheat. Kernel weight-related traits were evaluated...

The spike weight contribution of the photosynthetic area above the upper internode in a winter wheat under different nitrogen and mulching regimes

February 2019
Wei Chen | Jingjuan Zhang | Xiping Deng

Besides leaves, non-foliar green organs such as stem and spike are also considered photosynthetic organs. To assess the photosynthetic contributions of these organs, the correlations between these photosynthetic...

Genome-wide association mapping of stress-tolerance traits in cotton

February 2019
Heng Sun | Minghui Meng | Zhenhua Yan | Zhongxu Lin | Xinhui Nie | Xiyan Yang

Environmental stresses severely impair cotton production worldwide. To identify the genetic basis of, and molecular markers associated with, environmental stresses such as salt, cold and Verticillium...

Evaluation of maize inbred lines and topcross progeny for resistance to pre-harvest aflatoxin contamination

February 2019
Jake C. Fountain | Hamed K. Abbas | Brian T. Scully | Hong Li | Robert D. Lee | Robert C. Kemerait | Baozhu Guo

Pre-harvest aflatoxin contamination occurs in maize following kernel colonization by Aspergillus flavus. Aflatoxin contamination resistance is a highly desired trait in maize breeding programs. The...

Timing and splitting of nitrogen fertilizer supply to increase crop yield and efficiency of nitrogen utilization in a wheat–peanut relay intercropping system in China

February 2019
Zhaoxin Liu | Fang Gao | Yan Liu | Jianqun Yang | Xiaoyv Zhen | Xinxin Li | Ying Li | Jihao Zhao | Jinrong Li | Bichang Qian | Dongqing Yang | Xiangdong Li

Agronomically optimizing the timing and rates of nitrogen (N) fertilizer application can increase crop yield and decrease N loss to the environment. Wheat (Triticum aestivum L.)–peanut (Arachis hypogaea...

The soft glumes of common wheat are sterile-lemmas as determined by the domestication gene Q

February 2019
Gaoyuan Song | Guoliang Sun | Xingchen Kong | Meiling Jia | Ke Wang | Xingguo Ye | Yun Zhou | Shuaifeng Geng | Long Mao | Aili Li

The Q gene in common wheat encodes an APETALA2 (AP2) transcription factor that causes the free threshing attribute. Wheat spikelets bearing several florets are subtended by a pair of soft glumes that...

Diversity and interaction of common bacterial blight disease-causing bacteria (Xanthomonas spp.) with Phaseolus vulgaris L.

February 2019
Joab K. Tugume | Geoffrey Tusiime | Allan Male Sekamate | Robin Buruchara | Clare Mugisha Mukankusi

Common bacterial blight (CBB) is associated with common bean (Phaseolus vulgaris L.), an important grain legume for human consumption worldwide. The disease, caused by Xanthomonas spp. is spread mainly...

Accumulation of glycolipids in wheat grain and their role in hardness during grain development

February 2019
Haixia Qin | Dongyun Ma | Xin Huang | Jie Zhang | Wan Sun | Gege Hou | Chenyang Wang | Tiancai Guo

Grain hardness is an important parameter for wheat quality. To understand the role of glycolipids in the formation of grain hardness, the glycolipid contents in wholegrain wheat flour and the starch...

Evaluation of host resistance and fungicide application as tools for the management of root rot of field pea caused by Aphanomyces euteiches

February 2019
Longfei Wu | Kan-Fa Chang | Sheau-Fang Hwang | Robert Conner | Rudolph Fredua-Agyeman | David Feindel | Stephen E. Strelkov

Aphanomyces root rot (ARR) of field pea (Pisum sativum), caused by Aphanomyces euteiches, can cause severe root damage, wilting, and large yield losses under wet soil conditions. To identify ways to...

Genome-wide analysis of the barley non-specific lipid transfer protein gene family

February 2019
Mengyue Zhang | Yujin Kim | Jie Zong | Hong Lin | Anne Dievart | Huanjun Li | Dabing Zhang | Wanqi Liang

Non-specific lipid transfer proteins (nsLTPs) are small, basic proteins that are characterized by an eight-cysteine motif. The biological functions of these proteins have been reported to involve plant...

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

Available online 31 January 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...

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

Available online 31 January 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...

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

Available online 30 January 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...

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

Available online 30 January 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...

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

Available online 30 January 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...

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

Available online 30 January 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

Available online 30 January 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...

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

Available online 30 January 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

Available online 30 January 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...

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

Available online 30 January 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)...

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

Available online 11 January 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...

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