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Mohammed Abul Monjur Khan, Nicholas C Manoukis, Terry Osborne, Idris M Barchia, Geoff M Gurr, Olivia L Reynolds
Queensland fruit fly, Bactrocera tryoni (Froggatt), is the most significant pest of Australia's $9 billion horticulture industry. The sterile insect technique (SIT) and cue-lure (a synthetic analogue of raspberry ketone (RK))-based male annihilation technique (MAT) are two of the most effective management tools against this pest. However, combining these two approaches is considered incompatible as MAT kills sterile and 'wild' males indiscriminately. In the present study we tested the effect of pre-release feeding of B...
October 17, 2017: Scientific Reports
Saborni Maiti, Adinpunya Mitra
Tuberose or Polianthes tuberosa L. is a horticultural crop of tropical origin, widely cultivated for its adorable and intense floral fragrance in the evening. Here an investigation was made on the physiological and cell biological aspects of floral scent biosynthesis, tissue localization and emission that have not previously been examined. Volatiles collected from floral headspace were analysed through GC-MS for identification of individual compounds and elucidation of emission patterns. Transcripts accumulation and the amount of active enzyme were measured to understand the enzymatic route of scent volatiles biosynthesis...
September 22, 2017: Plant & Cell Physiology
Yongping Li, Wei Wei, Jia Feng, Huifeng Luo, Mengting Pi, Zhongchi Liu, Chunying Kang
The genome of the wild diploid strawberry species Fragaria vesca, an ideal model system of cultivated strawberry (Fragaria × ananassa, octoploid) and other Rosaceae family crops, was first published in 2011 and followed by a new assembly (Fvb). However, the annotation for Fvb mainly relied on ab initio predictions and included only predicted coding sequences, therefore an improved annotation is highly desirable. Here, a new annotation version named v2.0.a2 was created for the Fvb genome by a pipeline utilizing one PacBio library, 90 Illumina RNA-seq libraries, and 9 small RNA-seq libraries...
September 23, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
Johann Petit, Cécile Bres, Jean-Philippe Mauxion, Bénédicte Bakan, Christophe Rothan
Improving crop productivity and quality while promoting sustainable agriculture have become major goals in plant breeding. The cuticle is a natural film covering the aerial organs of plants and consists of lipid polyesters covered and embedded with wax. The cuticle protects plants against water loss and pathogens and affects traits with strong impacts on crop quality such as, for horticultural crops, fruit brightness, cracking, russeting, netting, and shelf life. Here we provide an overview of the most important cuticle-associated traits that can be targeted for crop improvement...
September 27, 2017: Journal of Experimental Botany
Yu Li, Ke Wang, Qisen Lu, Juan Du, Zhenyue Wang, Desen Wang, Bingjian Sun, Honglian Li
Burrowing nematodes (Radopholus similis) cause severe harm in many agronomic and horticultural crops and are very difficult to manage. Cathepsin S is one of the most important cysteine proteinases and plays key roles in nematodes and many other parasites. To evaluate the effect of in planta RNAi on the control of this nematode, a specific fragment from the protease gene, cathepsin S (Rs-cps), was cloned into the binary vector pFGC5941 in the forward and reverse orientations to construct recombinant plant RNAi vectors...
October 13, 2017: Scientific Reports
Sabira Sultana, John B Baumgartner, Bernard C Dominiak, Jane E Royer, Linda J Beaumont
Anthropogenic climate change is a major factor driving shifts in the distributions of pests and invasive species. The Queensland fruit fly, Bactrocera tryoni Froggatt (Qfly), is the most economically damaging insect pest of Australia's horticultural industry, and its management is a key priority for plant protection and biosecurity. Identifying the extent to which climate change may alter the distribution of suitable habitat for Qfly is important for the development and continuation of effective monitoring programs, phytosanitary measures, and management strategies...
October 12, 2017: Scientific Reports
Meixiang Han, Xuefeng Jin, Wei Yao, Lingjie Kong, Gan Huang, Yujin Tao, Lingfei Li, Xiaojing Wang, Yaqin Wang
Petal appearance is an important horticultural trail that is generally used to evaluate the ornamental value of plants. However, knowledge of the molecular regulation of petal growth is mostly derived from analyses of Arabidopsis thaliana, and relatively little is known about this process in ornamental plants. Previously, GEG (Gerbera hybrida homolog of the gibberellin [GA]-stimulated transcript 1 [GAST1] from tomato), a gene from the GA stimulated Arabidopsis (GASA) family, was reported to be an inhibitor of ray petal growth in the ornamental species, G...
2017: Frontiers in Plant Science
Dongyang Xu, Jiahang Miao, Emi Yumoto, Takao Yokota, Masashi Asahina, Masaaki Watahiki
Recovery of the root system following physical damage is an essential issue for plant survival. An injured root system is able to regenerate by increases in lateral root (LR) number and acceleration of root growth. The horticultural technique of root pruning (root cutting) is an application of this response and is a common garden technique for controlling plant growth. Although root pruning is widely used, the molecular mechanisms underlying the subsequent changes in the root system are poorly understood. In this study, root pruning was employed as a model system to study the molecular mechanisms of root-system regeneration...
September 1, 2017: Plant & Cell Physiology
Hui Huang, En-Hua Xia, Hai-Bin Zhang, Qiu-Yang Yao, Li-Zhi Gao
Camellia sasanqua is one of the most famous horticultural plants in Camellia (Theaceae) due to its aesthetic appeal as landscape plant. Knowledge regarding the genetic basis of flowering time, floral aroma and color in C. sasanqua is limited, but is essential to breed new varieties with desired floral traits. Here, we described the de novo transcriptome of young leaves, flower buds and flowers of C. sasanqua. A total of 60,127 unigenes were functionally annotated based on the sequence similarity. After analysis, we found that two floral integrator genes, SOC1 and AP1, in flowering time pathway showed evidence of gene family expansion...
September 1, 2017: Plant Physiology and Biochemistry: PPB
D Fabio Mercado, Larisa L B Bracco, Antonio Arques, Mónica C Gonzalez, Paula Caregnato
Flusilazole is an organosilane fungicide used for treatments in agriculture and horticulture for control of diseases. The reaction kinetics and mechanism of flusilazole with sulfate and hydroxyl radicals were studied. The rate constant of the radicals with the fungicide were determined by laser flash photolysis of peroxodisulfate and hydrogen peroxide. The results were 2.0 × 10(9) s(-1)M(-1) for the reaction of the fungicide with HO and 4.6 × 10(8) s(-1) M(-1) for the same reaction with SO4(-) radicals...
September 28, 2017: Chemosphere
Tao Zhou, Yan Wang, Sheng Huang, Youcai Zhao
Nearly 1.3 billion tons of food are discarded annually in the production process. In this study, a novel slow-release nitrogen fertilizer with water absorbency was developed using leftover rice and crosslinking methods. Urea was incorporated as the nitrogen source in a leftover rice-g-poly(acrylic acid)/montmorillonite (LR-g-PAA/MMT) network, and then the leftover rice-g-poly(acrylic acid)/montmorillonite/Urea (LR-g-PAA/MMT/Urea) retained in the soil, and used as the loss control agent for water and nutrients...
October 4, 2017: Science of the Total Environment
Jian Li, Jessica Chitwood, Naama Menda, Lukas Mueller, Samuel F Hutton
The negative association between the I - 3 gene and increased sensitivity to bacterial spot is due to linkage drag (not pleiotropy) and may be remedied by reducing the introgression size. Fusarium wilt is one of the most serious diseases of tomato (Solanum lycopersicum L.) throughout the world. There are three races of the pathogen (races 1, 2 and 3), and the deployment of three single, dominant resistance genes corresponding to each of these has been the primary means of controlling the disease. The I-3 gene was introgressed from S...
October 6, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
Amel Oueslati, Amel Salhi-Hannachi, François Luro, Hélène Vignes, Pierre Mournet, Patrick Ollitrault
The mandarin horticultural group is an important component of world citrus production for the fresh fruit market. This group formerly classified as C. reticulata is highly polymorphic and recent molecular studies have suggested that numerous cultivated mandarins were introgressed by C. maxima (the pummelos). C. maxima and C. reticulata are also the ancestors of sweet and sour oranges, grapefruit, and therefore of all the "small citrus" modern varieties (mandarins, tangors, tangelos) derived from sexual hybridization between these horticultural groups...
2017: PloS One
Paula King, Alison Blaiklock, Christina Stringer, Jay Amaranathan, Margot McLean
Contemporary forms of slavery and associated adverse health effects are a serious, complex and often neglected issue within the New Zealand health sector. Slavery in New Zealand has most recently been associated with the fishing and horticulture industries. However, victims may be found in a number of other industry sectors, including the health and aged-care sectors, or outside of the labour market such as in forced, early (underage) and servile forms of marriage. Victims of slavery are at increased risk of acute and chronic health problems, injuries from dangerous working and living conditions, and physical and sexual abuse...
October 6, 2017: New Zealand Medical Journal
G Rodríguez-Castañeda, C MacVean, C Cardona, A R Hof
Factors limiting distribution range for most species are generally unknown regardless of whether they are native or invasive. We studied factors that could enable or restrict the distribution of two cosmopolitan invasive leafminer fly species, Liriomyza huidobrensis (Blanchard) and Liriomyza sativae (Blanchard) in their native niche. In order to test which ecological and environmental factors affect leafminer distribution we conducted thermal tolerance assays, sampled along elevation gradients and modeled species distribution...
July 1, 2017: Journal of Insect Science
Suhas G Karkute, Achuit K Singh, Om P Gupta, Prabhakar M Singh, Bijendra Singh
Horticultural crops are an important part of agriculture for food as well as nutritional security. However, several pests and diseases along with adverse abiotic environmental factors pose a severe threat to these crops by affecting their quality and productivity. This warrants the effective and accelerated breeding programs by utilizing innovative biotechnological tools that can tackle aforementioned issues. The recent technique of genome editing by Clustered Regularly Interspaced Short Palindromic Repeats/CRISPR associated 9 (CRISPR/Cas9) has greatly advanced the breeding for crop improvement due to its simplicity and high efficiency over other nucleases such as Zinc Finger Nucleases and Transcription Activator Like Effector Nucleases...
2017: Frontiers in Plant Science
Inés Martínez-Raudales, Yumiko De La Cruz-Rodríguez, Julio Vega-Arreguín, Alejandro Alvarado-Gutiérrez, Atzin Fraire-Mayorga, Miguel Alvarado-Rodríguez, Victor Balderas-Hernández, José Manuel Gómez-Soto, Saúl Fraire-Velázquez
Here, we present the draft genome of Bacillus velezensis 3A-25B, which totaled 4.01 Mb with 36 contigs, 3,948 genes, and a GC content of 46.34%. This strain, which demonstrates biocontrol activity against root rot causal phytopathogens in horticultural crops and friendly interactions in roots of pepper plantlets, was obtained from grassland soil in Zacatecas Province, Mexico.
September 28, 2017: Genome Announcements
Randall T Loder, Chris A Schneble
BACKGROUND: Slipped capital femoral epiphysis (SCFE) demonstrates seasonal variation in certain latitudes but not others. Is such variation influenced by temperature differences, sunlight exposure and subsequent vitamin D production, or other climate variables? It was the purpose of this study to further investigate the seasonal variation in month of presentation for SCFE. METHODS: Data for this study originated from the Pediatric Hospital Information System for all children with a diagnosis of SCFE from January 1, 2004 through December 31, 2014...
September 28, 2017: Journal of Pediatric Orthopedics
Ángeles Godoy-Durán, Emilio Galdeano-Gómez, Juan C Pérez-Mesa, Laura Piedra-Muñoz
Eco-efficiency is currently receiving ever increasing interest as an indicator of sustainability, as it links environmental and economic performances in productive activities. In agriculture these indicators and their determinants prove relevant due to the close ties in this activity between the use of often limited natural resources and the provision of basic goods for society. The present paper analyzes eco-efficiency at micro-level, focusing on small-scale family farms as the principal decision-making units (DMUs) of horticulture in southeast Spain, which represents over 30% of fresh vegetables produced in the country...
December 15, 2017: Journal of Environmental Management
Behrooz Sarabi, Sahebali Bolandnazar, Nasser Ghaderi, Jaleh Ghashghaie
Melon (Cucumis melo L.) is one of the most important horticultural crops in Iran often cultivated in arid and semiarid regions of the country with salinity problems. The objective of this work was to better understand the mechanisms of physiological and biochemical responses to salinity stress of five Iranian melon landraces "Samsuri", "Kashan", "Khatouni", "Suski-e-Sabz", and "Ghobadlu" from different geographical origins, and "Galia" F1 cultivar. Plants were grown under greenhouse conditions and irrigated with half-strength Hoagland solution containing 0, 30, 60, or 90 mM NaCl for 60 days...
September 13, 2017: Plant Physiology and Biochemistry: PPB
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