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https://www.readbyqxmd.com/read/28540710/genetic-diversity-analysis-of-medicinally-important-horticultural-crop-aegle-marmelos-by-issr-markers
#1
Farina Mujeeb, Preeti Bajpai, Neelam Pathak, Smita Rastogi Verma
Inter simple sequence repeat (ISSR) markers help in identifying and determining the extent of genetic diversity in cultivars. Here, we describe their application in determining the genetic diversity of bael (Aegle marmelos Corr.). Universal ISSR primers are selected and their marker characteristics such as polymorphism information content, effective multiplex ratio and marker index have been evaluated. ISSR-PCR is then performed using universal ISSR primers to generate polymorphic bands. This information is used to determine the degree of genetic similarity among the bael varieties/accessions by cluster analysis using unweighted pair-group method with arithmetic averages (UPGMA)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28519717/phytophthora-cinnamomi
#2
Adrienne R Hardham, Leila M Blackman
Phytophthora cinnamomi is one of the most devastating plant pathogens in the world. It infects close to 5,000 species of plants, including many of importance in agriculture, forestry and horticulture. Inadvertent introduction of P. cinnamomi into natural ecosystems, including a number of recognised Global Biodiversity Hotspots, has disastrous consequences for the environment and biodiversity of flora and fauna. The genus Phytophthora belongs to the Class Oomycetes, a group of fungus-like organisms that initiate plant disease through the production of motile zoospores...
May 18, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/28518067/remote-sensing-evaluation-of-two-spotted-spider-mite-damage-on-greenhouse-cotton
#3
Daniel E Martin, Mohamed A Latheef
The objective of this study was to evaluate a ground-based multispectral optical sensor as a remote sensing tool to assess foliar damage caused by the two-spotted spider mite (TSSM), Tetranychus urticae Koch, on greenhouse grown cotton. TSSM is a polyphagous pest which occurs on a variety of field and horticultural crops. It often becomes an early season pest of cotton in damaging proportions as opposed to being a late season innocuous pest in the mid-southern United States. Evaluation of acaricides is important for maintaining the efficacy of and preventing resistance to the currently available arsenal of chemicals and newly developed control agents...
April 28, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28475682/susceptibility-of-australian-myzus-persicae-hemiptera-aphididae-to-three-recently-registered-insecticides-spirotetramat-cyantraniliprole-and-sulfoxaflor
#4
Siobhan C de Little, Paul A Umina
The green peach aphid, Myzus persicae (Sulzer), is a significant agricultural pest that has developed resistance to a large number of insecticides globally. Within Australia, resistance has previously been confirmed for multiple chemical groups, including pyrethroids, carbamates, organophosphates, and neonicotinoids. In this study, we use leaf-dip and topical bioassays to investigate susceptibility and potential cross-resistance of 12 field-collected populations of Australian M. persicae to three recently registered insecticides: sulfoxaflor, spirotetramat, and cyantraniliprole...
May 5, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28473834/biotechnological-advancements-for-improving-floral-attributes-in-ornamental-plants
#5
REVIEW
Ali Noman, Muhammad Aqeel, Jianming Deng, Noreen Khalid, Tayyaba Sanaullah, He Shuilin
Developing new ornamental cultivars with improved floral attributes is a major goal in floriculture. Biotechnological approach together with classical breeding methods has been used to modify floral color, appearance as well as for increasing disease resistance. Transgenic strategies possess immense potential to produce novel flower phenotypes that are not found in nature. Adoption of Genetic engineering has supported the idea of floral trait modification. Ornamental plant attributes like floral color, fragrance, disease resistance, and vase life can be improved by means of genetic manipulation...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28472099/microbiomes-associated-with-infective-stages-of-root-knot-and-lesion-nematodes-in-soil
#6
Ahmed Elhady, Ariadna Giné, Olivera Topalovic, Samuel Jacquiod, Søren J Sørensen, Francisco Javier Sorribas, Holger Heuer
Endoparasitic root-knot (Meloidogyne spp.) and lesion (Pratylenchus spp.) nematodes cause considerable damage in agriculture. Before they invade roots to complete their life cycle, soil microbes can attach to their cuticle or surface coat and antagonize the nematode directly or by induction of host plant defenses. We investigated whether the nematode-associated microbiome in soil differs between infective stages of Meloidogyne incognita and Pratylenchus penetrans, and whether it is affected by variation in the composition of microbial communities among soils...
2017: PloS One
https://www.readbyqxmd.com/read/28469627/extending-miscanthus-cultivation-with-novel-germplasm-at-six-contrasting-sites
#7
Olena Kalinina, Christopher Nunn, Ruth Sanderson, Astley F S Hastings, Tim van der Weijde, Mensure Özgüven, Ivan Tarakanov, Heinrich Schüle, Luisa M Trindade, Oene Dolstra, Kai-Uwe Schwarz, Yasir Iqbal, Andreas Kiesel, Michal Mos, Iris Lewandowski, John C Clifton-Brown
Miscanthus is a genus of perennial rhizomatous grasses with C4 photosynthesis which is indigenous in a wide geographic range of Asian climates. The sterile clone, Miscanthus × giganteus (M. × giganteus), is a naturally occurring interspecific hybrid that has been used commercially in Europe for biomass production for over a decade. Although, M. × giganteus has many outstanding performance characteristics including high yields and low nutrient offtakes, commercial expansion is limited by cloning rates, slow establishment to a mature yield, frost, and drought resistance...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28462026/ecological-and-pest-management-implications-of-sex-differences-in-scarab-landing-patterns-on-grape-vines
#8
Mauricio González-Chang, Stéphane Boyer, Marie-Caroline Lefort, Jerry Nboyine, Steve D Wratten
BACKGROUND: Melolonthinae beetles, comprising different white grub species, are a globally-distributed pest group. Their larvae feed on roots of several crop and forestry species, and adults can cause severe defoliation. In New Zealand, the endemic scarab pest Costelytra zealandica (White) causes severe defoliation on different horticultural crops, including grape vines (Vitis vinifera). Understanding flight and landing behaviours of this pest can help inform pest management decisions...
2017: PeerJ
https://www.readbyqxmd.com/read/28460583/subchronic-low-level-intraperitoneal-injections-of-manganese-iv-oxide-and-manganese-ii-chloride-affect-rat-brain-neurochemistry
#9
Brian S Nielsen, Erik H Larsen, Ole Ladefoged, Henrik R Lam
Manganese (Mn) is neurotoxic and can induce manganism, a Parkinson-like disease categorized as being a serious central nervous system irreversible neurodegenerative disease. An increased risk of developing symptoms of Parkinson disease has been linked to work-related exposure, for example, for workers in agriculture, horticulture, and people living near areas with frequent use of Mn-containing pesticides. In this study, the focus was placed on neurochemical effects of Mn. Rats were dosed intraperitoneally with 0...
January 1, 2017: International Journal of Toxicology
https://www.readbyqxmd.com/read/28459054/application-of-genomic-in-situ-hybridization-in-horticultural-science
#10
REVIEW
Fahad Ramzan, Adnan Younis, Ki-Byung Lim
Molecular cytogenetic techniques, such as in situ hybridization methods, are admirable tools to analyze the genomic structure and function, chromosome constituents, recombination patterns, alien gene introgression, genome evolution, aneuploidy, and polyploidy and also genome constitution visualization and chromosome discrimination from different genomes in allopolyploids of various horticultural crops. Using GISH advancement as multicolor detection is a significant approach to analyze the small and numerous chromosomes in fruit species, for example, Diospyros hybrids...
2017: International Journal of Genomics
https://www.readbyqxmd.com/read/28457428/superabsorbent-hydrogel-made-of-naalg-g-poly-aa-co-aam-and-rice-husk-ash-synthesis-characterization-and-swelling-kinetic-studies
#11
Hamed Gharekhani, Ali Olad, Abdolreza Mirmohseni, Ahmad Bybordi
The sodium alginate-g-poly(acrylic acid-co-acrylamide)/rice husk ash (NaAlg-g-P(AA-co-AAm)/RHA) superabsorbent nanocomposite was synthesized by the free-radical graft copolymerization of alginate (NaAlg), acrylic acid (AA), acrylamide (AAm), and RHA in aqueous solution. FTIR spectra revealed that the monomers were grafted onto NaAlg chains, and the nanocomposite was formed successfully. Incorporation of RHA into hydrogel matrix formed porous interlinked channels within hydrogel network. Superabsorbent nanocomposite showed greater equilibrium swelling capacity (1070g/g) compared with neat hydrogel (830g/g)...
July 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28454030/pesticide-impact-study-in-the-peri-urban-horticultural-area-of-gran-la-plata-argentina
#12
Tomás M Mac Loughlin, Leticia Peluso, Damián J G Marino
Vegetable production systems are characterized by intense pesticide use, yet the effects on the surrounding environment are largely unknown and need to be studied. Given this knowledge gap, the objective of this work is to determine the impact of horticulture on a representative watercourse by conducting an integrated study of the occurrence and concentration of pesticides in bottom sediments and their relation to lethal and sublethal effects on benthic fauna. Two sampling campaigns were conducted during seasons of low and high pesticide application in five sites along the Carnaval creek, located in the peri-urban area of La Plata City (Buenos Aires, Argentina)...
April 25, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28446995/marginalized-mixture-models-for-count-data-from-multiple-source-populations
#13
Habtamu K Benecha, Brian Neelon, Kimon Divaris, John S Preisser
Mixture distributions provide flexibility in modeling data collected from populations having unexplained heterogeneity. While interpretations of regression parameters from traditional finite mixture models are specific to unobserved subpopulations or latent classes, investigators are often interested in making inferences about the marginal mean of a count variable in the overall population. Recently, marginal mean regression modeling procedures for zero-inflated count outcomes have been introduced within the framework of maximum likelihood estimation of zero-inflated Poisson and negative binomial regression models...
2017: Journal of Statistical Distributions and Applications
https://www.readbyqxmd.com/read/28443083/intracellular-localization-interactions-and-functions-of-capsicum-chlorosis-virus-proteins
#14
Shirani M K Widana Gamage, Ralf G Dietzgen
Tospoviruses are among the most devastating viruses of horticultural and field crops. Capsicum chlorosis virus (CaCV) has emerged as an important pathogen of capsicum and tomato in Australia and South-east Asia. Present knowledge about CaCV protein functions in host cells is lacking. We determined intracellular localization and interactions of CaCV proteins by live plant cell imaging to gain insight into the associations of viral proteins during infection. Proteins were transiently expressed as fusions to autofluorescent proteins in leaf epidermal cells of Nicotiana benthamiana and capsicum...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28436192/predictors-of-non-pharmacological-intervention-effect-on-cognitive-function-and-behavioral-and-psychological-symptoms-of-older-people-with-dementia
#15
Ting-Jung Hsu, Hui-Te Tsai, An-Chun Hwang, Liang-Yu Chen, Liang-Kung Chen
AIM: Our previous work showed that non-pharmacological interventions could effectively reduce the severity of behavioral and psychological symptoms of dementia (BPSD), while the factors influencing the effect of intervention were less explored. Therefore, the main purpose of the present study was to investigate the predictors of the non-pharmacological intervention effect for old veterans with dementia and BPSD. METHODS: A total of 141 old veterans with dementia living in two veterans' homes in northern Taiwan were recruited...
April 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28428851/screening-mitochondrial-dna-sequence-variation-as-an-alternative-method-for-tracking-established-and-outbreak-populations-of-queensland-fruit-fly-at-the-species-southern-range-limit
#16
Mark J Blacket, Mali B Malipatil, Linda Semeraro, Peter S Gillespie, Bernie C Dominiak
Understanding the relationship between incursions of insect pests and established populations is critical to implementing effective control. Studies of genetic variation can provide powerful tools to examine potential invasion pathways and longevity of individual pest outbreaks. The major fruit fly pest in eastern Australia, Queensland fruit fly Bactrocera tryoni (Froggatt), has been subject to significant long-term quarantine and population reduction control measures in the major horticulture production areas of southeastern Australia, at the species southern range limit...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28425557/dual-spectra-band-emissive-eu-2-mn-2-co-activated-alkaline-earth-phosphates-for-indoor-plant-growth-novel-phosphor-converted-leds
#17
Young Jun Yun, Jin Kyu Kim, Ji Young Ju, Seul Ki Choi, Woon Ik Park, Jae Yong Suh, Ha-Kyun Jung, Yongseon Kim, Sungho Choi
This paper reports designing a novel single composition blue/red color illuminating phosphor followed by fabricating "smart" agricultural/horticultural LED lighting. Color-tunable Eu(2+)/Mn(2+) co-activated alkaline earth phosphates, Na(Sr,Ba)PO4 and Ca3Mg3(PO4)4, are considered, and the stable doping sites for the corresponding activators are identified by using first-principle DFT calculations. We can realize the designated color purity with stable thermal quenching preserved luminescence behavior is induced by the Eu(2+) center positioned at different coordination states with intermixed Sr(2+)/Ba(2+) sites in Na(Sr,Ba)PO4 hosts...
April 20, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28423426/the-invasive-liriomyza-huidobrensis-diptera-agromyzidae-understanding-its-pest-status-and-management-globally
#18
Phyllis G Weintraub, Sonja J Scheffer, Diedrich Visser, Graciela Valladares, Alberto Soares Correa, B Merle Shepard, Aunu Rauf, Sean T Murphy, Norma Mujica, Charles MacVean, Jürgen Kroschel, Miriam Kishinevsky, Ravindra C Joshi, Nina S Johansen, Rebecca H Hallett, Hasan S Civelek, Bing Chen, Helga Blanco Metzler
Liriomyza huidobrensis (Blanchard) is native to South America but has expanded its range and invaded many regions of the world, primarily on flowers and to a lesser extent on horticultural product shipments. As a result of initial invasion into an area, damage caused is usually significant but not necessarily sustained. Currently, it is an economic pest in selected native and invaded regions of the world. Adults cause damage by puncturing abaxial and adaxial leaf surfaces for feeding and egg laying sites. Larvae mine the leaf parenchyma tissues which can lead to leaves drying and wilting...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28421090/comparative-genomics-and-phylogenomics-of-east-asian-tulips-amana-liliaceae
#19
Pan Li, Rui-Sen Lu, Wu-Qin Xu, Tetsuo Ohi-Toma, Min-Qi Cai, Ying-Xiong Qiu, Kenneth M Cameron, Cheng-Xin Fu
The genus Amana Honda (Liliaceae), when it is treated as separate from Tulipa, comprises six perennial herbaceous species that are restricted to China, Japan and the Korean Peninsula. Although all six Amana species have important medicinal and horticultural uses, studies focused on species identification and molecular phylogenetics are few. Here we report the nucleotide sequences of six complete Amana chloroplast (cp) genomes. The cp genomes of Amana range from 150,613 bp to 151,136 bp in length, all including a pair of inverted repeats (25,629-25,859 bp) separated by the large single-copy (81,482-82,218 bp) and small single-copy (17,366-17,465 bp) regions...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28420123/stability-of-bioactive-compounds-in-broccoli-as-affected-by-cutting-styles-and-storage-time
#20
Ana Mariel Torres-Contreras, Vimal Nair, Luis Cisneros-Zevallos, Daniel A Jacobo-Velázquez
Broccoli contains bioactive molecules and thus its consumption is related with the prevention of chronic and degenerative diseases. The application of wounding stress to horticultural crops is a common practice, since it is the basis for the fresh-cut produce industry. In this study, the effect of four different cutting styles (CSs) (florets (CS1), florets cut into two even pieces (CS2), florets cut into four even pieces (CS3), and florets processed into chops (CS4)) and storage time (0 and 24 h at 20 °C) on the content of bioactive compounds in broccoli was evaluated...
April 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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