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https://www.readbyqxmd.com/read/28934121/current-status-of-early-blight-resistance-in-tomato-an-update
#1
REVIEW
Pragya Adhikari, Yeonyee Oh, Dilip R Panthee
Early blight (EB) is one of the dreadful diseases of tomato caused by several species of Alternaria including Alternaria linariae (which includes A. solani and A. tomatophila), as well as A. alternata. In some instances, annual economic yield losses due to EB have been estimated at 79%. Alternaria are known only to reproduce asexually, but a highly-virulent isolate has the potential to overcome existing resistance genes. Currently, cultural practices and fungicide applications are employed for the management of EB due to the lack of strong resistant cultivars...
September 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28934115/development-of-genome-wide-ssr-markers-from-angelica-gigas-nakai-using-next-generation-sequencing
#2
Jinsu Gil, Yurry Um, Serim Kim, Ok Tae Kim, Sung Cheol Koo, Chinreddy Subramanyam Reddy, Seong-Cheol Kim, Chang Pyo Hong, Sin-Gi Park, Ho Bang Kim, Dong Hoon Lee, Byung-Hoon Jeong, Jong-Wook Chung, Yi Lee
Angelica gigas Nakai is an important medicinal herb, widely utilized in Asian countries especially in Korea, Japan, and China. Although it is a vital medicinal herb, the lack of sequencing data and efficient molecular markers has limited the application of a genetic approach for horticultural improvements. Simple sequence repeats (SSRs) are universally accepted molecular markers for population structure study. In this study, we found over 130,000 SSRs, ranging from di- to deca-nucleotide motifs, using the genome sequence of Manchu variety (MV) of A...
September 21, 2017: Genes
https://www.readbyqxmd.com/read/28919898/chitosan-increases-tomato-root-colonization-by-pochonia-chlamydosporia-and-their-combination-reduces-root-knot-nematode-damage
#3
Nuria Escudero, Federico Lopez-Moya, Zahra Ghahremani, Ernesto A Zavala-Gonzalez, Aurora Alaguero-Cordovilla, Caridad Ros-Ibañez, Alfredo Lacasa, Francisco J Sorribas, Luis V Lopez-Llorca
The use of biological control agents could be a non-chemical alternative for management of Meloidogyne spp. [root-knot nematodes (RKN)], the most damaging plant-parasitic nematodes for horticultural crops worldwide. Pochonia chlamydosporia is a fungal parasite of RKN eggs that can colonize endophytically roots of several cultivated plant species, but in field applications the fungus shows a low persistence and efficiency in RKN management. The combined use of P. chlamydosporia with an enhancer could help its ability to develop in soil and colonize roots, thereby increasing its efficiency against nematodes...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28913797/agribusiness-perspectives-on-transgenic-wheat
#4
Bill Malcolm
Declining yields of the major human food crops, looming growth in global population and rise of populism, and ill-founded bans on agricultural and horticultural crops and foodstuffs which are genetically modified have potentially serious implications. It makes the chance less than otherwise would be the case that agribusiness value chains in the future will meet the growing demand around the world for more and different foods from more and wealthier people. In the agribusiness value chain, transgenic wheat, meeting a consumer "trigger need" also must meet the "experience" and "credence," risk-related criteria of well-informed consumers...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28898962/occupational-rhinoconjunctivitis-caused-by-the-common-indoor-plant-hoya-compacta
#5
D Sherson, A D Nielsen, C G Mortz, L Vestergaard, L P A Brandt, E Jørs, J Bælum
Background: Allergic reactions to the common house plant Hoya compacta (HC) have not previously been described. Aims: To confirm HC as the cause of rhinoconjunctivitis in three horticultural workers. Methods: Greenhouse working conditions were reproduced in our challenge chamber. Results: All three cases developed rhinoconjunctivitis when working with HC plants. A control challenge was performed in two cases with iceberg lettuce causing no symptoms...
August 1, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28877584/influence-of-modified-atmosphere-on-induction-and-activity-of-respiratory-enzymes-in-broccoli-florets-during-the-early-stage-of-postharvest-storage
#6
Hsiao-Wen Wang, Yoshio Makino, Jun Inoue, Kensaku Maejima, Sachiko Funayama-Noguchi, Takeshi Yamada, Ko Noguchi
Modified atmosphere packaging and controlled atmosphere storage (hypoxia conditions) extend shelf lives of horticultural products by depressing O2 uptake rate. We investigated the relationship between atmospheres and alternative oxidase (AOX) to cytochrome c oxidase (COX) activities (based on oxygen isotope discrimination) and relative amounts of two respiratory enzymes-AOX and COX-during the early stage of storage. Broccoli florets, with high O2 uptake rates, were stored under hypoxia and normoxia at 25°C...
September 6, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28859132/suppression-of-cuelure-attraction-in-male-queensland-fruit-flies-provided-raspberry-ketone-supplements-as-immature-adults
#7
Humayra Akter, Saleh Adnan, Renata Morelli, Polychronis Rempoulakis, Phillip W Taylor
Tephritid fruit flies are amongst the most damaging insect pests of horticulture globally. Some of the key fruit fly species are managed using the sterile insect technique (SIT), whereby millions of sterile males are released to suppress reproduction of pest populations. Male annihilation technique (MAT), whereby sex specific lures are used to attract and kill males, is often used to reduce wild male numbers before SIT programs commence, providing released sterile males an increased numerical advantage. Overall program efficacy might be improved if MAT could be deployed simultaneously with SIT, continuously depleting fertile males from pest populations and replacing them with sterile males...
2017: PloS One
https://www.readbyqxmd.com/read/28856135/plant-science-view-on-biohybrid-development
#8
REVIEW
Tomasz Skrzypczak, Rafał Krela, Wojciech Kwiatkowski, Shraddha Wadurkar, Aleksandra Smoczyńska, Przemysław Wojtaszek
Biohybrid consists of a living organism or cell and at least one engineered component. Designing robot-plant biohybrids is a great challenge: it requires interdisciplinary reconsideration of capabilities intimate specific to the biology of plants. Envisioned advances should improve agricultural/horticultural/social practice and could open new directions in utilization of plants by humans. Proper biohybrid cooperation depends upon effective communication. During evolution, plants developed many ways to communicate with each other, with animals, and with microorganisms...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/28855641/crispr-cas9-mediated-mutagenesis-of-the-dihydroflavonol-4-reductase-b-dfr-b-locus-in-the-japanese-morning-glory-ipomoea-pharbitis-nil
#9
Kenta Watanabe, Anna Kobayashi, Masaki Endo, Kimiyo Sage-Ono, Seiichi Toki, Michiyuki Ono
CRISPR/Cas9 technology is a versatile tool for targeted mutagenesis in many organisms, including plants. However, this technique has not been applied to the Japanese morning glory (Ipomoea [Pharbitis] nil), a traditional garden plant chosen for the National BioResource Project in Japan. We selected dihydroflavonol-4-reductase-B (DFR-B) of I. nil, encoding an anthocyanin biosynthesis enzyme, as the target gene, and changes in the stem colour were observed during the early stages of plant tissue culture by Rhizobium [Agrobacterium]-mediated transformation...
August 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28852011/genome-wide-linkage-disequilibrium-mapping-to-the-candidate-gene-level-in-melon-cucumis-melo
#10
Amit Gur, Galil Tzuri, Ayala Meir, Uzi Sa'ar, Vitaly Portnoy, Nurit Katzir, Arthur A Schaffer, Li Li, Joseph Burger, Yaakov Tadmor
Cucumis melo is highly diverse for fruit traits providing wide breeding and genetic research opportunities, including genome-wide association (GWA) analysis. We used a collection of 177 accessions representing the two C. melo subspecies and 11 horticultural groups for detailed characterization of fruit traits variation and evaluation of the potential of GWA for trait mapping in melon. Through genotyping-by-sequencing, 23,931 informative SNPs were selected for genome-wide analyses. We found that linkage-disequilibrium decays at ~100 Kb in this collection and that population structure effect on association results varies between traits...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28851276/effects-of-horticultural-therapy-on-elderly-health-protocol-of-a-randomized-controlled-trial
#11
Hui Yu Chan, Roger Chun-Man Ho, Rathi Mahendran, Kheng Siang Ng, Wilson Wai-San Tam, Iris Rawtaer, Chay Hoon Tan, Anis Larbi, Lei Feng, Angelia Sia, Maxel Kian-Wee Ng, Goh Lee Gan, Ee Heok Kua
BACKGROUND: Due to a rapidly ageing population in the world, it is increasingly pertinent to promote successful ageing strategies which are cost-effective, easily accessible, and more likely to be acceptable to the elderly. Past research associates exposure to natural environments and horticultural therapy (HT) with positive psychological, social and physical health benefits. This Randomized Controlled Trial (RCT) is designed to evaluate the efficacy of HT in promoting Asian elderly' mental health, cognitive functioning and physical health...
August 29, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28846620/an-overview-of-leds-effects-on-the-production-of-bioactive-compounds-and-crop-quality
#12
REVIEW
Md Mohidul Hasan, Tufail Bashir, Ritesh Ghosh, Sun Keun Lee, Hanhong Bae
Light-emitting diodes (LEDs) are characterized by their narrow-spectrum, non-thermal photon emission, greater longevity, and energy-saving characteristics, which are better than traditional light sources. LEDs thus hold the potential to revolutionize horticulture lighting technology for crop production, protection, and preservation. Exposure to different LED wavelengths can induce the synthesis of bioactive compounds and antioxidants, which in turn can improve the nutritional quality of horticultural crops...
August 27, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28845765/role-of-green-tea-flavonoids-and-other-related-contents-in-cancer-prevention
#13
REVIEW
Muhammad Imran Qadir
Green tea is made from Camellia sinensis and leaves through the oxidation process. It mainly originates in China and has been used traditionally throughout Asia. In the West, black tea has been used mostly, but green tea has become the most popular beverage throughout the world. It is also used as a raw material in cosmetics, health foods, and as an added ingredient in various beverages. Different varieties of green tea are available. The main differences between the varieties are due to harvesting time, production procedures, and horticulture...
2017: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/28843134/rdreb1bi-enhances-drought-tolerance-by-activating-aqp-related-genes-in-transgenic-strawberry
#14
Xianbin Gu, Zhihong Gao, Yichao Yan, Xiuyun Wang, Yushan Qiao, Yahua Chen
The dehydration-responsive element binding protein (DREB) family of transcription factors is associated with abiotic stress responses during plant growth and development. This study focussed on the subfamily member DREB1B, which was initially described as highly and specifically responsive to low temperature. However, here it is shown that DREB1B is not only involved in cold tolerance but also other abiotic stress tolerances, such as that of drought. To further understand the genetic improvement effects of the drought tolerance provided by RdreB1BI in transgenic strawberry, drought stress responses of transgenic plants were evaluated at the morphological, physiological, and transcriptional levels...
August 18, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28840335/developmental-landmarks-during-floral-ontogeny-of-jalape%C3%A3-o-chili-pepper-capsicum-annuum-l-and-the-effect-of-gibberellin-on-ovary-growth
#15
R Sandoval-Oliveros, L Guevara-Olvera, J P Beltrán, C Gómez-Mena, G Acosta-García
Pepper (Capsicum annuum L.) is an important horticultural crop in many regions of the world. The final shape and size of the fruit are known to be determined at a very early step of flower development. During flower development hormonal treatments using gibberellins seem to promote growth resulting in higher yield and fruit quality. However, the morphological changes that occur in the pepper flowers after these treatments are largely unknown. In the present study, we provide a description of floral development landmarks of jalapeño chili pepper (cultivar Huichol), divided in nine representative stages from its initiation until the opening of the bud...
August 24, 2017: Plant Reproduction
https://www.readbyqxmd.com/read/28832651/inhibition-of-the-bioavailability-of-heavy-metals-in-sewage-sludge-biochar-by-adding-two-stabilizers
#16
Zhujian Huang, Qin Lu, Jun Wang, Xian Chen, Xiaoyun Mao, Zhenli He
Agricultural application of sewage sludge (SS) after carbonization is a plausible way for disposal. Despite its benefits of improving soil fertility and C sequestration, heavy metals contained in sewage sludge biochars (SSB) are still a concern. In this study, two types of heavy metal stabilizers were chosen: fulvic acid (FA) and phosphogypsum (with CaSO4, CS, as the main component). The two stabilizers were incorporated into SS prior to 350°C carbonization for 1 h at the rates of 1%, 2%, or 4%. The obtained SSBs were then analyzed by Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS)...
2017: PloS One
https://www.readbyqxmd.com/read/28830561/altered-chromatin-compaction-and-histone-methylation-drive-non-additive-gene-expression-in-an-interspecific-arabidopsis-hybrid
#17
Wangsheng Zhu, Bo Hu, Claude Becker, Ezgi Süheyla Doğan, Kenneth Wayne Berendzen, Detlef Weigel, Chang Liu
BACKGROUND: The merging of two diverged genomes can result in hybrid offspring that phenotypically differ greatly from both parents. In plants, interspecific hybridization plays important roles in evolution and speciation. In addition, many agricultural and horticultural species are derived from interspecific hybridization. However, the detailed mechanisms responsible for non-additive phenotypic novelty in hybrids remain elusive. RESULTS: In an interspecific hybrid between Arabidopsis thaliana and A...
August 22, 2017: Genome Biology
https://www.readbyqxmd.com/read/28827798/a-community-based-intervention-program-to-enhance-neighborhood-cohesion-the-learning-families-project-in-hong-kong
#18
Chen Shen, Alice Wan, Lit Tung Kwok, Sally Pang, Xin Wang, Sunita M Stewart, Tai Hing Lam, Sophia S Chan
BACKGROUND: Neighborhood cohesion, which refers to the extent of the connectedness and solidarity among residents in a community or neighborhood, is an important determinant of human health. To enhance neighborhood cohesion, the "Learning Families Project" was developed with a series of intervention programs in Kwun Tong in Hong Kong, a district with low neighborhood cohesion. This project, based on the social ecological model, provided a platform for neighbors to learn, communicate and interact with each other...
2017: PloS One
https://www.readbyqxmd.com/read/28826276/increased-activity-in-the-right-prefrontal-cortex-measured-using-near-infrared-spectroscopy-during-a-flower-arrangement-task
#19
Yuka Morita, Fumio Ebara, Yoshimitsu Morita, Etsuo Horikawa
OBJECTIVE: Flower arrangement program (FAP) horticultural therapy promotes psychological, social and physiological wellness and recovery. Moreover, FAPs have been used to evaluate the outcomes related to visuospatial working memory; yet, most of these studies used subjective outcome measures such as behavioural observations and questionnaires. Few studies report objective evaluations of FAP effects in humans. In the present study, we measured the effects of an FAP task on frontal lobe activity in healthy participants using near-infrared spectroscopy...
August 21, 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/28817100/modulatory-effects-of-exogenously-applied-polyamines-on-postharvest-physiology-antioxidant-system-and-shelf-life-of-fruits-a-review
#20
REVIEW
Sunil Sharma, Sunil Pareek, Narashans Alok Sagar, Daniel Valero, Maria Serrano
Polyamines (PAs) are natural compounds involved in many growth and developmental processes in plants, and, specifically in fruits, play a vital role regulating its development, ripening and senescence processes. Putrescine (PUT), spermine (SPE), and spermidine (SPD) are prominent PAs applied exogenously to extend shelf life of fruits. They also originate endogenously during developmental phases of horticultural crops and simultaneously affect the quality attributes and shelf life. Their anti-ethylene nature is being exploited to enhance the shelf life when exogenously applied on fruits...
August 17, 2017: International Journal of Molecular Sciences
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