Morphological characterization of the cucumber (<Emphasis Type="Italic">Cucumis sativus</Emphasis> L.) collection of the COMAV’s Genebank     

José Vicente Valcárcel  Rosa María Peiró  Ana Pérez-de-Castro  María José Díez 《Genetic Resources and Crop Evolution》2018,65(4):1293-1306

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Microalgal paste production of the diatom <Emphasis Type="Italic">Chaetoceros calcitrans</Emphasis> using electrolytic flocculation method at optimum culture conditions     

Milagros R. de la Peña  Annie Villa Franco  Hermoso P. IgcasanJr  Mary Dianne Grace N. Arnaldo  Ramil M. Piloton  Soledad S. Garibay  Vicente T. Balinas 《Aquaculture International》2018,26(4):1119-1134

The optimum culture conditions of the local strain Chaetoceros calcitrans were determined to improve biomass and reduce cost of production. Under outdoor culture conditions, higher cell density was attained when the cultures were enriched with Tungkang Marine Research Laboratory (TMRL) medium composed of cheap technical grade reagents and cultured at 25 g L^?1 salinity. The cultures were lighted with two 40 W cool-white GE fluorescent tubes (24–35 μmol photon m^?2 s^?1). Using semi-continuous culture system under established optimum culture conditions, C. calcitrans can be re-cultured thrice and concentrated at each culture cycle using electrolytic flocculation method to produce 4.6 kg m^?3 of diatom paste. The viability of concentrated C. calcitrans after 3 months of storage was comparable to live diatom cells. Simple preservation technique by low-temperature storage is convenient for storing algal concentrates for use as starter cultures and for feeding invertebrates. The paste costs USD 8.24 kg^?1 inclusive of the assets and flocculation materials for culturing and harvesting the diatom, respectively. This study established the suitable conditions for mass culture of C. calcitrans and produced concentrated diatoms in paste form that is readily available for aquaculture hatcheries at a lower cost.  相似文献   

Clonostachys rosea reduces spot blotch in barley by inhibiting prepenetration growth and sporulation of Bipolaris sorokiniana without inducing resistance          下载免费PDF全文

Birgit Jensen  Peter S Lübeck  Hans JL Jørgensen 《Pest management science》2016,72(12):2231-2239

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Soil fertility,growth and mineral nutrition in Eucalyptusgrandis plantation fertilized with different kinds of sewage sludge     

Alexandre de Vicente Ferraz  Luana Trevine Momentel  Fábio Poggiani 《New Forests》2016,47(6):861-876

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Effect of colored plastic mulch on growth,yield and nutrient status in cucumber under shade house and open field conditions     

Vicente Torres-Olivar  Luis Alonso Valdez-Aguilar  Antonio Cárdenas-Flores  Hugo Lira-Saldivar  Marcela Hernández-Suárez 《Journal of plant nutrition》2016,39(14):2144-2152

The aim of this study was to realize whether soil mulching, with different plastic mulch colors, is a suitable practice under shade house (SH) conditions for the culture of cucumber. To do so, cucumber was cultured mulched or not with black, blue, red or white-on-black plastic films under SH, and contrasted against mulched cucumber in open field (OF). Red mulch produced the highest shoot dry weight per plant and bare soil the lowest. However, it was the white mulch which produced the highest commercial yield per plant. Contrastingly, bare soil plants produced the lowest commercial yield. SH plants two folded photosynthetic rates compared to OF plants. Mulch color mainly impacted leaf phosphorus (P) and magnesium (Mg) content while the SH affected nitrogen (K), calcium (Ca) and magnesium (Mg). Our results confirm that soil mulching, and shading positively impact the cucumber yield and quality but also show that soil mulching under SH enhances cucumber crop.  相似文献   

Metabolic responses of avocado plants to stress induced by Rosellinia necatrix analysed by fluorescence and thermal imaging     

Granum  Espen  Pérez-Bueno  María Luisa  Calderón  Claudia E.  Ramos  Cayo  de Vicente  Antonio  Cazorla  Francisco M.  Barón  Matilde 《European journal of plant pathology / European Foundation for Plant Pathology》2015,142(3):625-632

European Journal of Plant Pathology - One of the most important soilborne diseases affecting avocado (Persea americana Mill.) crops is white root rot, caused by the fungus Rosellinia necatrix. In...  相似文献   

Bait station devices can improve mass trapping performance for the control of the Mediterranean fruit fly          下载免费PDF全文

Vicente Navarro‐Llopis  Jaime Primo  Sandra Vacas 《Pest management science》2015,71(7):923-927

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Inclusion of fish and krill meal in extruded diets for Octopus vulgaris (Cuvier, 1797): assessment of acceptance     

Pablo Querol  Piedad S Morillo‐Velarde  Jesus Cerezo Valverde  Martinez Llorens Silvia  Andres Vicente Moñino  Miguel Jover Cerdá  Ana Tomás Vidal 《Aquaculture Research》2014,45(8):1421-1424

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Effect of salicylic acid treatment on tomato plant physiology and tolerance to potato virus X infection   总被引：1，自引：0，他引：1  

Tania Falcioni  Juan Pedro Ferrio  Ana Isabel del Cueto  Jordi Giné  María Ángeles Achón  Vicente Medina 《European journal of plant pathology / European Foundation for Plant Pathology》2014,138(2):331-345

Salicylic acid (SA) is an inducer of systemic acquired resistance (SAR) and could be a potential candidate in the control of plant virus diseases. In this study we assayed under controlled conditions the potential effect of three doses of exogenous SA treatment on tomato plants infected with Potato virus X (PVX) and measured their effects on: different physiological parameters (gas exchange, stable isotopes, chlorophyll content), the activation of secondary metabolism, viral accumulation and induction of the expression of pathogenesis-related proteins (PRs) such as ß-1, 3-glucanase (PR2) and chitinase (PR3). SA treatment increased the expression of PR2, the activity of phenylalanine ammonia lyase (PAL) and the concentration of antioxidant compounds at 7 days post-treatment. Earlier expression of PR3 compared to PR2 was observed. SA treatment delayed the detection of PVX by ELISA in uninoculated leaves of mechanically infected tomato plants. Although the effect of PVX infection on physiological parameters was weak, moderate SA treatments showed enhanced photosynthesis, particularly for infected plants. The results obtained confirm that SA promotes major changes in the induction of resistance in tomato plants and suggest that treatment with exogenous SA could be considered to reduce the infections caused by PVX.  相似文献   

Factors Affecting Plasma Pregnancy-associated Glycoprotein 1 Concentrations Throughout Gestation in High-producing Dairy Cows     

B Serrano  F López-Gatius  P Santolaria  S Almería  I García-Ispierto  G Bech-Sabat  J Sulon  NM de Sousa  JF Beckers  JL Yániz 《Reproduction in domestic animals》2009,44(4):600-605

This study was designed to establish the factors, if any, which could affect plasma pregnancy-associated glycoprotein-1 (PAG-1) expression in a study population of 87 pregnant, high-producing dairy cows. The factors examined were: semen providing breed (Holstein-Friesian vs Limousin), outcome of gestation (male vs female newborn, and singleton vs twin pregnancies), lactation number, milk production at pregnancy diagnosis, plasma progesterone concentration, season of gestation (warm period, March–November vs cool period, December–February), and day of gestation (40, 90, 120, 150, 180 and 210). Pregnancy was diagnosed by transrectal ultrasound on day 40 post-insemination and by palpation per rectum on days 90, 120, 150, 180 and 210. Blood samples were collected from each animal immediately before each pregnancy diagnosis. The relative contributions of the different factors on PAG-1 concentrations were evaluated by GLM repeated measures analysis of variance. No significant effects of the herd, foetal sex, milk production, lactation number and plasma progesterone concentrations were observed. In contrast, twin pregnancy, the use of Limousin semen and conception during the cool period were correlated with significantly increased plasma PAG-1 concentrations throughout gestation. Our data indicate that both cow well-being during early placental development, determined in our conditions by reduced heat stress when conception occurred in the cool season, and crossbreed pregnancies lead to improved PAG-1 production throughout the gestation period.  相似文献