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1. Activity and bioformulation of Trichoderma harzianum for management of tomato diseases caused by soilborne pathogens

Author:
Yucel, S.; Karacanci, S.; Ay, T.
Source:
Acta horticulturae 2017 no.1164 pp. 339-344
ISSN:
0567-7572
Subject:
Fusarium; Pythium; Rhizoctonia; Trichoderma harzianum; damping off; disease incidence; disinfestation; exports; greenhouse experimentation; greenhouses; pathogens; pesticide application; planting; root rot; roots; seedlings; soil; soil solarization; soil-borne diseases; spores; tomatoes; vegetable growing; Mediterranean region; Turkey (country)
Abstract:
... Protected vegetable cultivation in Turkey, which is economically important for both domestic consumption and export facilities, is done on around 61696 ha of area with 5.9 million tons of production. Therefore, disease and pest management have become one of the major restricting factors on protected vegetable cultivation in Turkey. Root rot, wilt, damping off diseases caused by soil borne pathogen ...
DOI:
10.17660/ActaHortic.2017.1164.43

2. Aeromonas media in compost amendments contributes to suppression of Pythium ultimum in cress

Author:
Oberhaensli, T.; Hofer, V.; Tamm, L.; Fuchs, J. G.; Koller, M.; Herforth-Rahme, J.; Maurhofer, M.; Thuerig, B.
Source:
Acta horticulturae 2017 no.1164 pp. 353-360
ISSN:
0567-7572
Subject:
Aeromonas media; Enterobacter cloacae; Lepidium sativum; Pythium ultimum; bacteria; composts; damping off; disease control; matrix-assisted laser desorption-ionization mass spectrometry; organic foods; peat; plant growth; qualitative analysis; rhizoplane; soil; soil-borne diseases; vegetable growing
Abstract:
... Soil-borne diseases such as damping-off caused by Pythium sp. are responsible for high yield losses in organic vegetable production and are difficult to control. Compost amendments have been shown to improve in many cases survival and growth of plants in soils infested with soil-borne diseases. Yet, not all composts are disease suppressive and suppressiveness of composts can be pathogen-specific. ...
DOI:
10.17660/ActaHortic.2017.1164.45

3. Agroecological infrastructures to enhance the presence of natural enemies against aphids

Author:
Lambion, J.; Franoux, L.
Source:
Acta horticulturae 2017 no.1164 pp. 419-424
ISSN:
0567-7572
Subject:
Aphis gossypii; Carabidae; Coccinellidae; Forficulidae; Syrphidae; agroecology; arthropods; commercial farms; crops; flowers; infrastructure; irrigation; melons; natural enemies; predators; soil; tillage; France
Abstract:
... The effect of agroecological infrastructures has been tested on Aphis gossypii Glover-melon pathosystem. During a three-year project in southern France, flower strips have been sown around melon crops with species known to attract natural enemies, and compared to a bare soil control. The development of the flower strips, the transfer of beneficials from the surroundings into the crop, the colonisa ...
DOI:
10.17660/ActaHortic.2017.1164.54

4. Assessment of crop water status by means of crop reflectance

Author:
Elvanidi, A.; Katsoulas, N.; Bartzanas, T.; Ferentinos, K. P.; Kittas, C.
Source:
Acta horticulturae 2017 no.1164 pp. 297-304
ISSN:
0567-7572
Subject:
Solanum lycopersicum; algorithms; cameras; chlorophyll; correlation; exposure duration; greenhouses; growth chambers; irrigation; nitrogen content; perlite; photons; radiometry; reflectance; slabs; tomatoes; water content; water stress
Abstract:
... Aim of this work is to present the procedure for precise plant reflectance measurements in order to estimate the plant water and chlorophyll status in a controlled environment. The method could be applied to conventional or organic greenhouse conditions. A hyperspectral camera was used to provide remotely plant reflectance measurements during periods with normal or low substrate water content. The ...
DOI:
10.17660/ActaHortic.2017.1164.37

5. Assessment of energy consumption in organic tomato greenhouse production - a case study

Author:
Baptista, F. J.; Murcho, D.; Silva, L. L.; Stanghellini, C.; Montero, J. I.; Kempkes, F.; Munoz, P.; Gilli, C.; Giuffrida, F.; Stepowska, A.
Source:
Acta horticulturae 2017 no.1164 pp. 453-460
ISSN:
0567-7572
Subject:
agrochemicals; air; animal manures; case studies; crops; energy; environmental impact; farmers; fertilizers; greenhouse gas emissions; greenhouse gases; greenhouse production; greenhouses; markets; microclimate; nutritive value; organic foods; organic production; pesticides; prices; soil; taste; tomatoes; Mediterranean region
Abstract:
... Greenhouse production has increased over the last decades in the Mediterranean region. Greenhouses allow protecting crops from adverse climate conditions, creating microclimate conditions appropriate for obtaining high production with high quality all over the year. However, greenhouse production is generally associated with high environmental impacts due to the use of high amounts of resource inp ...
DOI:
10.17660/ActaHortic.2017.1164.59

6. Behavioural study on host plants shared by the predator Dicyphus errans and the prey Tuta absoluta

Author:
Ingegno, B. L.; Candian, V.; Tavella, L.
Source:
Acta horticulturae 2017 no.1164 pp. 377-382
ISSN:
0567-7572
Subject:
Datura; Dicyphus errans; Palearctic region; Solanum; Tuta absoluta; agroecosystems; basins; biological control; boring insects; companion crops; eggplants; eggs; faba beans; females; habitats; host plants; larvae; nymphs; olfactometers; organic foods; potatoes; predation; predators; rearing; tomatoes; zucchini; Italy; Mediterranean region
Abstract:
... In the Mediterranean basin, tomato has been attacked seriously by the exotic tomato borer, Tuta absoluta (Lepidoptera: Gelechiidae), reported also on other Solanaceae. Some generalist predators, belonging to the tribe Dicyphini (Hemiptera: Miridae), have demonstrated a good potential in controlling this pest. Among them, the Palaearctic Dicyphus errans occurs naturally in organic tomato in NW Ital ...
DOI:
10.17660/ActaHortic.2017.1164.48

7. Biomarkers for selection of parthenocarpic zucchini cultivars

Author:
Pomares-Viciana, T.; Rio, M. Del; Cabrera, R.; Garcia, M. C.; Gomez, P.
Source:
Acta horticulturae 2017 no.1164 pp. 93-100
ISSN:
0567-7572
Subject:
Cucurbita pepo; auxins; biomarkers; cultivars; environmental factors; ethylene; ethylene production; germplasm; greenhouses; horticultural crops; humidity; mutants; organic production; parthenocarpy; phenotype; phototropism; plant ovary; pollination; pollinators; signal transduction; temperature; winter; zucchini; Spain
Abstract:
... The current cultivars of zucchini (Cucurbita pepo) grown in greenhouses at late seasons (winter), are supplemented with synthetic auxins to induce fruit set, in order to avoid the effect of harsh environmental conditions as low temperatures, inadequate humidity and the inactivity of pollinators. In organic production in greenhouse, to elude the application of synthetic auxins and increase fruit se ...
DOI:
10.17660/ActaHortic.2017.1164.12

8. Bioseedling: a chain approach to the production of healthier seeds and seedlings of Lamb's lettuce Valerianella locusta

Author:
Herforth-Rahme, J.; Fuchs, J. G.; Hofer, V.; Schnueriger, M.; Scharer, H. J.; Koller, M.
Source:
Acta horticulturae 2017 no.1164 pp. 39-46
ISSN:
0567-7572
Subject:
Acidovorax; Peronospora; Pythium ultimum; Rhizoctonia; Valerianella locusta; calcium hydroxide; composts; disinfection; downy mildew; ethanol; fungal diseases of plants; germination; plant pathogenic fungi; plant protection; planting; seed size; seedlings; seeds; sodium hypochlorite; soil; sporulation; steam; vegetables
Abstract:
... The project BIOSEEDLING “Robust planting material from seeds to young plants - an implementation oriented chain approach” aims to find improved production procedures for vegetable seedlings of lamb's lettuce. First, the production of lamb's lettuce seeds of a professional seed producer was analyzed and the effect of harvest time and seed size on the germination and disease rate in the seeds was st ...
DOI:
10.17660/ActaHortic.2017.1164.5

9. Biostimulant and suppressive effect of Trichoderma harzianum enriched compost for melon cultivation from greenhouse nursery to field production

Author:
Pascual, J. A.; Bernal-Vicente, A.; Martinez-Medina, A.; Ros, M.; Sanchez, C.
Source:
Acta horticulturae 2017 no.1164 pp. 225-232
ISSN:
0567-7572
Subject:
Trichoderma harzianum; biofertilizers; composting; crop yield; greenhouses; growing media; muskmelons; peat; plant pathogens; soil
Abstract:
... Trichoderma harzianum T-78 (Th T-78) enriched compost was assayed as growing medium and organic amendment by testing the biostimulant, biofertilizer and suppressive effect on melon crop since the nursery to the field at biogreenhouse conditions. Th-T78 enriched compost showed the highest plant fresh weight and the lowest pathogen incidence both under artifiticial plant pathogen at the nursery cond ...
DOI:
10.17660/ActaHortic.2017.1164.29

10. Comparing the usefulness of assessment tools for environmental impacts evaluation of organic greenhouse horticulture

Author:
Foresi, L.; Anton, A.; Schmutz, U.
Source:
Acta horticulturae 2017 no.1164 pp. 485-492
ISSN:
0567-7572
Subject:
case studies; decision making; environmental impact; greenhouses; horticulture; life cycle assessment; natural resources; organic production; public services and goods; United Kingdom
Abstract:
... Organic farming is primarily meant to be sustainable; however, evaluating the sustainability of farming systems in a complete way is a complex issue. In recent years, a high number of sustainability assessment tools has been developed and used worldwide; nevertheless, even if they differ in terms of analysis depth, none of them seems comprehensive enough. Amongst all the existing tools we have cho ...
DOI:
10.17660/ActaHortic.2017.1164.63

11. Comparison of Orius niger with Orius laevigatus biological control efficiency to western flower thrips (Frankliniella occidentalis Pergande) on sweet pepper in greenhouses

Author:
Kececi, M.; Gurkan, M. O.
Source:
Acta horticulturae 2017 no.1164 pp. 399-406
ISSN:
0567-7572
Subject:
Frankliniella occidentalis; Orius laevigatus; Orius niger; adults; autumn; biological control; greenhouses; growing season; insecticide resistance; insecticides; insects; pests; pollution; predators; spring; sweet peppers
Abstract:
... Frankliniella occidentalis is the prevalent pest causing serious damage in protected pepper cultivation. Synthetic insecticides have been and are still used to control this insect. However, these chemical applications create enormous problems such as environmental pollution, resistance to insecticides, ineffectiveness, residue, etc. This study was conducted in order to assess the biological contro ...
DOI:
10.17660/ActaHortic.2017.1164.51

12. Composting process management and compost benefits for soil fertility and plants

Author:
Fuchs, J. G.
Source:
Acta horticulturae 2017 no.1164 pp. 195-202
ISSN:
0567-7572
Subject:
bioactive properties; climatic factors; composting; fertilizers; growers; humus; nutrients; organic production; plant diseases and disorders; production technology; raw materials; soil fertility; soil quality; soil structure; soil types
Abstract:
... Composts are recycled fertilizers with potential. They can influence the soil quality at different levels: supply of nutrients, enhancement of humus content in soil, improvement of soil structure and water hold capacity, reduction of erosion, and stimulation of biological activity. Compost can also suppress plant diseases. However, an optimal management of the composting process, from the choice o ...
DOI:
10.17660/ActaHortic.2017.1164.25

13. Could the artificial inoculation of AM fungi improve the benefits of using pea (Pisum sativum L.) plants for soil amendment purposes in greenhouses?

Author:
Meca, E.; Sallaku, G.; Balliu, A.
Source:
Acta horticulturae 2017 no.1164 pp. 233-240
ISSN:
0567-7572
Subject:
Glomus; Pisum sativum subsp. sativum var. sativum; aboveground biomass; absorption; biomass production; green manures; greenhouses; mycorrhizal fungi; nitrogen; peas; phosphorus; plant tissues; potassium; roots; salinity; shoots; sodium chloride; soil amendments
Abstract:
... The study aimed to investigate the effects of commercially available AMF inoculate (Glomus sp. mixture) on the growth and the nutrient acquisition of garden pea (Pisum sativum L.) plants. Inoculated (AMF+) and non-inoculated (AMF-) pea plants were subjected to two levels of NaCl salinity (0 and 50 mM NaCl). Several times during the growing cycle, randomly selected plants were analyzed for dry matt ...
DOI:
10.17660/ActaHortic.2017.1164.30

14. Cracking of tomato fruits in organic greenhouse trial

Author:
Bender, I.; Poldma, P.
Source:
Acta horticulturae 2017 no.1164 pp. 527-534
ISSN:
0567-7572
Subject:
cattle manure; cherries; cracking; cultivars; fruits; greenhouse experimentation; greenhouses; growers; macroalgae; polyethylene; poultry manure; research institutions; small fruits; soil; temperature; tomatoes; vegetation; weather; Netherlands
Abstract:
... The objective of the research was to study how the Estonian weather conditions influence the cracking of tomato fruits of different weight and origin. Three new for Estonian conditions tomato cultivars from The Netherlands ('Auris' F1, 'Minaret' F1 and 'Tolstoi' F1), two cherry type cultivars ('Gartenfreude' and 'Sun Baby') and five local widely cultivated cultivars ('Erk', 'Maike', 'Malle' F1, 'V ...
DOI:
10.17660/ActaHortic.2017.1164.69

15. Developing organic tomato production in the participatory research context

Author:
Bath, B.; Ogren, E.
Source:
Acta horticulturae 2017 no.1164 pp. 493-500
ISSN:
0567-7572
Subject:
additives; animal manures; crop yield; growers; heavy metals; nutrient deficiencies; nutrient requirements; nutrient use efficiency; nutrient utilization; organic foods; pH; plant nutrition; planting; researchers; soil; tomatoes; Sweden
Abstract:
... The roles of different actors in agricultural knowledge and innovation systems are currently converging and thus participatory approaches are becoming increasingly prevalent. These new platforms offer scientists and farmers a space for dialogue, where desirable and feasible solutions to common problems can be identified, analysed and implemented. A successful initiative in this context in Sweden i ...
DOI:
10.17660/ActaHortic.2017.1164.64

16. Development of disease-suppressive organic growing media

Author:
Fuchs, J. G.; Hedrich, T.; Hofer, V.; Koller, M.; Oberhaensli, T.; Ribera Regal, J.; Tamm, L.; Thuerig, B.; Schwarze, F. W. M. R.; Herforth-Rahme, J.
Source:
Acta horticulturae 2017 no.1164 pp. 181-188
ISSN:
0567-7572
Subject:
Trichoderma; basil; biological control agents; coconuts; composts; green waste; growing media; manufacturing; microorganisms; nitrogen fertilizers; nutrients; pathogens; peat; seedling production; seedlings; soil-borne diseases; vegetable growing; wood fibers
Abstract:
... Vigorous seedlings are an important base for vegetable production. Beside the availability of appropriate amounts of nutrients, the health of seedlings is decisive. Soil-borne diseases are a challenging problem in organic seedling production. Here, we present results on the development of disease-suppressive growing media. Three aspects were examined: (i) use of different components of growing med ...
DOI:
10.17660/ActaHortic.2017.1164.23

17. Disease management in organic greenhouse horticulture: solutions, new insights and bottlenecks

Author:
Elad, Y.
Source:
Acta horticulturae 2017 no.1164 pp. 311-318
ISSN:
0567-7572
Subject:
Trichoderma; air; bacteria; biochar; calcium; composts; conidia; cropping systems; disease outbreaks; disease resistance; fungi; germination; greenhouses; heat; horticultural crops; horticulture; mulches; nitrogen; organic production; pathogens; plant diseases and disorders; plant growth; plant organs; polyethylene; potassium; relative humidity; sanitation; soil; soil solarization; weather forecasting
Abstract:
... Plant diseases pose a major threat to horticultural crops grown in greenhouses. High relative humidity (RH) and the presence of a film of water on susceptible plant organs for long periods of time provide favorable conditions for the germination of conidia and infection by many pathogens: bacteria, fungi and fungus-like microorganisms. Conditions of excess nitrogen and unbalanced availability of N ...
DOI:
10.17660/ActaHortic.2017.1164.39

18. Dynamics of nitrogen derived from hairy vetch applied as cover crop in tomato production in plastic house

Author:
Sugihara, Y.; Ueno, H.; Hirata, T.; Komatsuzaki, M.; Araki, H.
Source:
Acta horticulturae 2017 no.1164 pp. 135-142
ISSN:
0567-7572
Subject:
Solanum lycopersicum; Vicia villosa; cover crops; fresh market; fruit yield; legumes; nitrogen; nitrogen fertilizers; nutrient use efficiency; seedlings; soil; stable isotopes; tomatoes; Japan
Abstract:
... Fresh market tomatoes (Solanum lycopersicum L.) are mainly grown in plastic house in Japan and usually a large amount of nitrogen fertilizer was applied for getting high yield. One of the ways to establish an organic system, no chemical N fertilizer, is the use of cover crops. The application effect of a legume cover crop, hairy vetch (Vicia villosa R., HV), on N dynamics in fresh market tomatoes, ...
DOI:
10.17660/ActaHortic.2017.1164.17

19. Effect of different seed treatments against seed borne diseases on corn salad

Author:
Scharer, H. J.; Schnueriger, M.; Hofer, V.; Herforth-Rahme, J.; Koller, M.
Source:
Acta horticulturae 2017 no.1164 pp. 33-38
ISSN:
0567-7572
Subject:
Acidovorax; Peronospora; Valerianella locusta; composts; crops; disinfection; ethanol; germination; hot water treatment; organic production; pathogens; polymerase chain reaction; seed treatment; seed-borne diseases; seeds; sodium hypochlorite; steam; toxicity
Abstract:
... Seed borne pathogens may cause high yield losses in various crops. It is therefore of vital importance that seed treatments that eliminate seed borne pathogens are available. The aim of this work was to evaluate the effect of selected seed treatments against two seed-borne diseases (Acidovorax valerianellae and Peronospora valerinaellae) on corn salad (Valerianella locusta). Treatments with ethano ...
DOI:
10.17660/ActaHortic.2017.1164.4

20. Effect of lignin-rich crop residues on the viability of Verticillium in organic greenhouse soils

Author:
Cuijpers, W. J. M.; Hospers-Brands, M.; Debode, J.; Franca, S. C.
Source:
Acta horticulturae 2017 no.1164 pp. 319-326
ISSN:
0567-7572
Subject:
Verticillium dahliae; Verticillium longisporum; Verticillium wilt; broccoli; cauliflower; clay; clay soils; corn; corn stover; cropping systems; crops; disinfestation; greenhouse production; greenhouse soils; greenhouses; growers; leaves; lignin; oats; organic soils; quantitative polymerase chain reaction; rivers; rootstocks; sclerotia; soil amendments; soil-borne diseases; viability
Abstract:
... Healthy soils are of vital importance for organic greenhouse cultivation. Due to the intensity of the cropping system, soil-borne diseases are of great concern. To achieve a more resilient system, growers use multiple strategies, including resistant rootstocks, organic soil amendments, biological soil disinfestation and plant stimulants. Soil-borne pathogens that form (micro) sclerotia are particu ...
DOI:
10.17660/ActaHortic.2017.1164.40