Enabling adaptation to water scarcity: Identifying and managing root disease risks associated with reducing irrigation inputs in greenhouse crop production – A case study in poinsettia

Múnera, Johanna Del Castillo; Belayneh, Bruk E.; Ritsvey, Andrew; Koivunen, Emmi E.; Lea‐Cox, John D.; Swett, Cassandra L.

doi:10.1016/j.agwat.2019.105737

Cited by 7 publications

(6 citation statements)

References 45 publications

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“…Our work is consistent with previous studies of the tomato-P. capsici pathosystem, in which reducing irrigation inputs increased crown and root rot severity and enhanced incidence of vine decline (Del Castillo M unera et al, 2019a). Although there are limited studies of chrysanthemum, in a study of the ornamental crop poinsettia, Pythium root rot (caused by Pythium aphanidermatum) was also enhanced under severe water reductions (Del Castillo M unera et al, 2019b). This effect extends beyond oomycete pathogens to true fungi as well as fungal vectors of plant pathogens, such as viruses (Swett, 2020).…”

Section: Discussionsupporting

confidence: 91%

Improving Containerized Nursery Crop Sustainability: Effects of Conservation-driven Adaptations in Soilless Substrate and Water Use on Plant Growth and Soil-borne Disease Development

Beaulieu

Belayneh

Lea‐Cox

et al. 2022

horts

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Containerized crop production faces increasing sustainability challenges with both soilless substrate and water use. To facilitate use of sustainable practices, we evaluated plant health impacts of two substrates, bark and wood fiber, which we contrasted with peat, a substrate that is slower to renew; this was overlaid with an analysis of the effects of water-saving–targeted irrigation reductions, compared with typical well-watered conditions. Health impacts were evaluated in two crops, considering both physiological and disease impacts for tomato with and without Phytophthora capsici, and chrysanthemum with and without Phytopythium helicoides. Substrate type was a strong determinant of plant health, wherein crops grown in a HydraFiber-peat mix (“fiber”) performed worse than those in bark and peat, with up to a 50% and 45% reduction in shoot biomass in tomato and chrysanthemum, respectively (P < 0.001). Tomato decline incidence from P. capsici was 3–6 times higher in fiber than other substrates, and fiber was the only substrate where the effect of P. capsici enhanced decline and rot development compared with noninoculated plants (P < 0.05). In bark, reduced irrigation consistently inhibited tomato and chrysanthemum growth and shoot water content (typically P < 0.001). In peat, whereas tomato growth was inhibited under reduced irrigation (P = 0.012–0.013), chrysanthemum growth was often unaffected. Growth in fiber was uniformly poor regardless of irrigation regime for both crops, and an irrigation treatment effect was not typically apparent. Reduced irrigation enhanced pathogen effects in fiber and peat for tomato and fiber and bark for chrysanthemum (P < 0.05). This is perhaps the first study to evaluate HydraFiber interactions with disease and reduced irrigation and suggests that this product consistently incurs costs to crop productivity. However, the peat-replacing bark substrate has strong potential to optimize plant growth physiologically and via disease suppression and can be used under reduced irrigation without compromising economic productivity of the system.

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Section: Discussionsupporting

confidence: 91%

Improving Containerized Nursery Crop Sustainability: Effects of Conservation-driven Adaptations in Soilless Substrate and Water Use on Plant Growth and Soil-borne Disease Development

Beaulieu

Belayneh

Lea‐Cox

et al. 2022

horts

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“…In many western areas of the state, well capacities are very low. As a result, many ornamental production operations in these areas have taken steps to conserve water through increased irrigation application efficiency by adopting various irrigation best management practices, including performing irrigation system audits [12,46,47], changing irrigation management practices (i.e., cyclic irrigation), or by monitoring substrate moisture using sensor networks [7,48]. Managing and conserving water also reduces leaching and runoff of nutrients and agrochemicals, but caution must be taken with some water-sensitive species.…”

Section: Discussion-economic Strategies To Increase Water Securitymentioning

confidence: 99%

“…They documented that each poinsettia plant, produced in a highly water-efficient greenhouse, used 121 L over 16 weeks. Del Castillo Múnera et al [48] investigated how reducing water use would impact plant growth and disease infection risk, using plant and substrate material from case study A in a controlled greenhouse study. They demonstrated that by using decision (sensor-based) irrigation, as well as precision drip irrigation, an additional 23.2% of irrigation water can be saved without compromising the growth, quality, or health of the plant.…”

Section: Discussion-economic Strategies To Increase Water Securitymentioning

confidence: 99%

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A Comparison of Irrigation-Water Containment Methods and Management Strategies Between Two Ornamental Production Systems to Minimize Water Security Threats

Ristvey

Belayneh

Lea‐Cox

2019

Water

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Water security in ornamental plant production systems is vital for maintaining profitability. Expensive, complicated, or potentially dangerous treatment systems, together with skilled labor, is often necessary to ensure water quality and plant health. Two contrasting commercial ornamental crop production systems in a mesic region are compared, providing insight into the various strategies employed using irrigation-water containment and treatment systems. The first is a greenhouse/outdoor container operation which grows annual ornamental plants throughout the year using irrigation booms, drip emitters, and/or ebb and flow systems depending on the crop, container size, and/or stage of growth. The operation contains and recycles 50–75% of applied water through a system of underground cisterns, using a recycling reservoir and a newly constructed 0.25 ha slow-sand filtration (SSF) unit. Groundwater provides additional water when needed. Water quantity is not a problem in this operation, but disease and water quality issues, including agrochemicals, are of potential concern. The second is a perennial-plant nursery which propagates cuttings and produces field-grown trees and containerized plants. It has a series of containment/recycling reservoirs that capture rainwater and irrigation return water, together with wells of limited output. Water quantity is a more important issue for this nursery, but poor water quality has had some negative economic effects. Irrigation return water is filtered and sanitized with chlorine gas before being applied to plants via overhead and micro-irrigation systems. The agrochemical paclobutrazol was monitored for one year in the first operation and plant pathogens were qualified and quantified over two seasons for both production systems. The two operations employ very different water treatment systems based on their access to water, growing methods, land topography, and capital investment. Each operation has experienced different water quantity and quality vulnerabilities, and has addressed these threats using a variety of technologies and management techniques to reduce their impacts.

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“…For example, practical approaches to pest control are being developed aimed at increasing the yield of crops grown, incl. due to the quality of the produced product range [16].…”

Section: Study Of the Product Range Of Jsc "Sukhovskiy"mentioning

confidence: 99%

Range of goods in framework of agricultural enterprise management

Bondarev

Бондарева

2022

BIO Web Conf.

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The study of the product range of the enterprise, in particular, the agricultural ones, is one of the priority areas. Maintaining a stable demand for reduced goods is an obligatory condition for strategizing activities, a guarantee of development. The presented research reflects the theoretical foundations of enterprise management, in terms of building a strategy; the assortment features for both commodity and trade ones are disclosed; the authors highlighted the specifics of agricultural production through strategic management and its goal setting. In the main part of the work, there is a block focused on the study of the assortment within the framework of the agricultural enterprise management, based on the product range optimization. This is supported by the conclusions that this approach is a source of diversification of an agricultural enterprise production activity and takes into account both the existing market needs and the capabilities of the enterprise itself when creating the necessary conditions for its development, ensuring competitiveness not only in local markets, but also includes a possibility to expand its market zone. The assortment of goods was studied in a separate block on the example of a specific agricultural enterprise - the greenhouse complex JSC “Sukhovskiy”, a member of the Siberian agricultural complex of the brand “Em Rodnoe”. The assessment of the main economic indicators of the activities of JSC “Sukhovskiy” was carried out. For the purpose of practical testing of the developed directions of strategizing the product range of JSC “Sukhovskiy”, there was proposed a variant of its expansion by introducing roses into the “line” of production as the most popular and demanded flowers in high demand among the population. In addition, the agrotechnology of this production in the conditions of a greenhouse economy is shown, possible sales channels for finished products are proposed, the costs of the “rose” assortment line are structured and the predicted economic effect from the implementation of the proposed measures is calculated.

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Enabling adaptation to water scarcity: Identifying and managing root disease risks associated with reducing irrigation inputs in greenhouse crop production – A case study in poinsettia

Cited by 7 publications

References 45 publications

Improving Containerized Nursery Crop Sustainability: Effects of Conservation-driven Adaptations in Soilless Substrate and Water Use on Plant Growth and Soil-borne Disease Development

Improving Containerized Nursery Crop Sustainability: Effects of Conservation-driven Adaptations in Soilless Substrate and Water Use on Plant Growth and Soil-borne Disease Development

A Comparison of Irrigation-Water Containment Methods and Management Strategies Between Two Ornamental Production Systems to Minimize Water Security Threats

Range of goods in framework of agricultural enterprise management

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