Incidence of Lettuce Tipburn as Related to Hydroponic System and Cultivar

Assimakopoulou, Anna; Kotsiras, Anastasios; Nifakos, Kallimachos

doi:10.1080/01904167.2013.793709

Cited by 14 publications

(11 citation statements)

References 44 publications

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“…The lettuce genotypes studied in this work were selected based on their contrasting tipburn incidence when grown in soil. A previous study using a small number of lettuce cultivars grown in hydroponics showed that tipburn was not observed in the late Winter season, whereas it was severe during Spring [48]. We found that tipburn incidence was higher during Spring but lower in Winter for most of the studied cultivars grown in hydroponics (Figure 6a).…”

Section: Discussionsupporting

confidence: 63%

Genotype-Dependent Tipburn Severity during Lettuce Hydroponic Culture Is Associated with Altered Nutrient Leaf Content

Birlanga¹,

Acosta‐Motos

Pérez-Pérez

2021

Agronomy

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Cultivated lettuce (Lactuca sativa L.) is one of the most important leafy vegetables in the world, and most of the production is concentrated in the Mediterranean Basin. Hydroponics has been successfully utilized for lettuce cultivation, which could contribute to the diversification of production methods and the reduction of water consumption and excessive fertilization. We devised a low-cost procedure for closed hydroponic cultivation and easy phenotyping of root and shoot attributes of lettuce. We studied 12 lettuce genotypes of the crisphead and oak-leaf subtypes, which differed on their tipburn resistance, for three growing seasons (Fall, Winter, and Spring). We found interesting genotype × environment (G × E) interactions for some of the studied traits during early growth. By analyzing tipburn incidence and leaf nutrient content, we were able to identify a number of nutrient traits that were highly correlated with cultivar- and genotype-dependent tipburn. Our experimental setup will allow evaluating different lettuce genotypes in defined nutrient solutions to select for tipburn-tolerant and highly productive genotypes that are suitable for hydroponics.

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Section: Discussionsupporting

confidence: 63%

Genotype-Dependent Tipburn Severity during Lettuce Hydroponic Culture Is Associated with Altered Nutrient Leaf Content

Birlanga¹,

Acosta‐Motos

Pérez-Pérez

2021

Agronomy

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“…Tipburn is a physiological disorder in lettuce which is generally associated with distribution of calcium (Ca) ions within plant leaves [51]. A lower rate of transpiration and high humidity are environmental factors affecting Ca uptake and cause localized tipburn.…”

Section: Discussionmentioning

confidence: 99%

Effect of Greenhouse CO2 Supplementation on Yield and Mineral Element Concentrations of Leafy Greens Grown Using Nutrient Film Technique

et al. 2020

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Carbon dioxide (CO2) concentration is reported to be the most important climate variable in greenhouse production with its effect on plant photosynthetic assimilation. A greenhouse study was conducted using a nutrient film technique (NFT) system to quantify the effect of two different levels of CO2 (supplemented at an average of 800 ppm and ambient at ~410 ppm) on growth and nutritional quality of basil (Ocimum basilicum L.) ‘Cardinal’, lettuce (Lactuca sativa L.) ‘Auvona’, and Swiss chard (Beta vulgaris L.) ‘Magenta Sunset’ cultivars. Two identical greenhouses were used: one with CO2 supplementation and the other serving as the control with an ambient CO2 concentration. The results indicate that supplemented CO2 could significantly increase the height and width of hydroponically grown leafy greens. Supplemented CO2 increased the fresh weight of basil ‘Cardinal’, lettuce ‘Auvona’, and Swiss chard ‘Magenta Sunset’ by 29%, 24.7%, and 39.5%, respectively, and dry weight by 34.4%, 21.4%, and 40.1%, respectively. These results correspond to a significant reduction in Soil Plant Analysis Development (SPAD) and atLEAF values, which represent a decrease in leaf chlorophyll content under supplemented CO2 conditions. Chlorophyll, nitrogen (N), phosphorus (P), and magnesium (Mg) concentrations were generally lower in plants grown in supplemented CO2 conditions, but the results were not consistent for each species. Supplemented CO2 reduced tissue N concentration for basil ‘Cardinal’ and lettuce ‘Auvona’ but not Swiss chard, while Mg concentration was reduced in supplemented CO2 for Swiss chard ‘Magenta Sunset’ only. In contrast, Fe concentration was increased under supplemented CO2 for basil ‘Cardinal’ only. These findings suggest CO2 supplementation could increase yield of leafy greens grown with hydroponics and have varying impact on different mineral concentrations among species.

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“…Dengan adanya rongga udara di dalam sistem sangat membantu dalam mengurangi resiko tidak adanya pergerakan air akibat tidak ada daya listrik, sehingga tanaman tidak mudah terpengaruh dan dalam jangka pendek kebutuhan oksigen tetap dapat terpenuhi. Sistem ini merupakan salah satu metode bercocok tanam yang mudah dan tidak membutuhkan biaya yang besar dan sangat ideal untuk menanam sayuran (leafy vegetables) [9,3]. Metode ini dapat digunakan untuk budidaya tanaman secara agronomis dan ekonomis yang menguntungkan, sehingga dapat membantu meningkatkan pendapatan petani khususnya di wilayah pedesaan dengan lahan yang kurang mendukung.…”

Section: Pendahuluanunclassified

Penerapan teknologi hidroponik sistem deep flow technique sebagai usaha peningkatan pendapatan petani di Desa Sungai Bawang

Fitmawati

Isnaini

Fatonah

et al. 2018

RAJE

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The target becomes a self-reliant village must be accompanied by strengthening village ability in supplying the basic needs independently. Vegetables are one of the crucial basic needs to achieve a healthy and prosperous society. The demand for vegetables in Sungai Bawang Village, Kuantan Singingi Regency, is constrained by the available land for vegetable farming. Hydroponic planting system offers the technique without soil that can be implemented anywhere. It has added value in providing clean and hygienic vegetables. Hydroponics technology system of Deep Flow Technique able to provide water and oxygen for plants and suitable for leafy vegetables. Hydroponic is appropriate to be implemented in Sungai Bawang village and did not require huge land in applying this technology. The mentoring strategy is carried out by counseling and demonstration of direct planting stages and the practice by the community. This activity gave a positive influence on the community as well as many people who want to apply this technology. This was the first step in increasing the income of the community, especially farmers. And for the community in general, this technology facilitates the people to get vegetables easily at an affordable price.

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Incidence of Lettuce Tipburn as Related to Hydroponic System and Cultivar

Cited by 14 publications

References 44 publications

Genotype-Dependent Tipburn Severity during Lettuce Hydroponic Culture Is Associated with Altered Nutrient Leaf Content

Genotype-Dependent Tipburn Severity during Lettuce Hydroponic Culture Is Associated with Altered Nutrient Leaf Content

Effect of Greenhouse CO2 Supplementation on Yield and Mineral Element Concentrations of Leafy Greens Grown Using Nutrient Film Technique

Penerapan teknologi hidroponik sistem deep flow technique sebagai usaha peningkatan pendapatan petani di Desa Sungai Bawang

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