Effect of lowering nutrient solution concentration at night on leaf calcium levels and the incidence of tipburn in lettuce (Var. Gloria)

Cresswell, G. C.

doi:10.1080/01904169109364252

Cited by 15 publications

(7 citation statements)

References 23 publications

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“…In some cases, no relation between improvement in leaf Ca 2+ and decrease in tipburn incidence has been observed (Cresswell, 1991;Saure, 1998), yet there has very limited research on other mechanisms contributing to tipburn development. BER developing in fruits of pepper and tomato grown under saline conditions has been recently associated with the production of reactive oxygen species (ROS) in the affected zone (Aktas et al, 2005;Ho and White, 2005).…”

Section: Introductionmentioning

confidence: 97%

Tipburn in salt-affected lettuce (Lactuca sativa L.) plants results from local oxidative stress

Carassay¹,

Bustos²,

Golberg³

et al. 2012

Journal of Plant Physiology

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Section: Introductionmentioning

confidence: 97%

Tipburn in salt-affected lettuce (Lactuca sativa L.) plants results from local oxidative stress

Carassay¹,

Bustos²,

Golberg³

et al. 2012

Journal of Plant Physiology

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“…In these conditions, water is absorbed by the roots faster than it is lost by the leaves, and Ca moves to all tissues, including those with a low potential for transpiration. Therefore, tipburn will also increase in conditions with lower root pressure, such as dry, windy conditions, high soil salinity, and poor root health (Collier and Tibbitts 1982;Cresswell 1991).…”

Section: Introductionmentioning

confidence: 99%

Genetic variation, genotype × environment interaction, and selection for tipburn resistance in lettuce in multi-environments

Jenni

Hayes

2009

Euphytica

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Tipburn is a calcium related and environmentally induced physiological disorder causing economic damage in all lettuce (Lactuca sativa L.) production regions. The objectives of this research were to determine (1) the genetic variation for tipburn incidence, (2) the genotype (G) 9 environment (E) interaction (GE) for tipburn incidence, and (3) the efficiency of field selection for tipburn resistance. Tipburn incidence was recorded over 2 years in Salinas, CA, and Yuma, AZ, for 55 romaine, crisphead, green leaf, and red leaf type cultivars, and over 3 years in Quebec for 15 romaine cultivars. Analysis revealed that G, E, and GE affected tipburn incidence, including crossover interactions that were not repeatable over years. This indicates that cultivar/ breeding line evaluations should be based on mean performance and stability over multiple environments. Among lettuce types, only crisphead had significant genetic variability for tipburn resistance, reflecting the greater breeding effort applied to this type compared romaine, green and red leaf types.Analysis of a dataset with five romaine cultivars in eight environments in California, Arizona, and Quebec for 2 years revealed that Yuma in 2006 and Saint-Blaise in 2005 were highly correlated (r = 0.923, P \ 0.05), and were the most discriminating and most representative environments for tipburn evaluation. Single plant selection for tipburn resistance in three F 2 romaine populations was ineffective. Further, the degree of head closure was significantly associated with tipburn incidence. Identification and selection of morphological characters associated with resistance in conjunction with direct selection against tipburn may be an effective method for genetic improvement of tipburn resistance.

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“…Everaarts & Blom-Zandstra (2001) reported that because of the absence of transpiration of the inner leaves of cabbage, Ca transport to the interior of the head is exclusively a result of flow pressure from the roots, or of the sink effect of the meristem during the night. This Catransport effect mainly at night was noted by Cresswell (1991), who recommended applications of calcium nitrate at night to reduce tipburn in lettuce.…”

Section: Discussionmentioning

confidence: 99%

Row covers for quality improvement of Chinese cabbage(Brassica rapasubsp.Pekinensis)

Hernández¹,

Soriano²,

Morales³

et al. 2004

New Zealand Journal of Crop and Horticultural Science

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Row covers of polypropylene sheeting have been studied in relation to the quality in Chinese cabbage (Brassica rapa subsp. Pekinensis 'Nagaoka 50') for 3 years (1999, 2000, and 2001) in the area of Granada, Spain, under a Mediterranean continental temperate climate, on 55-day cycles with transplanting in mid March. The mean commercial yield for the 3 years was 11.9 kg m -2 under row covers, but only 2.1 kg m -2 in open air, owing primarily to the important number of non-commercial cabbages. The cabbages grown in the open air were exposed to lower temperatures than under covers and showed a higher number of plants with bolting and plants lost in the field. The better thermal regime under the covers and the least vapour pressure deficit favoured heading, reducing the number of malformed cabbages. The foliar calcium (Ca) content in the outer leaves was significantly greater in the open air than under the row cover, whereas the reverse was true in the inner leaves. These lower Ca contents in the inner leaves of the open air plants, encouraged tipburn. The use of the row cover constitutes a lowcost technique to improve open air spring cultivation of this leafy vegetable in this type of Mediterranean continental climate.

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Effect of lowering nutrient solution concentration at night on leaf calcium levels and the incidence of tipburn in lettuce (Var. Gloria)

Cited by 15 publications

References 23 publications

Tipburn in salt-affected lettuce (Lactuca sativa L.) plants results from local oxidative stress

Tipburn in salt-affected lettuce (Lactuca sativa L.) plants results from local oxidative stress

Genetic variation, genotype × environment interaction, and selection for tipburn resistance in lettuce in multi-environments

Row covers for quality improvement of Chinese cabbage(Brassica rapasubsp.Pekinensis)

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