The effects of day and night humidity on yield and quality of glasshouse cucumbers

Barker, J.; Welles, G.W.H.; Uffelen, J. A. M. van

doi:10.1080/14620316.1987.11515793

Cited by 33 publications

(15 citation statements)

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“…Decline in yield of lentil due to increase in temperature was well documented (Dhuppar et al, 2012). Atmospheric moisture content had a significant negative effect on crop yield as indicated by the results of correlation studies which showed that vapour pressure deficit adversely effected crop yield and the same result was observed previously in cucumber (Barker et al, 1987). Vapour pressure deficit was lower when the relative humidity of the atmosphere was comparatively higher.…”

Section: Air Temperatures During Vegetative Phase Played Positive Rolsupporting

confidence: 71%

Study on the Interactions Between Lathyrus (Lathyrus sativus L.) and Agro-climatic Factors to Generate Weather Based Yield Forecasting Models

Ghosh¹,

Khan²

2019

IJBSM

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Section: Air Temperatures During Vegetative Phase Played Positive Rolsupporting

confidence: 71%

Study on the Interactions Between Lathyrus (Lathyrus sativus L.) and Agro-climatic Factors to Generate Weather Based Yield Forecasting Models

Ghosh¹,

Khan²

2019

IJBSM

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“…Most of the literature concerning the effects of night-time humidity assumed that high night-time humidity prevents transpiration during the night, limiting concurrent Ca distribution. Dry nights, therefore, promote Ca transport as suggested by others (Bakker et al, 1987). However, as pointed out earlier, sap transport during a dry night was minimal Downloaded by [Umeå University Library] at 04:05 19 November 2014 in the present experiment when measured with a sap-flow gauge.…”

Section: Resultscontrasting

confidence: 38%

Influence of night humidity on the distribution of calcium and sap flow in tomato plants

Choi

Chung

Lee

1999

Journal of Plant Nutrition

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Dry or humid night conditions were imposed to determine the distribution of calcium (Ca) and sap flow in tomato (Lycopersicon esculentum Mill.) plants. Radioisotopic 45 Ca was fed to assess the Ca distribution in a tomato plant treated with different night humidities on different branches. The amount of sap transported from root to shoot was measured by a heat-balance sap-flow gauge. More than 95% of the sap was transported to the shoots during the daytime for 12 hours, while only negligible amount were transported at night. High nigh-time humidity considerably enhanced sap flow during the night due presumably to generated root pressure. However, high night-time humidity reduced the distribution of 45 Ca compared to low night-time humidity imposed in tomato branches.

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“…Several researchers have studied the effect of humidity on fruit growth and quality in greenhouses. In general, higher humidity results in higher fruit growth or crop yield, as reported for cucumbers (Bakker et al 1987), sweet peppers (Bakker 1989), and tomatoes (Romero-Aranda et al 2002). Romero-Aranda et al (2002) reported an improved yield of tomato when misting was used in a greenhouse under non-saline and particularly, under saline conditions.…”

Section: Introductionmentioning

confidence: 67%

Role of transpiration from fruits in phloem transport and fruit growth in tomato fruits

Kawabata

Sasaki

Sakiyama

2005

Physiologia Plantarum

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Sink activity of fruits had been suggested to vary depending on transpiration of fruits. In this study, the effect of transpiration on dry matter accumulation was evaluated in tomato (Lycopersicon esculentum Mill.). Fruits of cv. Saturn at 14 days after anthesis were enclosed in chambers and aerated with dried (<15% RH) or moistened (>90% RH) air. These treatments did not cause any significant differences in fruit fresh weight, dry weight, percentage of dry matter, and concentration of soluble sugars within 5 days of the treatment, or the import of 14C within 18 h after the application of 14CO2 to the source leaves. However, displacement transducer measurement of each fruit showed a 40% reduction in growth rate in response to exchange of moistened air with dried air. When fruits of cv. Momotaro were exposed to transpiration treatments from the beginning of visible fruit enlargement until the ripening stage, the fruits exhibited 20% reduction in growth and lower accumulation of dry matter at harvest following treatment with dried air. These results suggested that higher transpiration reduced both water accumulation and dry matter accumulation. In contrast, when fruit growth was mechanically restricted by enclosing the fruits in a chamber packed with glass beads, and dried or moistened air was passed through the spaces between the glass beads, fruits exhibited higher dry matter accumulation under dried air treatment conditions. The results show that only under artificial conditions would transpiration of fruits potentially drive carbohydrate transport; it does not serve as a limiting step of carbohydrate transport to tomato fruits under normal circumstances.

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The effects of day and night humidity on yield and quality of glasshouse cucumbers

Cited by 33 publications

References 1 publication

Study on the Interactions Between Lathyrus (Lathyrus sativus L.) and Agro-climatic Factors to Generate Weather Based Yield Forecasting Models

Study on the Interactions Between Lathyrus (Lathyrus sativus L.) and Agro-climatic Factors to Generate Weather Based Yield Forecasting Models

Influence of night humidity on the distribution of calcium and sap flow in tomato plants

Role of transpiration from fruits in phloem transport and fruit growth in tomato fruits

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