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- aggregation classification "P1".
- aggregation creator B74967.
- aggregation creator B74968.
- aggregation creator B74969.
- aggregation creator person.
- aggregation date "2012".
- aggregation format "application/pdf".
- aggregation hasFormat 2915217.bibtex.
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- aggregation hasFormat 2915217.dc.
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- aggregation hasFormat 2915217.doc.
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- aggregation isPartOf urn:isbn:9789066057241.
- aggregation isPartOf urn:issn:0567-7572.
- aggregation language "eng".
- aggregation publisher "International Society for Horticultural Science (ISHS)".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Biology and Life Sciences".
- aggregation title "Evaluation of a sensor for online measurements of stem diameter variations of leafy vegetables".
- aggregation abstract "Continuous monitoring of leafy vegetables in greenhouses could be of great assistance to growers to obtain optimal plant growth with little or no basal rotting and no marginal necrosis or tipburn. However, continuous measurements of plant responses have remained mainly restricted to leaf temperature for monitoring purposes for leafy vegetables. Leaf temperature measurements can give some information about the plant transpiration rate, but direct information about the plant water status remains fairly limited, and no information at all is provided about the plant growth rate. The present contribution evaluated the use of a device which allowed online measurements of the diameter (SD) of the very short and hidden stem of butterhead lettuce (Lactuca sativa L. var. capitata). We were able to measure SD variations during the whole growing cycle in an automated way, with the exception of a short period just after transplantation. No significant sensor pressure effect on growth was observed, and the recorded SD variations showed a good correlation with manual measurements on the control plants. Moreover, we found a strong correlation between SD and plant fresh weight. However, the relationship SD versus fresh weight was season-dependent. Additionally, the sensor was able to reveal stem shrinkage due to drought stress, which means these measurements can provide instantaneous information on the actual plant water status.".
- aggregation authorList BK191073.
- aggregation endPage "579".
- aggregation startPage "571".
- aggregation volume "927".
- aggregation aggregates 2915222.
- aggregation isDescribedBy 2915217.
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