2010
DOI: 10.1007/s11099-010-0003-x
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Modeling individual leaf area of rose (Rosa hybrida L.) based on leaf length and width measurement

Abstract: Accurate and nondestructive methods to determine individual leaf areas of plants are a useful tool in physiological and agronomic research. Determining the individual leaf area (LA) of rose (Rosa hybrida L.) involves measurements of leaf parameters such as length (L) and width (W), or some combinations of these parameters. Two-year investigation was carried out during 2007 (on thirteen cultivars) and 2008 (on one cultivar) under greenhouse conditions, respectively, to test whether a model could be developed to… Show more

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Cited by 82 publications
(97 citation statements)
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“…The final model was selected based on the combination of the highest r 2 to a level of significance of 5%, the lowest MSE, the lowest RMSE, the lowest PRESS, and when the PRESS values are reasonably close to SSE. In addition, for two-dimensional models, involving LW and L 2 W 2 , the variance inflation factor (VIF) and the tolerance value (T) as stated by ROUPHAEL et al (2010) and SOUZA et al (2015) were used to test the collinearity. Models were generated individually for each hybrid (520 leaves per hybrid) and data from both hybrids were integrated to determine unique models with greater quantity of leaves (1120 leaves).…”
Section: Methodsmentioning
confidence: 99%
“…The final model was selected based on the combination of the highest r 2 to a level of significance of 5%, the lowest MSE, the lowest RMSE, the lowest PRESS, and when the PRESS values are reasonably close to SSE. In addition, for two-dimensional models, involving LW and L 2 W 2 , the variance inflation factor (VIF) and the tolerance value (T) as stated by ROUPHAEL et al (2010) and SOUZA et al (2015) were used to test the collinearity. Models were generated individually for each hybrid (520 leaves per hybrid) and data from both hybrids were integrated to determine unique models with greater quantity of leaves (1120 leaves).…”
Section: Methodsmentioning
confidence: 99%
“…Direct methods are more accurate but have the disadvantages of being very time-consuming, not user-friendly, and having constraints regarding equipment acquisition, price, and operation [4]. Moreover, direct methods can be destructive, not allowing successive measurements of LA [5].…”
Section: Introductionmentioning
confidence: 99%
“…In 1911, scientists suggested for the first time estimating plant LA through its relation with allometric leaf measurements, using the width and length of the leaf [9]. Since then, this method has been applied to different crops such as tomatoes and cucumbers [10], grapevines [11], peppers [12], and soybeans [13], as well as to fruit trees, such as hazelnut [14], and to ornamental crops such as anthurium [15], begonia [16], and cut roses [1,5]. According to Zhang and Liu [16], this indirect and non-destructive approach can provide precise and in situ LA estimations.…”
Section: Introductionmentioning
confidence: 99%
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