A study of cumulative tomato yield for fresh market: Characterization and classification of different cultivars

被引:0
|
作者
Miccolis, V [1 ]
Monteleone, M [1 ]
Candido, V [1 ]
机构
[1] Univ Basilicata, Dipartimento Prod Vegetale, I-85100 Potenza, Italy
来源
SECOND INTERNATIONAL SYMPOSIUM ON MODELS FOR PLANT GROWTH, ENVIRONMENTAL CONTROL AND FARM MANAGEMENT IN PROTECTED CULTIVATION | 1998年 / 456期
关键词
Richards' equation; ripening process; harvest scheduling; fuzzy clustering; factorial analysis;
D O I
10.17660/ActaHortic.1998.456.7
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The time-course of the cumulative yield of tomato fruits with reference to 23 commercial cultivars has been studied in a three-year trial in the south of Italy. The general pattern of fruits cumulative yield over time was suitably interpreted by an empirical function; its coefficients and other derived parameters allow to gain useful information on the cultivars' productive behaviour and constitute a comprehensive data set in order to obtain a survey of the available tomato cultivars for fresh market. All these parameters have a simple and clear mathematical formulation. In order to perform a classification of the numerous cultivars involved in the analysis a "fuzzy" clustering procedure was set up. A factorial analysis, furthermore, allowed a simplification of the data set, reducing its underlying "dimensions".
引用
收藏
页码:73 / 80
页数:8
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