An Holistic Approach to Evaluate the Potential Productivity of Unconventional Crops

Eerkens, C.

doi:10.1007/978-94-009-4327-8_12

Cited by 1 publication

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“…Likewise, research on new products obtained from the chufa tubers has also been carried out quite recently, as will be dis-cussed in this article. Eerkens (1986) calculated that the production efficiency (Pey) rate of chufa amounted to 15; he thought that effective breeding could improve the yield and the Pey up to 17. He recommended that European Union entrepreneurs submit a sound holistic investment plan for the exploitation of new crops, such as the chufa, so they could obtain ample funding for their new industries using new raw materials.…”

Section: Review On Crop and Its Productmentioning

confidence: 99%

Chufa (Cyperus esculentus L. var. sativus boeck.): An unconventional crop. studies related to applications and cultivation

et al. 2000

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Cyperus esculentus L. is known as chufa, yellow nutsedge or tiger nut. lt grows wild as a weed, but also is grown as a crop; sometimes it is also called rush-nut. Although it can be found in cold regions, as Alaska (Holm et al. 1977: 125), it is considered a plant of warm areas, widespread in tropical and temperate zones around the globe (de Vries 1991). It is most troublesome in eastem and southem Africa and in North and Central America. Recently it has also spread to sorne European countries with colder climates such as the Netherlands (Rotteveel 1993;de Vries 1991), Switzerland (Gerhold 1992Schmitt 1995; Schmitt and Sahli 1992), Germany and Austria (Gerhold 1992) and Hungary (Dancza 1994). Kükenthal (1936) distinguished eight botanical varieties of Cyperus esculentus. Recently three of these varieties were rejected and only four wild varieties (esculentus, leptostachyus, macrostachyus, and hermanii) and the cultivated variety sativus are recognized today (ter Borg and Schippers 1992). This can explain the existence of two distinct groups of plants which have a similar morphology but differ widely in application and which are known by the same name: one is a weed and the other, a crop.Since ancient times the chufa tuber has been considered a foodstuff; it was an

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Section: Review On Crop and Its Productmentioning

confidence: 99%