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Month: April 2008

The chestnut tree

Castanea dentata Cupuliferae

For millennia, mankind has domesticated this plant genus for its numerous uses, from feeding to tanning. It originated in Asia Minor: Persia, Armenia, Transcaucasia? In any case, Romans transplanted it to Western Europe. The first chestnut groves date back to when arboriculture techniques, such as pruning, budding or grafting had been mastered. During the Middle Ages, monasteries saw to preservation and development of chestnut groves. These trees are found at 1,500-2,500 ft elevations, on acidic soils (schists, granite; chestnuts hate limestone), and below about 52° N latitude, since frost destroys the flowers. It is not known when chestnut trees were introduced in North America.

Intervista a Pierre Laszlo, maggio 2001

a cura di Cristiana Spinedi

Di origine ungherese, cresciuto fra l’Algeria e la Francia, Pierre Laszlo è stato professore di Chimica all’Università di Liegi, in Belgio, dal 1979 al 1999 e alla Scuola Politecnica di Parigi dal 1986 al 1999. È stato inoltre professore invitato alla Cornell University di New York, a Chicago, nel Kansas, nella California, a Berkeley, nel Colorado, nel Connecticut, ad Amburgo, a Losanna e a Tolosa. Nel 1982 è stato anche professore di Letteratura francese all’Università John-Hopkins di Baltimora. Fra le sue numerose pubblicazioni citiamo La découverte scientifique (1999) e Le savoir des plantes (1999). Fra i suoi riconoscimenti ricordiamo il Premio dell’Accademia delle Scienze (1981) e il Premio Maurice Pérouse della Fondation de France (1999). Attualmente, Pierre Laszlo divide la sua vita vive fra la California e il Sud della Francia.

 

Storia degli agrumi

Storia degli agrumi Usi, culture e valori dei frutti pi˜ amati del mondo

Abbondanza, ricchezza, feconditý: sono queste le immagini da sempre associate agli agrumi, i ‘pomi d’oro’, i doni generosi degli dei e della natura. Ma qual Ë la loro origine? Quali strade hanno percorso per giungere fino a noi? Pierre Laszlo si mette sulle loro tracce, seguendo la ‘pista degli agrumi’.