Valutazione dellaSalvia desoleanaAtzei e Picci in coltivazione

TheSalvia desoleanaAtzei and Picci is one endemic species of the Sardinia; for many years it have been
considered a variety of theSalvia sclareaL. Recent tests confirm the effectiveness of the extracts ofSalvia
desoleana, in the defense of the plants in biological agriculture. The experiment has been carried out on
plants in cultivation from 2 years on the experimental field of the Department, situated near to Sassari (40°43' N; 080°34' E), 80 m over see level. The experimental field interests a area of 192 m2, cultivated, in the
two previous years, to alfalfa. The plants have been transplanted in field during the first decade of April 2002
for a final density of 1,4 plants for m2It has not been watered during the cultivation. Weeds have been
controlled by hand. It has not been necessary to take phytosanitary controI. It has not been made fertilization,
being sufficient the nitrogen contribution supplied from the cultivation of medical grass. The plants in
experimental field caught up to the maximum development an average height of 144 + 18.81 cm, with
variable values from a minimum of 116 cm to a maximum of 175 cm. The flowering begun in the second
decade of May 2005, after approximately 231 days from the autumnal awakening. An average number of
complete inflorescenze to 46 + 13.29 has been found. Production of green mass of 1203.07 + 573.55 grams
for plant has been yield; correspondent to approximately 406 + 218.57 grams of dry matter. The production
of the single plants varied from a maximum of 885.8 g of the plant n. 6, to 125.6 g collected from the plant n.
5. The average production in essential oils has been 0.47%. The average seed production has been of 3.3 +
1,87 g for plant. The maximum weight of thousand seeds has been of 5.85 for plant n. 2.