2. Articole

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    Productivity indices in Lavandula Angustifolia mill. Varieties, sixth year of vegetation [Articol]
    (Editura USM, 2025) Butnaraș, Violeta; Balmuș, Zinaida; Cotelea, Ludmila
    The evaluation of quantitative character indices – lant height and diameter, number of flowering stems per plant, inflorescence and floral spike length, number of whorls on the floral spike, raw material yield, and essential oil content – allowed for the characterization and assessment of each lavender variety-clone. The varieties under study synthesized and accumulated an essential oil content at standard humidity (60%) exceeding 2% (Svetlana – 2.199%; Alba 7 – 2.188%), and on dry matter basis exceeding 5% (Svetlana – 5.498%; Alba 7 – 5.472%). Raw material yield varied from 3.6 t/ha to 7.7 t/ha depending on the variety, with the most productive being Svetlana (7.7 t/ha), Alba 7 (7.3 t/ha), and Favoare (6.7 t/ha). The essential oil yield in the evaluated varieties-clones ranged from 11.6 kg/t to 22.0 kg/t. The highest yields were recorded in the varieties: Svetlana (22.0), Alba 7 (21.8), and Favoare (17.1) kg of essential oil per ton of fresh inflorescences.
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    Valorificarea liniilor noi de grâu durum de toamnă ca donator de caractere valoroase
    (CEP USM, 2024-10-07) Rotari, Silvia; Gore, Andrei; Leatamborg, Svetlana
    In the result of researching after the qualitative characters (mass per 1000 grains, hectolitric mass, grain germination, percentage of glassy and the harvest of lines on 5m2 were selected 10 lines of winter durum wheat. All the studied lines showed themselves in different ways according to certain signs. The analysis of the morphological characters and the productivity of the ear, of the studied lines revealed a high variability of the number of stems, by the number of grains, their weight and mass per 1000 grains that offer us possibilities to select the genotypes of interest after these characters. As a result of studying the above-named characters, we selected a new initial material, which was used in intraspecific hybridization in order to create a new material with high productivity and resistance to environmental factors.