ARTICOLE DE FOND

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Buletinul AŞM. Ştiinţele vieţii. Nr. 2(317) 2012 Abstracts UDC: 616.33-008:604 THE INFLUENCE OF THE BIOLOGICALLY ACTIVE FOOD ADDITIVE „PRE- SAN” ON THE LEVEL OF SOME INTESTINAL MICROBIOCENOSIS REPRESEN- TATIVES. Strutinschi T., Timoşco Maria, Bogdan Victoria. // Buletinul Academiei de Ştiinţe a Moldovei. Ştiinţele vieţii. 2012, No 2 (317), p. 47-53. A quantitative level of the intestinal bacteriocenosis representatives has been studied in laboratory animals to show a stimulatory infl uence of the biologically active food additive „Presan”, developed at the Institute of Physiology and Sanocreatology, Academy of Sciences of Moldova, on the microorganisms of the imperative genera (Bifi dobacterium and Lactobacillus) and an inhibitory infl uence on the facultative or conditional pathogenic genera Escherichia, Proteus and the family Streptococcaceae. The additive tested is recommended for both separate and combined utilization with the representatives of said imperative or prebiotic genera to maintain intestinal microbiocenosis at an optimal level. 16 references, 5 fi gures Key words: Biologically active food additive - microbiocenosis - prebiotic action - imperative bacteria – lactic bacteriа. Received July 16, 2012 UDC: 581.11:631.524:632.112+632.032 MORPHOGENETIC PECULIARITIES OF PHASEOLUS PLANT ADAPTATION TO DROUGHT. Ştefîrţă Anastasia, Brânză Lilia, Melenciuc M., Buceaceaia Svetlana. // Buletinul Academiei de Ştiinţe a Moldovei. Ştiinţele vieţii. 2012, No 2 (317), p. 53-64. This paper is an analysis of the morphogenetic peculiarities of plants from the species Phaseolus lunatus L., Phaseolus acutifolius Gray, and Ph. vulgaris L. correlated with preadaptation, adaptation, and resistance to drought. The plant response has been shown to vary with the organs, generative ones are highly sensitive and exposed to damages. Changes occur in the assimilation/consumption organ ratio against a total decrease in the weight under moisture defi - ciency. Predominant damage of generative organ by drought during bud formation and fl owering has a negative impact on plant productivity and grain yields. 26 references, 2 fi gures, 2 tables Key words: preadaptation – adaptation – resistance – Phaseolus lunatus L. – Phaseolus acutifolius Gray – Ph. vulgaris L. – morphogenetic particular features. Received April 20, 2012 UDC: 575.1+635.64 REACTION OF PARENTAL FORMS AND RECIPROCAL F 1 HY- BRIDS OF TOMATOES TO ALTERNARIA SPP. Grigorcea Sofi a, Lupaşcu Galina, Mihnea Nadejda. // Buletinul Academiei de Ştiinţe a Moldovei. Ştiinţele vieţii. 2012, No 2 (317), p. 64-70. The paper reports the data on the reaction of tomato parental cultivars and reciprocal F 1 hybrids to Alternaria spp. culture fi ltrates. The reaction has been found to manifest differently at seed germination, root and stem growth. This is the genotype that has the highest share in the reaction of tomato reciprocal F 1 hybrids and parental cultivars to the Alternaria spp. culture fi ltrate action. The maternal factor has an important role in the formation of the quantitative trait phenotype, allelic interaction manifestation, the type and degree of the heritability of tomato resistance to Alternaria spp. pathogens. 7 references, 2 fi gures, 2 tables. Key words: tomato - culture fi ltrates – Alternaria – reaction - parental forms - reciprocal hybrids. Received April 10, 2012 194
Buletinul AŞM. Ştiinţele vieţii. Nr. 2 (317) 2012 Abstracts UDC: 633.8:631.527 SALVIA OFFICINALIS L. GENOTYPES WITH DIFFERENT ESSENTIAL OIL CONTENT AND COMPOSITION. Gonceariuc Maria, Kulcitki Veaceslav, Balmuş Zinaida, Gonceariuc Natalia, Sîrbu Tatiana, Cuzmina Elvira. // Buletinul Academiei de Ştiinţe a Moldovei. Ştiinţele vieţii. 2012, No 2 (317), p. 70-75. This article presents the results of the studies on essential oil content, qualitative and quantitative composition in Salvia offi cinalis L. genotypes cultivated in the Republic of Moldova. The essential oil content in fi ve Salvia offi cinalis L. genotypes varies with the genotype and harvest phase in both leaved shoots, leaves and infl orescences. The highest content of essential oil was registered in the material harvested following fl ower and seed fall and made 1.455-1.823% (dry matter) in leaved shoots and 1.408-1.749% (dry matter) in leaves. A GC-MS analysis revealed that 14-23 components were identifi ed in the essential oil extracted from leaved shoots and 17-25 components from leaves. The major components are represented by monoterpene ketones: α-thujone (21.2-38.8), β-thujone (5.877-16.201%), camphor (17.5-24.6%), followed by eucalyptol (6.47- 11.2%). All the genotypes belong to the thujone /camphor /eucalyptol chemotype. 17 references, 2 tables. Key words: Salvia offi cinalis - essential oil – composition. Received April 12, 2012 UDC: 635.64:[631.524.85:581.1.036] (478) GENETIC HETEROGENEITY OF TOMATO MUTANT FORMS FOR THE MALE GAMETOPHYTE RESISTANCE TO HEAT, DROUGHT AND COLD. Makovei M. // Buletinul Academiei de Ştiinţe a Moldovei. Ştiinţele vieţii. 2012, No 2 (317), p. 76-84. This paper presents the assessment results on tomato mutant collection resistance to a range of stressful environmental factors (heat, drought, cold) at the stage of mature male gametophyte. Mutant lines with different levels and types of resistance have been identifi ed. It is shown that the resistance to high and low temperatures, as well as to drought is determined by different genetic systems, which indicates the polygenic nature of these symptoms. Genotypes have been identifi ed that are promising for breeding and highly resistant to all the stress factors studied. 16 references, 1 table. Key words: genetic collection - mutant tomato forms - evaluation - resistance - pollen - pollen tube length -heterogeneity - high and low temperature - drought. Received March 30, 2012 UDC: 633.8:631.527 MANIFESTATION OF HETEROSIS IN F 1 POLYCROSS HYBRID OF LAVANDULA ANGUSTIFOLIA MIIL. Butnaraş Violeta. // Buletinul Academiei de Ştiinţe a Moldovei. Ştiinţele vieţii. 2012, No 2 (317), p. 84-91. In this study, one hundred and forty F 1 polycross hybrids of Lavandula angustifolia were evaluated and ten perspective hybrids were selected, that differ in the value of quantitative characters, the vegetation period, the corolla color etc. The heterosis effect was evaluated for these characters relative to the maternal forms. The plant height of the perspective polycross hybrids is 48-67 cm, the infl orescence length varies between 24.0 cm and 35.3 cm, and the length of fl oral ear between 4.032% and 5.165% (dry matter). The heterosis effect manifested in the F 1 polycross hybrids for the “plant height” recorded the values varying between +1.0% and +36.1%; “the number of fl oral stems” between +11.4 and +10-9,8%, and “the length of infl orescence” between 1.3% and 82.0%. The manifestation of the heterosis effect for the character of “the essential oil content” in the lavender hybrids is the highest and varies in the limits of 195
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Microbiologia şi Biotehnologia Bul
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ARTICOLE DE FOND

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