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| 581.5:631.86(478) (1) |
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 SM ISO690:2012GLADCAIA, Alla, CHEPTINARI, Valeria, NASTAS, Tudor. Influence of nectariferous plants on maintaining the natural balance in tomato field agrocenoses. In: Revista Botanică, 2015, nr. 1(10), pp. 110-114. ISSN 1857-2367. |
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| Revista Botanică | ||||||
| Numărul 1(10) / 2015 / ISSN 1857-2367 /ISSNe 2587-3814 | ||||||
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| CZU: 581.5:631.86(478) | ||||||
| Pag. 110-114 | ||||||
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The results of our observation indicate that the sequence of flowering periods of selected nectariferous plants f. Apiaceae (Coriandrum sativum L.; Anethum graveolens L. and Foeniculum vulgare Mill) is a precondition for creation of a blossoming conveyer for the purpose of supporting the vital activity of entomophages from early June to late August. The bloom of A. graveolens had a greatest impact on attracting of entomophagous f. Coccinellidae. Field observations in 2013 indicated that the optimal correlation of the predator-prey (Coccinellidae: Aphididae) was registered in June, within the limits of 50 m of the strip of nectariferous plants (1:66,4), which coincided with the period of A. graveolens full fl owering and the beginning of C. sativum flowering. It has been found that the population density of the pest Heliothis armigera was higher on the edge of tomato field near the corn fields, while in the vicinity of the strip of nectariferous plants the population density of the pest was signifi cantly reduced. |
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