The flowering and pollination to galega orientalis lam. In the condition of Republic of Moldova
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ABABII, Vitalie, TELEUŢĂ, Alexandru. The flowering and pollination to galega orientalis lam. In the condition of Republic of Moldova. In: Conservation of plant diversity, Ed. 3, 22-24 mai 2014, Chișinău. Chișinău: Gradina Botanica (Institut), 2014, Ediția 3, pp. 72-73. ISBN 978-9975-62-370-4.
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Conservation of plant diversity
Ediția 3, 2014
Simpozionul "Conservation of plant diversity"
3, Chișinău, Moldova, 22-24 mai 2014

The flowering and pollination to galega orientalis lam. In the condition of Republic of Moldova


Pag. 72-73

Ababii Vitalie, Teleuţă Alexandru
 
Gradina Botanică (Institut) a AŞM
 
Disponibil în IBN: 18 mai 2019



Teza

Introduction The present paper presents some aspects of fl owering and pollination to Galega orientalis Lam. - the multi-annual forage crop that is characterized by ecological plasticity, potential forage production and quality high. Although the plant was introduced several years in our collection until now not been studied reproductive biology. In this context it is very important to investigate the fl owering, pollination and seed productivity. Material and methods As biological material was used plants of Galega orientalis Lam. from the fi rst to the third year of vegetation (2011 - 2013) from the collection of fodder Botanical Garden (Institute) of the ASM. Observations on the peculiarities of fl owering processes were performed by the method of Пономарев А.Н (1960). Pollinators visitation rate was studied between 700 and 2000. Results and discussions Like many other representatives of the family Fabaceae, Galega has the same specifi c type of infl orescence raceme. Flowers are zigomorfe. The average per infl orescence containing from 5 to 72 depending on the order of the sprig. For fl ower is characteristic papilonaceus corolla type with 1-2 cm in length, calyx consists of 5 sepals is gamosepal toothed. Petal color is blue - purple. Size of Corolla components are approximately: length and width banner - 13.5 ± 0.84 mm and 8.9 ± 0.88; keels - 11.8 ± 0.73 and 3.4 ± 0.44; wings - 9.3 ± 0.55 and 2.95 ± 0.15. Stamen and pistil length is 9.5 ± 0.87 mm and 8.5 ± 0.73 mm. The opening of the fl owers start at around 700 and ends at around 2100. The opening daily rhythm of fl owers is represented by a curve with maximum at between the hours of 1300 - 1500. This opening peak to fl owers corresponds to the maximum temperature and minimum humidity. In the hottest days the peak to fl owering occurs between the hours of 1100 and 1300. Temperatures that exceed 30oC decreases fl owering intensity and pollination respectively. If we refer to the Galega orientalis Lam. pollinators it was found that taxonomic composition is not very varied. All pollinating insects are part of the order Hymenoptera, family Apidae: Apis mellifera L., Bombus lucorum L., Bombus terrestris L.. Pollination of the fl owers starts at around 900 and ends at  around 2000. The maximum number of pollinated fl owers were recorded between the hours of 1200 and 1300 at 26 -27 ° C. In the days when temperatures exceed 27-28 ° C the maximum to pollinated fl owers was recorded in the fi rst half of the day until 1200. Conclusions 1. The primary factors that induce fl owering in Galega orientalis Lam. are the temperature and humidity. 2. The main pollinators of Galega are: Apis mellifera L., Bombus lucorum L.,Bombus terrestris L