Abstract
The content of monosaccharides in flower nectar, nectar productivity, as well as the viability of pollen of hybrids Brassica napus L. Kuga, Dk Expression, Emerald (Smaragd) and Abacus were studied.
 It was found that during the first and second pollen crops the most intensive germination of pollen grains occurred in Emerald (Smarahd) (75 % and 87 %, respectively), and Kuha (80 % and 90 %, respectively) hybrids. In crops of other studied hybrids - Dekalb Expression, Abacus, PT 264 - inhomogeneous pollen grains of different sizes were observed, the percentage of pollen germination was lower. It was found that the average number of monosaccharides is much higher in hybrids Abacus and Kuha (27.5 and 36 mg / 30 flowers, respectively). Kuha (156.8 kg) and Emerald (Smaragd) (81.4 kg) hybrids have the highest nectar fertility. Analysis of monosaccharides content in flower nectar, nectar fertility and pollen viability, as well as the correlation of these indicators allows to predict in the future among the studied hybrids higher productivity of hybrids Kuha and Emerald (Smaragd).
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Schedule a callMore From: Scientific Issue Ternopil Volodymyr Hnatiuk National Pedagogical University. Series: Biology
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