Turchenyak S. Formation peculiarities of sugar beet seeds during the growing it in a direct way according to the sowing norms and the planting terms.

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0409U000899

Applicant for

Specialization

  • 06.01.14 - Насінництво

17-02-2009

Specialized Academic Board

Д.26.360.01

Essay

It is discovered that according to the planting on the 25 and the 30 of August there is no essential difference for sugar content in root crops before winter during all sowing norms. It is determined the direct proportion of correlation to dry substance in root crops and leaves with the planting terms and the sowing norms of basic seeds. It is proved that during planting direct seed bearers on the 25 and the 30 of August according to all sowing norms the safety of plants is high. This shows that in these terms it is reasonable to plant with lowered sowing norms. According the sowing on the 25 and the 30 of August with the sowing norm 20…25 units per running meter of row the crop capacity of hybrid seeds is the highest. It is not established the essential difference according to the characteristics of sowing qualities of hybrid seeds (energy of sprouting, germination, monogermity and good quality) during the direct growing according to the norms and sowing terms. It is established that during direct method of growing hybrid seeds on sprouts of the first and the second order are formed 93,6% of seeds of sowing fractions (3,5- 4,5 and 4,5 - 5,5 mm) that are characterized by high quality indicator. On the sprouts of the third order are formed only 1,8% of seeds with high good quality and monogermity but not all are conditioned according to the germination. On the central sprout are formed 4,6% of seeds with high germination and good quality but low monogermity.

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