Sowing value of rye and oats seeds stored for two years in 15-ton containers
Włodzimierz Nowicki
Instytut Hodowli i Aklimatyzacji Roślin, Zakład Biologii i Przechowalnictwa Nasion - Wrocław (Portugal)
Alfons Ugarynko
Instytut Hodowli i Aklimatyzacji Roślin, Zakład Biologii i Przechowalnictwa Nasion - Wrocław (Poland)
Abstract
Presented are the experimental results obtained in studies on the behavior of rye seeds harvested in the years 1972 and 1973 and of oats seeds harvested in 1971-1973. The initial moisture of the grain ranged from 13.2% to 15.0% falling after drying to 9.3-12.6%. The seeds were stored for 25-30 months in metal cylindrical containers 260 cm high and 250 cm in diameter. After storage, the seed having then a germination capacity ranging from 52% to 94% was tested for its yielding capacity. The experiments were conducted on plots arranged according to a complete randomized plot design. The amount of the seed material sown on each plot was calculated on the basis of „pure live seed" weight.
Both in rye and oats the storage caused a decrease of the seed germinability. At the 14.8-15.0% level of seed moisture, a degradation of rye and oats seed was already observed after 10 months of storage, progressing with the passing of time. The sowing value depended both on the year of harvest and the seed lot. For instance, the oats seed harvested in 1972 of 13.2% moisture displayed a decrease of germinability after 25 months of storage, while the germinability of the oats seed from the harvest in 1973, despite a markedly higher moisture of 14.1% remained unchanged after storage for the same lapse of time. An analogous interdependence could be observed even earlier during the storage of rye seed being already noticeable after 20 months storage, in a mare pronounced degree.
The field plot experiments did not give evidence of any correlation between the germinability and yielding capacity of the seed both in rye and oats.
Keywords:
Secale cereale, seed science, rye, oat, Avena fatua L.Authors
Włodzimierz NowickiInstytut Hodowli i Aklimatyzacji Roślin, Zakład Biologii i Przechowalnictwa Nasion - Wrocław Portugal
Authors
Alfons UgarynkoInstytut Hodowli i Aklimatyzacji Roślin, Zakład Biologii i Przechowalnictwa Nasion - Wrocław Poland
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Copyright (c) 1980 Włodzimierz Nowicki, Alfons Ugarynko
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