Formirovanie osnovnykh elementov produktivnosti sortov pshenitsy ozimoj v zavisimosti ot srokov seva i norm vyseva v usloviykh yuzhnoj stepi Ukrainy | Formation of basic yield components of the winter wheat varieties depending on the planting dates and seeding rates under conditions of the southern steppe of Ukraine
2015
Korkhova, M., Mykolayiv National Agrarian University, Mykolayiv (Ukraine)
The influence of sowing dates and seeding rates on stem and spike productivity was studied in modern winter wheat varieties(Podolyanka, Kolchuga, Kosovyca, Natalka and Blagodarka Odesskaya) under conditions of the southern steppe of Ukraine.It was found that the number of spike-bearing stems per unit area and grain weight per spike have a dominant role for the yield of this crop. The maximum value related to the number of productive stems were recorded by the plants sown on 30 of September with a seeding rate of 5 million pcs/ha. Spike productivity of all varieties was higher when the sowing was done at late dates with a seeding rate of 3 million pcs/ha.
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