Abstract
Seed coat color grading conjecture is also known as Pravdin’s conjecture. To verify the conjecture, we established a long-term field experiment. This data set included unique empirical data of Scots pine (Pinus sylvestris L.) container-grown seedlings produced from different seed color grades, outplanted on a post fire site in the Voronezh region, Russia. Variables were provided for 10 rows of 90 samples in each row. These data contribute to our understanding of seed germination and seedlings growth dynamics from size and color gradings of seeds. This structure is the future basis of the Forest Reproductive Material Library (FRMLib) and will be used for assisted migration and forest seed transfer.
Highlights
The Pravdin’s conjecture is a significant difference in the “morphology of chromosomes in karyotypes of forest crops, depending on the geographical location and seed coat color” [1]. This hypothesis is the basis of the project “Development of forest seeds production with the specified characteristics” [2]
The project goal was the improvement of forest seed production for direct, both ground and aerial seeding [3,4], as well as storage, by devising a technology and designing technical means for qualitative and quantitative grading of seed
An increase in the competitiveness of forest seed by improvement of quality attributes was one of the key steps in the development of the forest complex of Russia, set out in the Strategy [7]. This assumed active interaction of private forest users with producers of forest seed that was consistent with the Russian forest legislation
Summary
The Pravdin’s conjecture is a significant difference in the “morphology of chromosomes in karyotypes of forest crops, depending on the geographical location and seed coat color” [1] This hypothesis is the basis of the project “Development of forest seeds production with the specified characteristics” [2]. An increase in the competitiveness of forest seed by improvement of quality attributes was one of the key steps in the development of the forest complex of Russia, set out in the Strategy [7]. This assumed active interaction of private forest users (and/or owners) with producers of forest seed that was consistent with the Russian forest legislation. The results showed a significant statistical difference in seed germination and the seedlings growth between groups produced from seeds with a different size and coat color
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