Peculiarities of productivity formation of the genus Salix L. representatives

Authors

DOI:

https://doi.org/10.21498/2518-1017.13.1.2017.97191

Keywords:

productivity, dry biomass, height, diameter, number of shoots, correlation relationship, cluster analysis

Abstract

Purpose. To identify the productivity of the genus Salix L. plants and study the relationship between its structural elements. Methods. Field study, laboratory analysis, analytical approach.

Results. It was found that the height of a three-year plants of species ranged from 86.0 to 775.1 cm, of hybrid forms – from 197.0 to 488.0 cm. Average diameter of three-year plants varied in the range of 19.10 to 52.94 mm (species) and from 28.04 to 49.23 mm (hybrid forms). The highest stability for complex of morphological characters was observed in bog willow samples. It was determined that among species basket willow (16.94 t/ha) and white willow (21.19 t/ha) were the most productive for dry biomass yield per 1 hectare, among hybrid forms – purple willow × basket willow (23.36 t/ha) and basket willow × bog willow (18.57 t/ha). It was established that the value of the plants productivity was characterized by moderate, significant and close correlations with the average diameter of plants, length and number of shoots of the second order.

Conclusions. A comprehensive assessment of productivity traits of three-year plants from willow collection was conducted, index of dry matter yield per 1 hectare was defined. The links between quantitative traits that characterize the contribution of some of them in productivity index were investigated. Method of cluster analysis was used to group samples for the similarity of complex agronomic characters. Basket willow and white willow as well as such hybrid forms as basket willow × bog willow and purple willow × basket willow were recommended to use as a source material for selection of samples with high productivity.

Author Biography

В. В. Баликіна, Institute of Bioenergy Crops and Sugar Beet NAAS of Ukraine

Balykina, V. V.

References

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Published

2017-03-30

How to Cite

Баликіна, В. В. (2017). Peculiarities of productivity formation of the genus Salix L. representatives. Plant Varieties Studying and Protection, 13(1), 5–11. https://doi.org/10.21498/2518-1017.13.1.2017.97191

Issue

Section

BREEDING AND SEED PRODUCTION