Brest Regional Agricultural Experimental Station of the NAS of Belarus offers consumers and producers of agricultural products a planting material of Clonal apple rootstock PB-4 under a manufacturing agreement and is looking for partners interested in a distribution services agreement.

The PB-4 Dwarf apple rootstock has been developed and introduced into production. It was obtained from open pollination of PB (Budagovskii Paradizki). It is resistant to apple scab.

Characteristics and description are provided in the AI ​​Review upon request "Клоновый подвой яблони ПБ-4" here. (in Russian)

The PB-4 clonal apple rootstock is a super-dwarf, frost-resistant rootstock of Belarusian selection that ensures rapid fruiting (in the second year after planting) and is characterized by high winter hardiness. Its main characteristics include high frost resistance, a relatively weak root system requiring constant support, and fruiting in the second year.

Rootstock Type: Super-dwarf.
Growth Vigor: Ensures dwarf growth of grafted varieties.
Earliness: High; trees begin bearing fruit in the second year after planting.
Winter Hardiness: High, both for the rootstock itself and for the grafted trees. Frost Resistance: Very High.
Disease Resistance: Not susceptible to powdery mildew and relatively resistant to scab.
Root System: Shallow (no more than 40 cm), providing insufficient anchorage and making the trees unstable in the soil, requiring mandatory support.
Propagation: Average rooting score is 4.6. The average yield of standard cuttings from one bush is 8-10.
Compatibility: Good with regionalized varieties.
Planting Pattern: Recommended spacing: 4 x 0.5 m for dwarf varieties and 4 x 1.5 m for vigorous varieties.

Information is available on the Enterprise's website here. (in Russian)

It begins bearing fruit in the second year, exhibits high winter hardiness and frost resistance, and is resistant to several diseases.

In 1999, the PB-4 clonal apple rootstock was included in the State Register of Varieties and Tree and Shrub Species of the Republic of Belarus.

The RUE "Brest Regional Agricultural Experimental Station of the National Academy of Sciences of Belarus" has over 50 years of experience conducting scientific research in the following areas of agricultural activity:
- Creation of new varieties;
- Improvement of methods;
- Seed production;
- Development of new technologies.

The company's activities are aligned with the priority areas of scientific and technical activity of the Republic of Belarus and the country's innovative development objectives. The topics of scientific research and development are quite relevant and aimed primarily at meeting the needs of the Brest Region.

The main activities of the Brest Regional Agricultural Experimental Station of the National Academy of Sciences of Belarus are:
- Conducting fundamental and applied research in assigned scientific areas;
- Identifying fundamentally new paths to scientific and technological progress, implementing applied scientific research and development in priority areas of scientific and technical activity;
- Developing recommendations for the practical application of the company's scientific research results and supporting their implementation in production;
- Conducting scientific reviews of key scientific, technical, and national economic programs, innovation projects, and draft regulatory legal acts related to the company's profile, as commissioned by the leadership of the National Academy of Sciences of Belarus;
- Studying and summarizing global scientific achievements related to the company's profile and promoting their practical application;

The innovative activities of the RUE "Brest OSKHOS NAS of Belarus" include original seed production of new agricultural crop varieties and the production of fruit and berry planting material, in quantities that support planned variety renewal and variety rotation in the Brest Region, thereby directly influencing the development of variety policy in the region. The RUE "Brest OSKHOS NAS of Belarus" is the only producer of original seed material for major agricultural crops in the Brest Region.

Consumers and producers of agricultural products interested in purchasing the PB-4 clonal apple rootstock under a manufacturing agreement.

Partners interested in purchasing the PB-4 clonal apple rootstock under a distribution services agreement.