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SUM 305

Active

Zea mays L. Maize · Agricultural · bred by Saaten Union Romania, RO

also searched as: сум 305

Variety description

10 August 2026

The hybrid belongs to the FAO 370 maturity group with a growing season of 120 to 125 days. The plant features vigorous development and a well-developed leaf canopy, characterized by medium height and medium-high ear placement.

The variety has high resistance to stalk breakage and lodging. It exhibits tolerance to drought, heat, and low spring temperatures, as well as good resistance to common smut and stalk Fusarium. The hybrid is characterized by a pronounced “stay green” effect and a high rate of grain moisture loss.

Intended for intensive cultivation technologies in regions with a sum of active temperatures from 1200°C. The recommended planting density is 55,000–65,000 seeds per hectare for dryland farming and 65,000–70,000 seeds per hectare under irrigation.

Sources7
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Countries of admission

3 jurisdictions

Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.

QM

active terminated no record

Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.

Also known as

breeder code SUM305

A single variety may be registered in different countries under different names. All records are consolidated into one profile based on the breeder's code—an internal number that is identical for the variety across all registries.

  • SUM 305 primary QM, RS
  • SUM305 IT, QM, UA

The primary name shown is the one under which the variety is registered in the largest number of jurisdictions. Search finds the variety by any of its names.

Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Breeder
Saaten Union Romania, RO 23 Developed the variety
Applicant
SAATEN UNION Romania Srl. 74 Submitted the application to the register
Rights holder
SAATEN UNION Romania Srl. 74 Holds the rights to the variety
Maintainer
Saaten Union Romania, RO 23 Responsible for variety maintenance

Admission to trade

The variety is listed in the national registry — its seeds are authorized for sale in this country.

  • IT Italy Active

    № 014274_A 014274

    Application
    10 January 2011
    Registration
    15 February 2013
  • UA Ukraine Terminated

    № 13009216

    Application
    2 December 2013
    Registration
    16 March 2017
    Terminated
    12 September 2025
  • RS Serbia Active

    № 320-04-1748/2014-11

    Application
    12 March 2014
    Registration
    8 April 2016

Plant breeders' rights

The right is granted for a limited term: propagation of the variety requires a license from the rights holder.

Ukraine № 13009216
Terminated
  1. Application filed 2 December 2013
  2. Registered
  3. Entry closed 14 January 2022

Records are sourced from official registry publications. Data sources and legal status

Found an error in the record?

The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.

This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources

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Nearby in the species list SUM 0243, SUM 0246, SUM 0307, SUM 0307/ZUM 0307, SUM 1052, SUM 1088, SUM 1093, SUM 1467, SUM 1802, SUM 1884, SUM 330, SUM 405, SUM 420, SUM 490, SUM1187, SUM1783, SUM1786, SUM402, Sumania, Sumaris

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