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MAS 300B

Active

Zea mays L. Maize · Agricultural · bred by MAS SEEDS

also searched as: мас 300б

Variety description

10 August 2026

The hybrid belongs to the mid-season maturity group and possesses rapid early growth vigor. The plants are tall and voluminous, with good foliage and dent-type grain. The flexible-type ear has about 20 rows of grain, the average thousand kernel weight is 300 grams.

The plant possesses the Stay Green property, which allows the leaves to maintain green coloration for a long time at the end of the vegetation period. The hybrid is characterized by good resistance to lodging, as well as tolerance to stalk fusarium, ear fusarium, and helminthosporiosis.

Sources6
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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.

IS FI NO SE EE IE GB DK LV LT NL DE PL BY PT ES FR BE CZ SK UA RU LU CH AT HU MD IT SI HR RS RO MT GR BG CY
QM

active no record

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

Parties

Breeder
MAS SEEDS 2 463 Developed the variety
Applicant
MAS SEEDS 2 463 Submitted the application to the register
Rights holder
MAS SEEDS 2 463 Holds the rights to the variety
Maintainer
MAS SEEDS 2 463 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

    № 019490_A 019490

    Application
    15 January 2018
    Registration
    16 January 2020
  • UA Ukraine Active

    № 19009076

    Application
    1 October 2019
    Registration
    15 December 2021

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 MAS 283VI, MAS 285B, MAS 28C, MAS 28WX, MAS 29 CR, MAS 29H, MAS 29N, MAS 29P, MAS 29VI, MAS 30 K, MAS.30358, MAS 308 A, MAS 30A, MAS 314P, MAS 31D, MAS 31R, MAS 325A, MAS 32CR, MAS 32F, MAS 32P

Discussion: MAS 300B

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