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R400MR

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Zea mays L. Maize · Agricultural · bred by CROOKHAM COMPANY

also searched as: р400мр

Variety description

10 August 2026

The hybrid's vegetation period is 100–103 days. The plant reaches a height of 1.8–2.1 meters, forms a strong single stem, wide dark green leaves, and one large ear. The grain has a bright orange color, the size is about 47 grains per 10 grams.

The variety possesses high resistance to common rust, northern corn leaf blight, and gray leaf spot, as well as intermediate resistance to Goss's wilt. Strong stems provide good resistance to lodging.

The hybrid is intended for the production of mushroom-type popcorn; when popped, about 80% of the grains expand in the form of balls or mushrooms, which is convenient for glaze application. The variety was previously known as Carmel Crisp.

Sources8
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Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Breeder
Crookham Company Inc. 88 Developed the variety
Applicant
Crookham Company Inc. 88 Submitted the application to the register
Rights holder
Crookham Company Inc. 88 Holds the rights to the variety
Maintainer
General Mills Brasil Alimentos Ltda 7 Responsible for variety maintenance

Admission to trade

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

  • GB United Kingdom Active

    № 157/6

    Application
    28 November 2013
    Registration
    1 June 2016

Plant breeders' rights

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

European Union № 20140058
Terminated
  1. Application filed 10 January 2014
  2. Registered 25 January 2016
  3. Entry closed 24 January 2017

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

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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 R2683ZSQGZ, R2846z, R2846ZXKLZ, R2852Z, R3086, R3126, R3129Z, R3144, R3160, R3162, R4139Z, R4174Z, R5141Z, R6080, R6220Z, R6490Z, R7050, R7958Z, Р8256, Р8317

Discussion: R400MR

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