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Variety traits

Determinacy in Soybean

Glycine max (L.) Merr.

A genetically determined trait that defines the growth habit of the main soybean stem and the yield formation strategy through resource allocation between vegetative growth and pod set.

In the reference 146 varieties crop Soybean, where this is mentioned in the description.

The growth habit of soybean is classified into determinant, where stem growth ceases at the onset of flowering due to the transformation of the terminal bud into an inflorescence; indeterminate, characterized by the continued growth of nodes simultaneously with pod formation; and semi-determinate, with growth continuing for two weeks after the onset of flowering.

This trait is qualitative and is determined by morphological analysis of the apical meristem in accordance with UPOV or RTG/80 guidelines. The trait significantly influences crop management: indeterminate forms are more plastic under stress, whereas determinate ones provide a more compact habit, which is important for mechanized harvesting.

The choice of growth habit dictates crop management strategy, including sowing dates and stand density control, as tall indeterminate varieties are more prone to lodging. At the same time, the height of the lowest pod remains a critical parameter for harvesting, depending on both the genetically determined growth type and cultivation conditions.

General information about the subject — on the page Determinacy.

Sources8

Varieties of Soybean mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Maya

Active

Glycine max (L.) Merr. · Soybean

Sylvain Legay

UA
4 records

Glycine max (L.) Merr. · Soybean

Istvan Raikan

UA
4 records

Gracia

Active

Glycine max (L.) Merr. · Soybean

Institut za ratarstvo i povrtarstvo, Novi Sad

HR
3 records

Weber

Active

Glycine max (L.) Merr. · Soybean

Iowa Agriculture and Home Economics Experiment Station

FR
3 records

Ascasubi

Active

Glycine max (L.) Merr. · Soybean

E.R.S.A. Friuli-Venezia Giulia

IT
3 records

Dassel

Protection expired

Glycine max (L.) Merr. · Soybean

Minnesota Agricultural Experiment Station

IT
3 records

Proton

Terminated

Glycine max (L.) Merr. · Soybean

STINE SEED CO.

IT
3 records

Glycine max (L.) Merr. · Soybean

MANEA DANIELABARBIERU ANCUTA

RO
4 records

Zelda

Active

Glycine max (L.) Merr. · Soybean

ALAIN LETOURNEAU

UA
4 records

Borbála

Active

Glycine max (L.) Merr. · Soybean

Biomagker Kft., Cegléd

HU
3 records

Glycine max (L.) Merr. · Soybean

UNIVERSITY OF GUELPH

UA
4 records

Sailor

Active

Glycine max (L.) Merr. · Soybean

Patrice Jeanson

SK UA
5 records

Mozart

Active

Glycine max (L.) Merr. · Soybean

Semican INC (CA)

HR UA
4 records

Glycine max (L.) Merr. · Soybean

Saatzucht Gleisdorf

AT
3 records

Sarema

Terminated

Glycine max (L.) Merr. · Soybean

RAGT 2N S.A.S

FR
4 records

Crina F

Active

Glycine max (L.) Merr. · Soybean

DAVID IONICA

RO
4 records

Glycine max (L.) Merr. · Soybean

Kuz`mych Viktoriia Ivanivna, Borovyk Vira Oleksandrivna, Osinii Mykola Leonidovych, Baranchuk Vitalii Anatoliiovych, Mykhailov Viktor Oleksandrovych, Klubuk Viktor Vasylovych,

UA
3 records

Kobza

Active

Glycine max (L.) Merr. · Soybean

Sokol Tetiana Volodymyrivna, Kobyzieva Liubov Nykyforivna, Tymchuk Serhii Mykhailovych, Matushkin Viktor Oleksiiovych, Chernyshenko Pavlo Volodymyrovych, Moshkova Olena Mykolaivna, Riabukha Serhii Stanislavovych,

UA
4 records

Skima

Active

Glycine max (L.) Merr. · Soybean

RAGT 2n, FR

DE FR
2 records

CM-048

Active

Glycine max (L.) Merr. · Soybean

3 records

Glycine max (L.) Merr. · Soybean

Istvan Rajkan

UA
3 records

CX266RR

Active

Glycine max (L.) Merr. · Soybean

Dekalb Genetics Corporation

IT
2 records

Glycine max (L.) Merr. · Soybean

Istvan Rajkan

UA
3 records

Aratta

Active

Glycine max (L.) Merr. · Soybean

Kolot Viktor Mykolaiovych, Kurochkina Zhanna Porfentiivna, Mykhailov Viktor Oleksandrovych, Klubuk Viktor Vasylovych,

UA
3 records