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2 150 822

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IPC

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Application

99103811/13, 1999-02-18

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Start date

1999-02-18

(22)

Actual filing date

1999-02-18

(45)

Published

2000-06-20

(72)

Inventor

Lapochkina I.F.Kyzlasov V.G.Vlasova E.V.Jachevskaja G.L.Iordanskaja I.V.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Sel'Skogo Khozjajstva Tsentral'Nykh Rajonov Nechernozemnoj Zony

METHOD OF DEVELOPMENT OF PARENT MATERIAL FOR SELECTION OF WINTER SOFT WHEAT Russian patent published in 2000 - IPC

Abstract RU 2150822 C1

FIELD: agriculture. SUBSTANCE: invention relates to selection of winter soft wheat strains with large amount of spikelets in ear. Invention involves pollination of summer soft wheat flowers (2n = 42) with pollen of its wild relative Aegilops speltoides (2n = 14) irradiated preliminary by gamma-rays in a dose 10 kR and isolation of asymmetric hybrids of matromorphic type (2n = 49), selection of euploid recombinant strains showing homozygosity by wintering recessive genes (2n = 42) with large amount of spikelets in ear among hybrid progeny in spring period of their sowing. EFFECT: enhanced effectiveness of use of distant hybrids of soft wheat. 1 tbl, 1 dwg

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RU 2 150 822 C1

Authors

Lapochkina I.F.

Kyzlasov V.G.

Vlasova E.V.

Jachevskaja G.L.

Iordanskaja I.V.

Dates

2000-06-20—Published

1999-02-18—Filed