Screening of oat cultivars developed in omsk for conditions of the southern foreststeppe in Western Siberia

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Abstract


Spring oats are one of the most important crops among grain crops, and they are well adapted to the conditions of Western Siberia. To realize qualitative and quantitative characteristics of yield and increase productivity, new varieties should be characterized by responsiveness to changing environmental factors (adaptability) with sufficient potential productivity and ability to realize it even in the stressful conditions of this region. The aim of the research was to determine adaptive properties of spring oat cultivars developed in Omsk Agrarian Scientific Center. The experiments were carried out on the experimental fields of the Omsk Agrarian Scientific Center, located in the southern forest-steppe zone of Western Siberia, in 2011-2019. The st following adaptability parameters were calculated: stress tolerance Kst (according to A.V. Bykov), homeostaticity Hom (V.V. Khangildin), breeding value of cultivar Sc (according to N.A. Orlyansky), genotypic effect Ɛi (B.P. Guriev), coefficient of variation V and coefficient of uniformity B (B.A. Dospekhov), resilience of stability index У (R.A. Udachin and P.A. Golovchenko), rate of reaction of varieties to the environmental conditions Re (V.V. Novokhatin), equivalent plasticity Wi (C. Wricke). Using a significant number of indicators to obtain a final assessment of adaptability, a ranking of cultivars was carried out. Among hulled oat cultivars, Orion (control), Irtysh 13 and Irtysh 21 had increased adaptability (the sum of the ranks was 23, 35 and 36, respectively). In naked oat cultivars, Progress was more stable (the sum of the ranks was 79). These cultivars are recommended for cultivation in conditions of the southern forest-steppe of Western Siberia.


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Table 1. Productivity of spring oat cultivars

Cultivar

2011

2012

2013

2014

2015

2016

2017

2018

2019

 x¯i 

Hulled oat cultivars

Orion (control)

4.31

2.51

4.15

3.97

5.47

3.08

5.09

3.79

5.30

4.19

Irtysh 13

3.65

2.24

3.89

3.62

5.69

2.99

4.86

4.22

5.85

4.11

Irtysh 21

4.14

2.44

4.27

4.16

5.42

3.00

5.89

3.24

5.69

4.25

Tarsky 2

3.65

2.38

4.34

3.95

5.52

3.54

5.24

3.29

6.06

4.22

Pamyati Bogachkova

4.04

2.27

4.09

4.34

5.96

2.98

5.25

2.80

4.94

4.07

Fakel

3.89

2.34

4.65

2.69

5.90

4.72

5.26

5.24

8.50

4.80

Sibirsky gerkules

4.17

2.17

5.26

4.57

5.69

3.09

5.75

3.79

6.26

4.53

Naked oat cultivars

Sibirsky golozerny (control)

2.54

1.53

2.41

2.42

4.26

2.30

3.01

4.39

4.39

3.03

Progress

2.12

1.55

2.43

2.64

4.02

2.04

2.90

2.49

3.82

2.67

LSD05

0.50

0.20

0.40

0.54

0.42

0.38

0.55

0.61

0.44

 x¯j 

3.66

2.17

3.93

3.67

5.29

3.05

4.78

4.05

5.49

3.58

Ij

–0.35

–1.84

–0.08

–0.34

1.28

–0.96

0.77

0.04

1.48

Note.  x¯j  — average for the year;  x¯i  — average for the cultivar; Ij — index of environmental conditions.

 

Table 2. Adaptability parameters of spring oat cultivars

Cultivar

Er

В

Wi

SI

Y, %

Кst.

Hom

Sc

Ɛi

V

Hulled oat cultivars

Orion* (control)

5.47

75.9

2.35

3.95

29.1

0.694

5.59

8.06

0.61

24.1

Irtysh 13*

3.90

73.2

1.87

3.74

12.2

0.636

4.25

6.47

0.53

26.8

Irtysh 21**

6.06

71.2

3.70

3.45

40.2

0.638

4.26

7.48

0.67

28.8

Tarsky 2**

5.77

71.9

4.40

3.45

9.8

0.635

4.10

6.99

0.64

28.1

Pamyati Bogachkova**

4.45

70.1

4.50

3.34

11.4

0.700

3.68

6.31

0.49

29.9

Fakel*

10.95

62.0

12.49

3.66

8.2

0.587

2.08

6.34

1.22

38.0

Sibirsky gerkules*

8.48

68.9

9.48

3.51

32.7

0.600

3.66

7.11

0.95

31.7

Naked oat cultivars

Sibirsky golozerny*** (control)

–4.95

65.0

4.62

3.00

13.0

0.544

3.03

3.19

–0.55

35.0

Progress***

–8.19

69.7

2.99

3.29

7.3

0.508

3.56

2.47

–0.91

30.3

 

2.06

2.2

1.10

0.09

4.10

0.02

0.32

0.64

0.08

1.40

Note. * — highly stable cultivars; ** — stable, ***— unstable.

 

Table 3. Ranking of spring oat cultivars by adaptability parameters

Cultivar

Wi

SI

Υ

Кst

Hom

Sc

Ɛi

V

В

Er.

Total ranks

Hulled oat cultivars

Orion (control)

2

1

3

2

1

1

5

1

1

6

23

Irtysh 13

1

2

1

5

3

5

6

2

2

8

35

Irtysh 21

4

5

5

4

2

2

3

4

4

3

36

Tarsky 2

5

5

8

6

4

4

4

3

3

5

47

Pamyati Bogachkova

6

6

6

1

5

7

7

5

5

7

58

Fakel

9

3

9

8

10

6

1

10

10

1

67

Sibirsky gerkules

8

4

2

7

6

3

2

7

7

2

48

Naked oat cultivars

Sibirsky golozerny (control)

7

9

4

9

8

9

8

9

9

9

81

Progress

3

8

10

10

7

10

9

6

6

10

79

About the authors

Oksana Aleksandrovna Yusova

Omsk Agrarian Scientific Center

Author for correspondence.
Email: ksanajusva@rambler.ru
Koroleva avenue, Omsk, 26644012, Russian Federation

Candidate of Agricultural Sciences, Head of the Laboratory of Genetics, Biochemistry and Plant Physiology

Petr Nikolayevich Nikolaev

Omsk Agrarian Scientific Center

Email: nikolaevpetr@mail.ru
Koroleva avenue, Omsk, 26644012, Russian Federation

Candidate of Agricultural Sciences, Head of the Laboratory for selection of grain crops

Nikolay Ivanovich Aniskov

Vavilov Institute of Plant Genetic Resources

Email: i.safonova@vir.nw.ru
42/44 Bolshaya Morskaya st., St. Pe-tersburg, 190000, Russian Federation

Doctor of Agricultural Sciences, Senior Researcher

Irina Vladimirovna Safonova

Vavilov Institute of Plant Genetic Resources

Email: i.safonova@vir.nw.ru
42/44 Bolshaya Morskaya st., St. Pe-tersburg, 190000, Russian Federation

Candidate of Agricultural Sciences, Senior Researcher

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