Initial performance of own-rooted and budded 'Sunraycer' nectarine plants

The objective of this work was to evaluate the performance in the field of 'Sunraycer' nectarine plants when own rooted and budded onto 13 clonal rootstocks. For this, flowering, flushing, fruit maturity, vigor, and production were assessed. The time span between the end of flowering and the harvest period was shorter for 'Sunraycer' budded onto the 'G x N.9', 'Santa Rosa', and 'Ishtara' rootstocks. 'Flordaguard' and 'Ishtara' induced the largest and smallest canopy sizes, respectively. 'Flordaguard' resulted in the greatest production, and 'Cadaman', in the lowest. Own-rooted 'Sunraycer' plants produce heavier fruits and can be an alternative to growers.

Index terms:
Prunus; flowering; flushing; production; vigor

Authorship

Isabela Maria Jimenes ^**Corresponding author: isabela.jimenes@usp.br

Universidade de São Paulo, Escola Superior de Agricultura Luiz de Queiroz, Departamento de Produção Vegetal, Avenida Pádua Dias, no 11, CEP 13418-900 Piracicaba, SP, Brazil. E-mail: isabela.jimenes@usp.br, srsilva@usp.brUniversidade de São PauloBrazilPiracicaba, SP, Brazil Universidade de São Paulo, Escola Superior de Agricultura Luiz de Queiroz, Departamento de Produção Vegetal, Avenida Pádua Dias, no 11, CEP 13418-900 Piracicaba, SP, Brazil. E-mail: isabela.jimenes@usp.br, srsilva@usp.br

https://orcid.org/0000-0001-6007-371X

Newton Alex Mayer

Embrapa Clima Temperado, Rodovia BR-392, Km 78, 9º Distrito, Monte Bonito, Caixa Postal 403, CEP 96010-971 Pelotas, RS, Brazil. E-mail: alex.mayer@embrapa.brEmbrapa Clima TemperadoBrazilPelotas, RS, Brazil Embrapa Clima Temperado, Rodovia BR-392, Km 78, 9º Distrito, Monte Bonito, Caixa Postal 403, CEP 96010-971 Pelotas, RS, Brazil. E-mail: alex.mayer@embrapa.br

https://orcid.org/0000-0001-6689-8202

Carlos Tadeu dos Santos Dias

Universidade de São Paulo, Escola Superior de Agricultura Luiz de Queiroz, Departamento de Ciências Exatas, Avenida Pádua Dias, no 11, CEP 13418-900 Piracicaba, SP, Brazil. E-mail: ctsdias@usp.brUniversidade de São PauloBrazilPiracicaba, SP, Brazil Universidade de São Paulo, Escola Superior de Agricultura Luiz de Queiroz, Departamento de Ciências Exatas, Avenida Pádua Dias, no 11, CEP 13418-900 Piracicaba, SP, Brazil. E-mail: ctsdias@usp.br

https://orcid.org/0000-0003-1015-1761

Simone Rodrigues da Silva

https://orcid.org/0000-0002-8471-956X

*Corresponding author: isabela.jimenes@usp.br

SCIMAGO INSTITUTIONS RANKINGS

Figures | Tables

Figures (1)
Tables (1)

Thumbnail

Figure 1.
Mean monthly rainfall and air relative humidity (A); and chill hours (CH) below 15, 12, 10, and 7.2ºC, as well as maximum (Tmax), minimum (Tmin), and mean (Tmean) air temperatures (B) in 2015 and 2016. Data were collected by the automated meteorological station located at Escola Superior de Agricultura Luiz de Queiroz, in the municipality of Piracicaba, in the state of São Paulo, Brazil.

Thumbnail

Table 1.
Initial (ID) and final dates (FD) of flowering, sprouting, and harvest, as well as time span between the end of flowering and the end of harvest (EF to EH), canopy volume, fruit number per plant (FN), fruit weight (FW), fruit yield (FY), and yield efficiency (YE), of own-rooted and budded 'Sunraycer' nectarine (Prunus persica) plants, in the municipality of Piracicaba, in the state of São Paulo, Brazil⁽¹⁾.

Figure 1. Mean monthly rainfall and air relative humidity (A); and chill hours (CH) below 15, 12, 10, and 7.2ºC, as well as maximum (Tmax), minimum (Tmin), and mean (Tmean) air temperatures (B) in 2015 and 2016. Data were collected by the automated meteorological station located at Escola Superior de Agricultura Luiz de Queiroz, in the municipality of Piracicaba, in the state of São Paulo, Brazil.

Table 1. Initial (ID) and final dates (FD) of flowering, sprouting, and harvest, as well as time span between the end of flowering and the end of harvest (EF to EH), canopy volume, fruit number per plant (FN), fruit weight (FW), fruit yield (FY), and yield efficiency (YE), of own-rooted and budded 'Sunraycer' nectarine (Prunus persica) plants, in the municipality of Piracicaba, in the state of São Paulo, Brazil⁽¹⁾.

Treatment

Dates of phenological events in 2016

EF
to
EH

Canopy volume
(V, m³)

FW
(g)

FY
(kg per plant)

YE
(kg m^-3)

Flowering

Sprouting

Harvest

Full bloom

2015⁽²⁾

2016⁽²⁾

2016⁽³⁾

2016⁽⁴⁾

Barrier

July 1

July 19

July 1

Aug. 23

Oct. 3

Oct. 18

4.58abcd

3.55cde

34.75b

61.13b

2.82abcd

0.794abcd

Cadaman

July 1

July 19

July 1

Sept. 5

Oct. 3

Oct. 18

4.87abc

3.92bcde

15.00c

51.40b

0.69e

0.176f

G x N.9

July 1

Aug. 1

July 1

Sept. 5

Oct. 3

Oct. 18

5.09ab

4.10abcde

41.00ab

50.65b

1.98cd

0.483bcde

México Fila 1

July 1

July 14

July 1

Aug. 15

Oct. 3

Oct. 18

4.66abcd

4.76abc

33.50bc

67.00b

2.11bcd

0.443bcde

I-67-52-4

July 1

July 19

July 1

Sept. 5

Oct. 3

Oct. 18

3.63bcde

5.24ab

35.00b

53.25b

1.87cd

0.357def

Tsukuba-1

July 1

July 11

July 1

Aug. 15

Oct. 3

Oct. 18

3.18def

6.37a

69.00ab

52.18b

4.38ab

0.688abcd

Tsukuba-2

July 1

July 19

July 1

Aug. 15

Oct. 3

Oct. 18

3.13def

2.97de

62.50ab

55.20b

3.00abc

1.010a

Tsukuba-3

July 1

July 14

July 1

Sept. 5

Oct. 3

Oct. 18

3.35cdef

4.08bcde

47.50ab

51.98b

2.04bcd

0.500abcd

Santa Rosa

July 1

Aug. 1

July 1

Aug. 23

Oct. 3

Oct. 18

2.66ef

4.18abcd

28.25bc

36.90c

1.02de

0.244ef

Flordaguard

July 1

July 14

July 1

Sept. 5

Oct. 3

Oct. 18

5.43a

5.99a

107.00a

51.10b

5.36a

0.895abc

Nemared

July 1

July 19

July 1

Sept. 5

Oct. 3

Oct. 18

3.87abcde

4.60abc

36.75b

52.08b

2.00bcd

0.435cde

Ishtara

July 1

Aug. 15

July 1

Sept. 5

Oct. 3

Oct. 18

1.95f

2.87e

51.50ab

53.46b

2.82abcd

0.983ab

Okinawa

July 1

July 11

July 1

Aug. 23

Oct. 3

Oct. 18

3.79bcde

4.36abc

34.00bc

49.80b

1.72cd

0.394cde

Own-rooted

July 1

July 19

July 1

Sept. 5

Oct. 3

Oct. 18

5.19ab

4.42abc

34.50bc

115.40a

2.86abc

0.647abcd

p-value

<0.0001

0.01

0.0652

<0.0001

0.048

0.0075

CV (%)

27.82

8.49

18.18

11.86

12.02

10.35

⁽¹⁾
Means followed by equal letters, in the columns, do not differ by the least significance difference test, at 5% probability. Original data were transformed by: ŷ = log₁₀(y)⁽²⁾, ŷ = y^-0.6(3), and ŷ = y^0.2(4).

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E-mail: pab@embrapa.br

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Initial performance of own-rooted and budded 'Sunraycer' nectarine plants

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[1] *Corresponding author: isabela.jimenes@usp.br