1. bookVolume 9 (2022): Edizione 1 (March 2022)
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Rivista
eISSN
2603-347X
Prima pubblicazione
15 Dec 2015
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1 volta all'anno
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Inglese
access type Accesso libero

Late spring frost effect on the reproductive traits of late nectarine cultivar-rootstock combinations (Prunus persica var. nucipersica)

Pubblicato online: 18 Jun 2022
Volume & Edizione: Volume 9 (2022) - Edizione 1 (March 2022)
Pagine: 65 - 73
Dettagli della rivista
License
Formato
Rivista
eISSN
2603-347X
Prima pubblicazione
15 Dec 2015
Frequenza di pubblicazione
1 volta all'anno
Lingue
Inglese
Abstract

The study was conducted during the period 2017 – 2018 at the Agricultural Experimental Station – Khan Krum, Shumen region. The experimental orchard was established in the spring of 2011. The following nectarine cultivars were studied: Fantasia, Golden Grand, Morsiani 51, Cassiopeia and Fairlane grafted on a seedling rootstock (Elberta) and clonal GF 677, as well as the frost – resistant dessert-type cultivar Redhaven. In the period 2017 – 2018, negative temperatures were reported, at the end of March and at the beginning of April (-3.6°C and -5.0 °C respectively)which coincided with the full blooming phenological phase; as a result of which the blossoms froze (76 – 100%). A relatively low percentage of frozen blossoms was observed in cultivars grafted on rootstock GF 677. In 2017, the blossom damage was relatively low and yields were obtained, unlike in 2018. Negative spring temperatures had a negative impact on productivity if blossom damage percentage exceeded 80%.

Keywords

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