Impact of Climatic Factors on Radial Growth in Walnut (Juglans regia L.)

Cosmulescu, Sina; Ionescu, Mariana Bîrsanu; Nețoiu, Constantin

doi:10.15835/nsb11210492

Cited by 4 publications

(3 citation statements)

References 7 publications

(14 reference statements)

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“…Wang et al [29] evaluated Persian walnuts in China and selected six dwarf walnut rootstocks; 'Xinwen 609 , 'Xinwen 724 , 'Xinwen 908 , 'Xinwen 915 , 'Xin 916 , and 'Xinwen 917 as potential rootstocks for breeding. Analysis of growth traits of 'semi-cultivated' local genotypes of Juglans regia on their own roots, in the sands area of south-west Romania, showed that climatic and edaphic factors significantly influenced the annual growth ring width of the trees, but also their adaptability to environmental factors [33].…”

Section: Vigormentioning

confidence: 99%

Advances in Rootstock Breeding of Nut Trees: Objectives and Strategies

Vahdati

Sarikhani

Arab

et al. 2021

Plants

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The production and consumption of nuts are increasing in the world due to strong economic returns and the nutritional value of their products. With the increasing role and importance given to nuts (i.e., walnuts, hazelnut, pistachio, pecan, almond) in a balanced and healthy diet and their benefits to human health, breeding of the nuts species has also been stepped up. Most recent fruit breeding programs have focused on scion genetic improvement. However, the use of locally adapted grafted rootstocks also enhanced the productivity and quality of tree fruit crops. Grafting is an ancient horticultural practice used in nut crops to manipulate scion phenotype and productivity and overcome biotic and abiotic stresses. There are complex rootstock breeding objectives and physiological and molecular aspects of rootstock–scion interactions in nut crops. In this review, we provide an overview of these, considering the mechanisms involved in nutrient and water uptake, regulation of phytohormones, and rootstock influences on the scion molecular processes, including long-distance gene silencing and trans-grafting. Understanding the mechanisms resulting from rootstock × scion × environmental interactions will contribute to developing new rootstocks with resilience in the face of climate change, but also of the multitude of diseases and pests.

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Section: Vigormentioning

confidence: 99%

Advances in Rootstock Breeding of Nut Trees: Objectives and Strategies

Vahdati

Sarikhani

Arab

et al. 2021

Plants

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show abstract

“…Wang et al [29] evaluated Persian walnuts in China and selected six dwarf walnut rootstocks; 'Xinwen 609', 'Xinwen 724', 'Xinwen 908', 'Xinwen 915', 'Xin 916', and 'Xinwen 917' as potential rootstocks for breeding. Analysis of growth traits of 'semi-cultivated' local genotypes of Juglans regia on their own roots, in the sands area of south-west of Romania, showed that climatic and edaphic factors significantly influenced the annual growth ring width of the trees, but also their adaptability to environmental factors [33].…”

Section: Vigormentioning

confidence: 99%

Advanced in Rootstock Breeding of Nut Trees: Objectives and Strategies

Vahdati¹,

Sarikhani²,

Arab³

et al. 2021

Preprint

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The production and consumption of nuts are increasing in the world due to strong economic returns and the nutritional value of their products. With the increasing role and importance given to nuts (i.e., walnuts, hazelnut, pistachio, pecan, almond) in a balanced and healthy diet and in the prevention of various diseases, breeding of the nuts species has also been stepped up. Most recent fruit breeding programs have focused on scion genetic improvement. However, the use of locally adapted grafted rootstocks also enhanced the productivity and quality of tree fruit crops. Grafting is an ancient horticultural practice use in nut crops to manipulate scion phenotype and productivity and overcome biotic and abiotic stresses. There are complex rootstock breeding objectives and physiological and molecular aspects of rootstock–scion interactions in nut crops. In this review, we provide an overview of these, considering the mechanisms involved in nutrient and water uptake, regulation of phytohormones, and rootstock influences on the scion molecular processes, including long-distance gene silencing and trans-grafting. Understanding the mechanisms resulting from rootstock × scion × environmental interactions will contribute to developing new rootstocks with resilience in the face of climate change, but also of the multitude of diseases and pests and of the possible increase of their aggressiveness. They will also have to offer the premises of economic production, respectively yield and the quality, according to multiple destinations of nuts in the current consumption and food industry, but also the increasing exigencies of the consumer market and the profile industry.

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“…Consequently, areas where frosts often occur after the blooming of fruit buds, leading to their freezing, are considered unsuitable for industrial cultivation of fruit crops, including walnuts [3][4][5][6]. For this reason, freezing is often an important selection criterion in breeding programs, and in a number of research programs, the main emphasis is placed on breeding varieties that are resistant to low temperatures [5,[7][8]. Low temperatures for walnuts are the main limiting factor that can explain the spread of species in cold climates [9][10].…”

Section: Introductionmentioning

confidence: 99%

Analysis of promising walnut forms for resistance to return frost

Artyukhova

2021

BIO Web Conf.

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In the conditions of the central zone of the North Caucasian region of Russia, in recent years, a tendency has been noted to increase the negative impact of low-temperature stressors of the winter and spring periods on walnut plants (Juglans regia L). The purpose of the study is to identify the most valuable genotypes for creating walnut varieties with increased resistance to cold stress, promising for cultivation in the south of Russia. Modern programs and methods of breeding and variety study were used. The results of a long-term study (2019-2021) of collection samples of walnuts growing in the conditions of the central zone of the North Caucasus region are presented. Highlighted hybrid forms of walnut with an early start of the growing season: 17-2-41, 17-3-44, 17-2-35, 17-2-26 (from hybrid families Ideal f. p., I -Yu-50 f. p.); and especially valuable for breeding and production genotypes with a late start of the growing season: 17-3-48, 17-3-16, 17-3-22, 17-3-19 (Dachny f. p., Ya-B-84 f. p.). It has been established that all hybrid seedlings from families (Ideal f. p., Ya-Yu-50 f. p., Ya-Yu-40 f. p., Dachny f. p.) of walnut are moderately resistant to returnable spring Frost.

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Impact of Climatic Factors on Radial Growth in Walnut (Juglans regia L.)

Cited by 4 publications

References 7 publications

Advances in Rootstock Breeding of Nut Trees: Objectives and Strategies

Advances in Rootstock Breeding of Nut Trees: Objectives and Strategies

Advanced in Rootstock Breeding of Nut Trees: Objectives and Strategies

Analysis of promising walnut forms for resistance to return frost

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