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حرية الوصول المقاله
1 - Screening of almond cultivars and genotypes in relation to frost stress tolerance
ALI IMANI Hamed Torkaman Valiollah Rasoli Korosh Zandifar ZandifarAlmond is one of the most important horticultural crops of the Iran, which has been of interest to Iranian growers for a long time due to its unique characteristics. To select the best cultivars or genotypes of almonds from almond germplasm, an investigation based on fr أکثرAlmond is one of the most important horticultural crops of the Iran, which has been of interest to Iranian growers for a long time due to its unique characteristics. To select the best cultivars or genotypes of almonds from almond germplasm, an investigation based on frost tolerance (50 genotype and varieties in conditions of the laboratory was conducted using cuttings containing flower buds) in the Horticultural Sciences Researches Institute under laboratory conditions. The tolerance of 50 genotypes to frost in laboratory conditions was investigated in a factorial manner in a completely random design with the first factor of cold at 2 levels (normal temperature or without frost stress and -3°C) and the second factor of genotype at 50 levels with 3 replications. In this research, after screening 50 varieties and genotypes of almonds in relation to tolerance to freezing stress, two varieties and genotypes (Shokofeh and A43D99) were tolerant and two varieties (Peerless and Rabie) were sensitive and 2 varieties and genotypes (Nanpareil and A47MS3 ) intermediates were selected for further investigation, especially in relation to traits related to frost tolerance.It should be noted that the selected genotypes in this research are the result of breeding programs, and with further study and research work, some of these genotypes can be introduced as genotypes resistant to frost stress and used in breeding and cultivation programs. تفاصيل المقالة -
حرية الوصول المقاله
2 - Pomological and Phenological Description of the New ‘Bahri Koz’ Cultivar of Walnut (Juglans regia L.) and Its Nutritional Value
Mehmet Sütyemez Şakir Burak Bükücü Akide Özcan‘Bahri Koz’ is a walnut cultivar that reaches a mid-early harvest maturity and has some superior fruit traits. In 2019, the cultivar was registered and patented by the Variety Registration and Seed Certification Center of the Republic of Türkiye Ministr أکثر‘Bahri Koz’ is a walnut cultivar that reaches a mid-early harvest maturity and has some superior fruit traits. In 2019, the cultivar was registered and patented by the Variety Registration and Seed Certification Center of the Republic of Türkiye Ministry of Agriculture and Forestry. To determine the pomological and phenological traits of the ‘Bahri Koz’, 27 different traits were examined. The pomological analysis determined that the in-shell nut weight of ‘Bahri Koz’ was 12-14 g, the kernel weight was 6.5-7.0 g, and the kernel ratio was 51-54%. The shell and kernel of the cultivar were determined to be light in color and the surface of the shell to have a smooth structure. ‘Bahri Koz’ had superior traits compared to the ‘Chandler’ cultivar in terms of some of the pomological parameters such as in-shell nut weight, kernel weight, and kernel percentage. The new cultivar was seen to reach leafing, harvest maturity, and defoliation at an earlier date than ‘Chandler’. The dichogamy status of the cultivar was determined to be protandrous and in this respect, a pollinator cultivar was recommended for the establishment of orchards with ‘Bahri Koz’. This cultivar was also shown to be rich in lipid and unsaturated fatty acid content. تفاصيل المقالة -
حرية الوصول المقاله
3 - Diversity of Nut and Kernel Weight, Oil Content, and the Main Fatty Acids of some Almond Cultivars and Genotypes
Sohila Khojand Mehrshad Zeinalabedini Reza Azizinezhad Ali Imani Mohammad Reza GhaffariTo investigate the effects of cultivars on dry nut weight, kernel weight, oil content, and the main fatty acids of some cultivars and genotypes of almond, this study was conducted in 2019 in randomized complete blocks design with three replications. The findings reveale أکثرTo investigate the effects of cultivars on dry nut weight, kernel weight, oil content, and the main fatty acids of some cultivars and genotypes of almond, this study was conducted in 2019 in randomized complete blocks design with three replications. The findings revealed that the influence of genotype on all measured traits is significant. The results of oil content showed that D124 had the highest values in terms of oil content. Also, examination of kernel weight shows that there are significant differences between cultivars. So that the highest amount of kernel weight is related to genotype D at 2.19 grams, while the lowest amount of kernel weight is related to A5-17genotype at 0.52 grams. The investigation of nut weight analysis showed that genotype D had the highest value (6.40grams). All the traits considered in this research can be said that the D124 genotype and cultivars of Sahand, Shahroud 6, Saba, and Ruby respectively had oil content of 62.24, 62.12, 61.62, 60.41 and. 60.29 percent. In total, regarding to the all traits considered in this study, genotype D124 in the amount of 62.24% and then cultivars, Sahand, Shahroud 6, Saba, Ruby with oil values of 62.12%, 61.62%, 60.41% and 60.29, respectively. Also, palmitic acid, oleic acid, and linoleic acid in D124, Sahand, Shahroud 6, Saba, and Ruby were (5.44, 73.30 and 21.14%), (4.85, 76.33, and 18.48%), (5.64, 80.11 and 14.31%), (5.30, 73.89 and 20.80%) and (5.21, 77.44, and 16.32%) respectively. These are identified as the best cultivars and genotypes in terms of food quality in the climatic conditions of Karaj, which can be used for nutritional or technical applications to provide conditions for almond production and cultivation development. تفاصيل المقالة -
حرية الوصول المقاله
4 - Evaluation of Morphological and Pomological Diversity of 62 Almond Cultivars and Superior Genotypes in Iran
A. Ardjmand S. Piri A. Imani Sh. PiriIdentification and selection of promising genotypes of fruit tree are primary steps in breeding programs. The economic importance of almond production in the world has stimulated numerous studies related to breeding, quantitative and qualitative traits, the increase of أکثرIdentification and selection of promising genotypes of fruit tree are primary steps in breeding programs. The economic importance of almond production in the world has stimulated numerous studies related to breeding, quantitative and qualitative traits, the increase of yield and decrease production costs. In this study, morphological and pomological characteristics of 60 cultivar and superior genotypes from Iran, the European Union and the USA were evaluated. Results indicated that tree habit growth, buds, leaf, flowers and fruit attributes were highly diverse among studied cultivar and superior genotypes and, among the varieties and genotypes studied, significant differences revealed in terms of means comparison. Based on the means comparison, the minimum number of buds on the tree was for genotypes “3_12” and the maximum number of buds was for “14_24”. The “Boty” cultivar had the minimum length of nut shell, whereas the “D_99” cultivar had the maximum length. The “Price” cultivar had the minimum width and Marcona had the maximum nutshell width. Cultivars “D_99”and “Marcona” had the minimum and maximum nut shell thickness respectively. Cultivar “2_22” had the minimum kernel length and “D_99” cultivar the maximum. The maximum kernel weight was for “D_99” and the minimum for “SH _15”. The minimum kernel hardness was for genotype “D_124” and the maximum of kernel hardness was for genotypes “16 _30” and “3_17”. In terms of flowering time, cultivars “Sepid” , “Rabie” and “Mamaie” flowered most early and genotypes “D_5” and “D_11” most late. Also the maximum and minimum weight for almonds buds was seen in cultivars “Perlis” and “Sh _10”, respectively. Genotype “D_8” had the maximum bud length and genotype “10_8”the minimum. تفاصيل المقالة
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