piteȘti-mĂrĂcineni土壤气候条件下一些李基因型形态多样性的研究

Q4 Agricultural and Biological Sciences

Fruit Growing Research Pub Date : 2022-12-22 DOI:10.33045/fgr.v38.2022.08

M. Chivu, M. Butac

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引用次数: 0

摘要

在2020 - 2022年期间，对25个李基因型的生长和结果进行了观察和测定，以确定其物候和形态多样性，为育种计划提供参考。物候和形态特征的变异具有很强的遗传决定论，与气候条件的演变有关。在气候变化的背景下，有必要了解参与表现性状的基因和负责品种适应性和生产力的性状与环境条件之间的相互作用机制。评估在100棵树(4棵/基因型)上进行，分析了3000片叶片、果实、嫩枝和花，工作量超过15,000次测量和观察。李子是一种活力旺盛或半活力旺盛的品种，但'Centenar'和'Zamfira'与其他品种相比，在活力方面表现出相当明显的差异，这对于这些品种在高密度果园中使用时可能是一个优势。有两个品种(‘Lama’和‘scolducup’)的开花时间较早，大多数品种的开花时间较晚，而‘Grase românești’、‘Vinete românești’和‘Vinete românești cl’的开花时间较晚。“early Rivers”的果实成熟时间很早，有7个品种(“Centenar”、“Tita”等)的果实成熟时间早，有14个品种(“Anna Spath”、“Black Diamond”、“Stanley”等)的果实成熟时间中晚，而“Haganta”、“Topend”和“Renclod Violet”的果实成熟时间很晚。此外，大多数CPVO描述子都具有多态性，表现出两种以上的表型。25个基因型的花、叶、芽和树习性的性状之间存在高度的多样性，证明每个基因型都具有特殊的性状，可以在未来的育种计划中使用。

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STUDY OF MORPHOLOGICAL DIVERSITY IN SOME PLUM GENOTYPES IN THE PEDOCLIMATIC CONDITIONS OF PITEȘTI-MĂRĂCINENI

During 2020 – 2022, observations and determinations regarding the growth and fruiting at 25 plum genotypes from the Pomological Collection of RIFG Pitesti - Mărăcineni were carried out in order to identify the phenological and morphological diversity, useful to the breeding program. The variability of phenological and morphological characters has a strong genetic determinism, in correlation with the evolution of pedoclimatic conditions. In the context of climatic changes, it has been essential to understand the mechanism of interaction between the genes involved in manifesting characters and traits responsible for the adaptability and productivity of the variety and the environmental conditions. The evaluation was carried out on 100 trees (4 trees/genotype), analyzing 3,000 leaves of leaves, fruits, shoots and flowers, the working volume being over 15,000 measurements and observations. Plum is a vigorous or semi-vigorous species, but 'Centenar' and 'Zamfira' show a fairly clear difference in vigor compared to the other varieties, and this can be an advantage for these varieties when used in high-density orchards. The beginning of flowering started early in the case of two varieties ('Lama' and 'Scolduș'), medium and late for most varieties and very late for 'Grase românești', 'Vinete românești' and 'Vinete românești cl. 300', while beginning of fruit ripening occurred very early for 'Early Rivers', early in the case of 7 varieties ('Centenar', 'Tita', etc.), medium or late for 14 varieties ('Anna Spath', 'Black Diamond', 'Stanley' etc.) and very late in 'Haganta', 'Topend' and 'Renclod Violet'. Also, most of the selected CPVO descriptors were polymorphic and showed more than two phenotypes a high diversity was observed between characters regarding the flower, leaf, shoots and tree habit of the 25 studied genotypes, proving that each of them presents special characters that can be useful in future breeding programs.

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来源期刊

Fruit Growing Research Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

0.10

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： FRUIT GROWING RESEARCH is an international journal, which has been issued under the care of the Research Institute for Fruit Growing Pitesti, Romania. Fruit growing research is an annual journal aimed at disseminating significant research and original papers on genetic resources, breeding of deciduous fruit trees species; fruit sustainable technologies – environment protection; propagation, virology and tissue culture, postharvest, that can be of interest to a wide audience of plant scientists in all areas of fruit growing. An international Editorial Board advises the journal.