تقدير بعض المؤشرات الوراثية لصفات النمو والإنتاجية للسلالات النقية من الفليفلة الحريفة

لمى علون; شيماء  سمعو; لافا  مصطفى; عزيزة مرديخي

doi:10.54172/xes59r12

Authors

Lama Alloun General commission for scientific agricultural research Aleppo, Alep-po, Syria Author
Shaemae Samou General commission for scientific agricultural research Aleppo, Alep-po, Syria Author
Lava Mustafa General commission for scientific agricultural research Aleppo, Alep-po, Syria Author
ِAziza Mardikhy General commission for scientific agricultural research Aleppo, Alep-po, Syria Author

DOI:

https://doi.org/10.54172/xes59r12

Keywords:

Chili Pepper, Phenotypic Variation, Genetic Variation, Heritability

Abstract

This research was conducted at the Talhadia Research Station during the 2022 season to evaluate the performance of some local chili pepper lines in Aleppo Governorate & to investigate the heritability, genetic, & phenotypic variation of their productive traits. The goal was to utilize these findings in breeding programs & to preserve the local genetic resources. The study included 22 local chili pepper lines, focusing on phonological phases, such as the number of days from transplanting until 75% of the plants flowered, the time to fruit setting (node formation), & the time to the first harvest, in addition to the length of the harvesting period. Plant traits such as plant height, the number of main branches, fruit length, fruit diameter, average fruit weight, fruit wall thickness, & plant productivity were also evaluated. The experiment was carried out using a R& omized Complete Block Design (RCBD) with three replications. The results revealed significant differences among the chili pepper lines in phonological stages & plant traits. Substantial variation was observed in plant height & the number of main branches among the lines. Genetic factors were found to have a greater influence than environmental factors on fruit characteristics & plant productivity. Heritability estimates ranged from 97% for fruit weight to 67% for fruit wall thickness & plant productivity. Cluster analysis grouped the studied lines into two main categories based on fruit & plant traits. The first category was further divided into two subgroups comprising nine strains, while the remaining strains were grouped into the second category. This research provides valuable insights for breeding programs & strategies aimed at improving chili pepper traits & preserving local varieties.

Author Biographies

Shaemae Samou, General commission for scientific agricultural research Aleppo, Alep-po, Syria

Agricultural engineer at the Aleppo Research Center - General Commission for Scientific Agricultural Research - Ministry of Agriculture and Agrarian Reform - Syria.

Master's student at the University of Aleppo.
Lava Mustafa, General commission for scientific agricultural research Aleppo, Alep-po, Syria

Agricultural engineer at the Aleppo Research Center - General Commission for Scientific Agricultural Research - Ministry of Agriculture and Agrarian Reform - Syria.
ِAziza Mardikhy, General commission for scientific agricultural research Aleppo, Alep-po, Syria

Agricultural engineer at the Aleppo Research Center - General Commission for Scientific Agricultural Research - Ministry of Agriculture and Agrarian RefoMaster's student at the University of Aleppo.rm - Syria.

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