Abstract
The studied was to investigate for studying the genetic architecture in seven genotypes of radish during growing season autumn 2019/2020, at the area of the vegetable research, Department of Horticulture and landscape Designs, agriculture and forestry College, University of Mosul. The results indicated that highly significant variation among all the fifteen traits, vegetative, root and seeds parameters. The genotype Istanbul was superior than all genotypes for whole plant weight, root diameter and root length, number of leaves for each plant, while genotype, while Radish Shahry gave a higher value in fruit length (siliqua), genotype Black radish was superior than all genotypes for root total yield per area and total seed yields for each plant. In addition, the highest phenotypic, genotypic coefficient related to variation has been identified for the characteristics of whole plant gram weight, total chlorophyll content SPAD, root weight, total seed yield for each unit area and the number of fruits (siliqua) for each one of the plants. Almost all the characteristics showed high heritability broad sense ranging between 66.507 and 97.109%, high genetic advance as mean’s percent was indicated regarding all the traits excepted for the leaf’s number plant and seeds weight/plant. Which were 13.846, 8.769% respectively.
Highlights
Radish Raphanus sativus (2n=2x=18), belong to the genus Raphanus, Cruciferae or Brassicaceae family originating from Western and Central China and India [1], it is typically an insect pollinated, selfincompatible crop [2]
The genotype Istanbul was superior than all genotypes for whole plant weight, root diameter and root length, number of leaves for each plant, while genotype, while Radish Shahry gave a higher value in fruit length, genotype Black radish was superior than all genotypes for root total yield per area and total seed yields for each plant
The highest phenotypic, genotypic coefficient related to variation has been identified for the characteristics of whole plant gram weight, total chlorophyll content SPAD, root weight, total seed yield for each unit area and the number of fruits for each one of the plants
Summary
Radish Raphanus sativus (2n=2x=18), belong to the genus Raphanus, Cruciferae or Brassicaceae family originating from Western and Central China and India [1], it is typically an insect pollinated, selfincompatible crop [2]. Et al (2019) [16] reported in their research when they study the performance of six different varieties of radish, the varieties have been Korean cross, Menu Early, Snow white, Long red, Local check and Scarlet red globe, the analysis specified highly significant difference maximum plant height, fresh leaves’ weight, leaf length, fresh weight for each one of the plants is highest in Menu Early, whereas for the fresh weight of root, length of roots, dry weight of radish root and total yield of radish root, the variety Korean cross performs excellent compared to other varieties The goal of this studied was to investigate for studying the genetic architecture in some genotypes of radish under Nenevah conditions, Iraq
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