KARYOTYPIC DIVERSITY AMONG EIGHT ZEA MAYS L. VARIETIES

被引：0

作者：

Dash, Chandan Kumar ^{[1
]}

Begum, Kazi Nahida ^{[2
]}

Sultana, Syeda Sharmeen ^{[1
]}

机构：

[1] Univ Dhaka, Dept Bot, Dhaka 1000, Bangladesh

[2] Jagannath Univ, Dept Bot, Dhaka 1100, Bangladesh

来源：

BANGLADESH JOURNAL OF BOTANY | 2020年 / 49卷 / 04期

关键词：

Karyotype; Karyosystematics; Symmetry and asymmetry indices; Maize; MAIZE;

D O I：

暂无

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Staining property of interphase nuclei and prophase chromosomes, diploid chromosome number, total chromosome length (TCL), symmetric and asymmetric indices of karyotype were studied in eight maize varieties released by BARI. 2n = 20 chromosomes were found in Barnali, Mohor, Khoi Vhutta, BS-1, B-5 and BM-7 whereas 2n = 22 chromosomes in China and 2n = 24 chromosomes in B-73 were observed. TCL was highest in Mohor (190.49 +/- 5.61 mu m) and lowest in B-73 (69.30 +/- 2.51 mu m). These varieties showed significant variation in cytogenetical parameters. Results obtained are expected to supplement genetic identification of maize varieties in variety conservation efforts.

引用

页码：1157 / 1161

页数：5

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