CHARACTERIZATION OF THREE CITRULLUS LANATUS (THUNB.) MATSUM. & NAKAI VARIETIES BY FLUORESCENT CHROMOSOME STAINING AND RAPD ANALYSIS

被引：0

作者：

Dash, Chandan kumar ^{[1
]}

Afroz, Mahin ^{[1
,2
]}

Hossain, Afsana ^{[1
]}

Sultana, Syeda sharmeen ^{[1
]}

Das, Subroto kumar ^{[1
,2
]}

机构：

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

[2] Univ Barishal, Dept Bot, Barishal 8254, Bangladesh

来源：

BANGLADESH JOURNAL OF BOTANY | 2023年 / 52卷 / 04期

关键词：

Karyotype; CMA; DAPI; RAPD; Citrullus lanatus; WATERMELON CITRULLUS-LANATUS; GENETIC DIVERSITY;

D O I：

10.3329/bjb.v52i4.70598

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Three commercial Citrullus lanatus varieties, namely Sonya, Kanya and Sweet black-2, were investigated with cyto-molecular techniques for characterization. Despite having similar somatic chromosome numbers and karyotype formulae (2n = 22), these three varieties had considerable diversities in Chromomycin A3 (CMA)-and 4 ', 6-diamidino-2-phenylindole (DAPI)-banding patterns. The total somatic chromosomal length was longest in Sweet black-2 (71.44 +/- 2.94 mu m) and shortest in Sonya (42.31 +/- 2.45 mu m). Each variety's unique GC-and AT-rich chromatin composition was represented by a variety of numbers, percentages, and patterns of distribution. Eleven random primers were employed to evaluate the genetic diversity among three varieties. Each variety showed a distinct fingerprinting pattern with 88.72% polymorphism while having 10 of the common RAPD bands.

引用

页码：1033 / 1040

页数：8

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