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Dietary micronutrient content, heterosis and combining ability for breeding mineral-rich hybrids in early- and mid-maturity groups of Indian cauliflower

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Title Dietary micronutrient content, heterosis and combining ability for breeding mineral-rich hybrids in early- and mid-maturity groups of Indian cauliflower
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Creator Geeta P. Karigara
Shrawan Singha
Manisha Mangal
Sandhya Sarohaa
Navinder Saini
Mrinmoy Ray
Tusar Kanti Behera
 
Subject Cauliflower
CMS lines
Mineral-rich hybrids
Nutrition breeding
Combining ability
 
Description Not Available
Introduction
Food-based approach is a sustainable and cost-effective option to counter micronutrient malnutrition in public health particularly in poor communities. The present study aimed to develop F1 hybrids from early-and mid-maturity groups of Indian cauliflower rich in essential dietary nutrients.

Materials and methods
Cytoplasmic male sterility (CMS) based 50 F1 hybrids (10 CMS lines × 5 testers) from early-maturity group and 20 F1 crosses (5 CMS lines × 4 testers) from mid-maturity group were generated in line × tester mating design and evaluated in randomized block design in respective maturity groups in 2020–21. Eight dietary minerals content were analysed in curd portion using atomic absorbance spectrophotometer and sulphur by barium sulphate turbidimetry method.

Results
The CMS lines, fertile inbred lines and F1 crosses from both maturity groups showed significant variation in minerals content. Best combiners for minerals in early group were CMS 999–41–5 (Fe, Mn, Mg, Ca, S) and CMS 4348–41–5 (Zn, Na) in CMS lines while DC 98–2 (Cu, Ca) and DC 67 (Zn, Mn, Na) among the testers. In mid group, CMS 8401 (Fe, Na, Ca, K) and CMS 1944–309 (Zn, S) CMS lines and DC 401 (Fe, S, K) and DC 476 (Cu, Mn, Na) testers were good combiners. The best heterotic hybrids in early group were CEH35 for Fe, CEH27 for Zn and Na, CEH38 for Cu and Mn and CEH43 for Ca. In mid group, CMH2 was most heterotic for Fe and Mn and CMH4 for Ca content.
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Date 2023-04-03T08:18:27Z
2023-04-03T08:18:27Z
2023-03-15
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/76649
 
Language English
 
Relation Not Available;
 
Publisher Elsevier