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Variation in Crude Protein, Dry Matter and Starch in Inbred and Backcross Lines of Cassava

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Title Variation in Crude Protein, Dry Matter and Starch in Inbred and Backcross Lines of Cassava
Not Available
 
Creator M.N. Sheela, V.S. Radhika, K. Susan John and K. Abraham
 
Subject Cassava, crude protein, dry matter, starch, inbreds, Manihot tristis, correlation
 
Description Not Available
a greater amount of additive genetic variance between lines and permit backcrossing for the transfer
of desirable traits. Large number of inbred lines of popular cassava varieties and elite clones developed
at Central Tuber Crops Research Institute, Thiruvananthapuram, Kerala were screened for desirable
traits and used in heterosis breeding programme. Promising backcross hybrids were developed from
elite inbred lines as well as two advanced backcross lines of an interspecific hybrid of cassava with
Manihot tristis having higher crude protein (8-10%) on dry weight basis in their roots. The clones
exhibited high variation for crude protein in tubers with a range of 1.11% - 10.40% and 0.37% to
2.74% on dry and fresh weight basis respectively. Of the sixteen high protein clones, four clones viz.
CPH-75, CPH-105, CPT-88, CPT-109 had crude protein at levels of >2.0% (fresh weight basis).
Crude protein content of cassava had high significant negative correlations of -0.4812 and -0.4741
with dry matter and starch contents respectively. Present study revealed high variation for root dry
matter (7.57%-49.60% ) and starch content (4.01%-42.00% ) among inbred lines (S2 ) of elite
cassava clones. Highly significant positive correlation of 0.8187 was observed between dry matter
(DM) percentage and starch in the clonal populations.
Not Available
 
Date 2021-08-04T06:25:55Z
2021-08-04T06:25:55Z
2008-12-01
 
Type Article
 
Identifier Not Available
0378-2409
http://krishi.icar.gov.in/jspui/handle/123456789/52872
 
Language English
 
Relation Not Available;
 
Publisher Indian Society for Root Crops