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GENETIC DIVERSITY IN BER (ZIZIPHUS MAURITIANA LAM.) VARIETIES FOR LAC PRODUCTION

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Title GENETIC DIVERSITY IN BER (ZIZIPHUS MAURITIANA LAM.) VARIETIES FOR LAC PRODUCTION
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Creator J. GHOSH
V. D. LOHOT
V. SINGHAL,
S. GHOSAL
K. K. SHARMA
 
Subject Ber Ziziphus mauritiana lac insect Kerria lacca lac production Genetic diversity
 
Description Not Available
Farmers grow lac on land races of ber, often whose fruits are of no desirable taste. Fruit varieties of ber have potential to yield good lac and in case of failure of lac crop they will produce marketable fruit. Genetic diversity serves as a way to adopt fruit varieties of ber to changing environments for lac production. It will improve livelihood security of tribal farmers in lac growing area. Present experiment was carried out on fruit varieties of ber in experimental plot of Institute Research Farm of IINRG, Ranchi during 2011-12 and 2012-13. Fruit ber varieties had adequate genetic variation, high heritability (72.5-84.6%) coupled with high genetic advance as
percent of mean (92.5-221%) for chlorophyll content index, reducing sugar, soluble protein and scrapedlac yield. Therefore, phenotypic selection for genetic improvement of these traits will be effective as these traits are under the control of additive gene action. Ber varieties were grouped in three distinct clusters on the basis of morphological, biochemical and physiological markers. Cluster I had 9 varieties, cluster II with 10 varieties (with five varieties of cluster I) and cluster III with 9 varieties (with six common varieties of Cluster II). Most of the high scrapedlac yielding varieties (Seb X Gola F, Jogia, Kaithali, Banarasi Karka) lie in cluster III. Rest of the fourvarieties including CAZRI Gola was not able to form any cluster in this analysis. Genetic manipulation in ber varieties can be done by making divergent crosses to develop potential varieties of ber for lac production.
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Date 2020-05-13T08:36:03Z
2020-05-13T08:36:03Z
2015-11-17
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/35566
 
Language English
 
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Publisher Not Available