Title : Genetic assessment for weed suppressive ability and vesicular arbuscular mycorrhiza VAM association of rice oryza sativa L cultivars in organic culture condition

Type of Material: Thesis
Title: Genetic assessment for weed suppressive ability and vesicular arbuscular mycorrhiza VAM association of rice oryza sativa L cultivars in organic culture condition
Researcher: Deb Roy, Swapan
Guide: Borgohain, Rupam
Department: Plant Breeding and Genetics
Publisher: Assam Agricultural University, Johrat
Place: Johrat
Year: 2022
Language: English
Subject: Plant Breeding
Genetics
Agricultural Sciences
Life Science
Dissertation/Thesis Note: PhD; Plant Breeding and Genetics, Assam Agricultural University, Johrat, Johrat; 2022
Fulltext: Shodhganga

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035__|a(IN-AhILN)th_462826
040__|dIN-AhILN|aASAM_785013
041__|aeng
100__|eResearcher|aDeb Roy, Swapan
110__|aPlant Breeding and Genetics|0U-0048|dJohrat|bAssam Agricultural University, Johrat|ein
245__|aGenetic assessment for weed suppressive ability and vesicular arbuscular mycorrhiza VAM association of rice oryza sativa L cultivars in organic culture condition
260__|aJohrat|c2022|bAssam Agricultural University, Johrat
300__|dDVD
502__|d2022|bPhD|cPlant Breeding and Genetics, Assam Agricultural University, Johrat, Johrat
518__|d2022|oDate of Award
518__|d2016|oDate of Registration
518__|oDate of Completion|d2022
520__|aRice cultivation in direct seeded condition encounter a lot weed pressure as compared to wet condition leading to considerable yield loss. Organic direct seeded rice face two major constraints in the early growth stage viz. profound weed competition and poor soil nutrient availability due to non-application of inorganic fertilizers. This makes the situation challenging because of lower production. Development of a weed suppressive variety coupled with higher Vesicular Arbuscular Mycorrhiza (VAM) colonization in the root might be a wholesome approach to mitigate the overall weed problem, water scarcity and poor nutritional status of direct seeded organic production system. An effort was made in the present investigation to study the genetic variability with respect to weed suppressive ability and VAM colonization rate among 50 rice genotypes grown by the farmers in the north eastern India. The genotypes comprised of Jhum, Ahu and Sali cultivars (including joha, bora and bao rice). Attempt was also made to el
650__|aAgricultural Sciences|2UGC
650__|aLife Science|2AIU
653__|aPlant Breeding
653__|aGenetics
700__|aBorgohain, Rupam|eGuide
856__|uhttp://shodhganga.inflibnet.ac.in/handle/10603/468501|yShodhganga
905__|afromsg

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