EFFECT OF SEED TREATMENTS WITH BIOAGENTS AND FUNGICIDES ON SEED QUALITY AND YIELD OF SOYBEAN GENOTYPES

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dc.contributor.advisorRAJESWARI, B
dc.contributor.authorSUNIL KUMAR, S
dc.date.accessioned2016-08-26T14:47:05Z
dc.date.available2016-08-26T14:47:05Z
dc.date.issued2004
dc.description.abstractFreshly harvested seeds of popular soybean varieties LSB-3, JS-335 and MACS-450 were collected from Agricultural Research Station, Adilabad and treated with bioagents (Trichoderma viride, Trichoderma harzianum, Bacillus substillis and Pseudoman fluorescens) and fungicides (thiram, thiram + carbendazim) and maintaining untreated control. After seed treatment the seeds were sown in field with three replications duly adopting Split Plot Design in order to find out the effect of seed treatments on incidence of seed borne diseases, plant growth parameters, yield and yield components. After seed treatment another portion of seed material of the above soybean genotypes were packed in cloth bag and polylined cloth bag for assessment of seed quality, seedling vigour and storability and data were subjected for Factorial Randomized Block Design (FRBD). The germination percentage, seedling vigour, field emergence and storability were high in seed treatments particularly thiram, thiram + carbendazim and T.viride as a result of suppression of seed borne mycoflora and maintenance of strong membrane integrity. Seeds packed in vapour proof container (polylined cloth bag) were also effective in improving the seed quality, seed germination, seed health, seedling vigour and storability in all the soybean genotypes. Total dry matter production, number of seeds per pod, number of seeds per plant, plant stand, 100 seed weight, seed recovery percentage, seed yield per plant and seed yield per hectare were increased with seed treatments particularly thiram, thiram+carbendazim and T.viride. An untreated plot recorded 987 kg ha-1 and it was inferior to seed treatments. The additional increase of yield per hectare over control were 616, 508, 346 kgs in LSB-3, 941, 836, 668 kgs in JS-335 and 851, 655, 569 kgs in MACS-450 with thiram, thiram + carbendazim and T.viride respectively. Thus it is recommended that seed treatments in soybean either with thiram or thiram + carbendazim and T.viride were found effective and beneficial to the farmers for reducing the incidence of seed borne pathogens (Cercospora kikuchi, Colletotrichum dematium, Alternaria alternate, Macrophomina phaseolina, Soybean mosaic virus, leaf crinkle virus, yellow mosaic virus and peanut bud necrosis virus) and getting better quality seed and yield in soybean genotypes.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/73925
dc.language.isoenen_US
dc.publisherACHARYA N. G. RANGA AGRICULTURAL UNIVERSITY RAJENDRANAGAR, HYDERABADen_US
dc.relation.ispartofseriesD7314;
dc.subSeed Science and Technology
dc.subjectEFFECT, SEED, TREATMENTS, WITH BIOAGENTS, FUNGICIDES, SEED, QUALITY, YIELD, SOYBEAN, GENOTYPESen_US
dc.these.typeM.Sc
dc.titleEFFECT OF SEED TREATMENTS WITH BIOAGENTS AND FUNGICIDES ON SEED QUALITY AND YIELD OF SOYBEAN GENOTYPESen_US
dc.typeThesisen_US
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