PHYSIOLOGICAL EFFECTS OF BORON, BRASSSINOSTEROIDS AND SALICYLIC ACID ON DRYMATTER PARTITIONING AND YIELD OF CHICKPEA (Cicer arietinum L.)

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dc.contributor.advisorDr. K. L. NARASIMHA RAO
dc.contributor.authorNAGARAJU, S
dc.date.accessioned2017-10-12T08:48:05Z
dc.date.available2017-10-12T08:48:05Z
dc.date.issued2015
dc.descriptionD5190en_US
dc.description.abstractThe present investigation entitled “Physiological effects of Boron, Brasssinosteroid and Salicylic acid on drymatter partitioning and yield of chickpea (Cicer arietinum L.)” was undertaken at the Agricultural College Farm, Bapatla during rabi 2013-14.The experiment was laid out in randomized block design with eight treatments viz., Brassinosteroid @ 1ppm at 25DAS (T1), Salicylic acid @ 20ppm at 35DAS (T2), Borax @ 0.25% at 45DAS (T3), Brassinosteroid @ 1ppm at 25DAS + Salicylic acid @ 20ppm at 35DAS (T4 ), Brassinosteroid @ 1ppm at 25DAS + Borax @ 0.25% at 45DAS (T5), Salicylic acid @ 20ppm at 35DAS + Borax @ 0.25% at 45DAS (T6), Brassinosteroid @ 1ppm at 25DAS + Salicylic acid @ 20ppm at 35DAS + Borax @ 0.25% at 45DAS (T7) and Control (T8) in three replications. Among all the treatments, combination spray of Brassinosteroid at 25DAS + Salicylic acid at 35DAS + Borax at 45DAS (T7) exhibited higher performance by increased plant height by 13.9 per cent. The number of flowers developed in to pods per plant was found high with Brassinosteroid, Salicylic acid and Borax sprays, which resulted in an increase of 11.9, 12.0 and 15.9 per cent respectively compared to control. Flower drop and flower abortion were recorded low in plants treated with combination spray of Brassinosteroid at 25DAS + Salicylic acid at 35DAS + Borax at 45DAS. The plants sprayed with Brassinosteroid at 25DAS + Salicylic acid at 35DAS + Borax at 45DAS (T7) increased the accumulation of dry matter in root, stem and leaves by 35, 46.5 and 64.7 per cent respectively compared to control whereas the spray of Brassinosteroid at 25DAS + Salicylic acid at 35DAS + Borax at 45DAS (T7) accumulated 20.16 per cent higher amount of pod dry matter, and 27.14 per cent higher total biomass than control. The higher values of CGR was noticed during 55 DAS – 70 DAS with combination foliar spray of Brassinosteroid at 25DAS + Salicylic acid at 35DAS + Borax at 45DAS (T7) and it was 39.65 per cent higher than control. Maximum RGR was observed during 25-40 DAS with foliar application of Brassinosteroid at 25DAS + Salicylic acid at 35DAS + Borax at 45DAS (T7) by 38.23 per cent compared to control. Brassinosteroid +Salicylic acid +Borax sprays maintained high RWC in leaves. Chlorophyll a, chlorophyll b, carotenoids and total chlorophyll were found higher than control due to spray of combination of Brassinosteroid + Salicylic acid + Borax (T7), followed by Salicylic acid + Borax (T6). Nitrate reductase activity was influenced mainly by Borax spray. The Protein content in seeds was observed 13 per cent higher than control by Brassinosteroid + Salicylic acid + Borax spray (T7).en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810032979
dc.keywordsBORON, BRASSSINOSTEROIDS, SALICYLIC ACID, PARTITIONING, YIELD OF CHICKPEA, Cicer arietinum L.en_US
dc.language.isoen_USen_US
dc.pages129en_US
dc.publisherAcharya N.G. Ranga Agricultural University, Gunturen_US
dc.research.problemPHYSIOLOGICAL EFFECTS OF BORON, BRASSSINOSTEROIDS AND SALICYLIC ACID ON DRYMATTER PARTITIONING AND YIELD OF CHICKPEA (Cicer arietinum L.)en_US
dc.subCrop Physiologyen_US
dc.subjectnullen_US
dc.themePHYSIOLOGICAL EFFECTS OF BORON, BRASSSINOSTEROIDS AND SALICYLIC ACID ON DRYMATTER PARTITIONING AND YIELD OF CHICKPEA (Cicer arietinum L.)en_US
dc.these.typeM.Scen_US
dc.titlePHYSIOLOGICAL EFFECTS OF BORON, BRASSSINOSTEROIDS AND SALICYLIC ACID ON DRYMATTER PARTITIONING AND YIELD OF CHICKPEA (Cicer arietinum L.)en_US
dc.typeThesisen_US
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