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Soaking seeds of Lens culinaris with 28‐homobrassinolide increased nitrate reductase activity and grain yield in the field in India
Author(s) -
HAYAT S,
AHMAD A
Publication year - 2003
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.2003.tb00276.x
Subject(s) - loam , nitrate reductase , sowing , biology , agronomy , yield (engineering) , nitrate , nitrogen , horticulture , grain yield , field experiment , chemistry , soil water , materials science , ecology , organic chemistry , metallurgy
Summary Surface‐sterilised seeds of Lens culinaris cv. Pusa‐6 were soaked in 0 M, 10 −6 M, 10 −8 M or 10 −10 M aqueous solutions of 28‐homobrassinolide (HBR) for 4 h, 8 h or 12 h and planted in the field in a sandy loam soil. Plants were sampled 60, 90 and 120 days after sowing (DAS). Soaking with HBR decreased root length and nodule number per plant but increased nitrate reductase activity (E.C.1.6.6.1). Soaking with HBR also increased grain yield at the final harvest 140 DAS. The greatest increase was obtained with an HBR concentration of 10 −8 M.