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  1. Kerala Agricultural University Digital Library
  2. 1. KAUTIR (Kerala Agricultural University Theses Information and Retrieval)
  3. PG Thesis
a
Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/7925
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DC FieldValueLanguage
dc.contributor.advisorKumara Pillai, P-
dc.contributor.authorSathya Das, E-
dc.date.accessioned2020-06-26T11:17:01Z-
dc.date.available2020-06-26T11:17:01Z-
dc.date.issued1964-
dc.identifier.citationCoAV TH-54en_US
dc.identifier.siciCoAV TH-54en_US
dc.identifier.urihttp://hdl.handle.net/123456789/7925-
dc.description.abstractThe present investigation is undertaken to study the effects of gibberellic acid on the cereal, rice (Oryza sativa. L). The hormone was used at concentrations of 25,50,75, 100 and 125 ppm., as spray application on the 21 days old seedlings. Three stages of applications namely spraying once in a week , once in two weeks and once in three weeks were tried. A pot culture experiment was conducted adopting a randomised block design. The effect of gibberellic acid on the height of plants, number of tillers, time of flowering, fresh and dry weight of stem, length of the ear heads, number of leaves , dry weight of the roots and the yield were studied. Of these only height of the plants was influenced significantly by the treatments. Marked shoot elongation was observed in the gibberellic acid treated plants. The maximum response was at the level of 100 ppm. Weekly spraying is better than spraying once in two weeks and once in three weeks.en_US
dc.language.isoenen_US
dc.publisherDivision of Agricultural Botany, Agricultural College & Research Institute, Vellayanien_US
dc.subjectSeed germinationen_US
dc.subjectStem elongationen_US
dc.subjectEffects of foliageen_US
dc.subjectFertility and sex expressionen_US
dc.subjectRice-
dc.titleStudies on the effect of gibberellic acid on the growth and yield in rice (Oryza sativa, L)en_US
dc.typeThesisen_US
Appears in Collections:PG Thesis

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