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Seedling growth response of Seriphidium quettense to water stress and non-water stress conditions Phyton
Ahmad,S; Gul,S; Achakzai,AKK; Islam,M.
Seedling growth and development of Seriphidium quettense were examined under water stress (WS) and non-water stress (NWS) conditions. Seedlings were grown in pots to investigate their response to NWS conditions. Impact of WS on seedling growth was assessed in pre-existing plants grown under a semi-arid, natural environment. Seedling growth attributes were recorded on a monthly basis. Seedling growth exhibited a significant positive response under NWS conditions. Length of the main root axis at the first leaf emergence stage was 5.69 cm under NWS conditions; however, it was 4.8 cm in the natural environment (WS). At the end of the growing season, length of their primary root was 118 cm in NWS conditions. At the same time, it reached 8.8 cm in the WS natural...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Seriphidium quettense; Root and shoot growth; Water stress.
Ano: 2010 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572010000100004
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Shoot and root responses of Trifolium vesiculosum to boron fertilization in an acidic Brazilian soil BABT
Favaretto,Nerilde; Motta,Antônio Carlos Vargas; Barcik,Cristina; Lustosa,Sebastião Brasil Campos; Comin,Jucinei José.
To analyze the influence of boron fertilization on shoot and root growth of Trifolium vesiculosum (arrowleaf clover), an acid soil profile (60 cm depth with 67% Al saturation) was recreated in a column (three layers of 20 cm each). Lime and fertilizer (P and K) were incorporated into the top 20 cm. The treatments consisted of six boron rates where boric acid was mixed throughout the profile. Addition of boron to soil with low pH and high Al increased the root and shoot growth, independent of the rate applied. Boron inhibited Al toxicity, but no effect was observed in the root length when Al was not present in the soil. It was also observed that there was more root growth below the plow layer (0-20 cm,) suggesting better root distribution in the soil...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Root and shoot growth; Boron; Aluminum; Acidic soil.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000400005
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