699 research outputs found

    Avaliação de clones de cupuacuzeiro (Theobroma grandiflorum (Willd. ex Spreng) K. Schumm.) quanto a tolerância a vassoura-de-bruxa (Crinipellis perniciosa (Stahel) Singer).

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    bitstream/item/39896/1/Com-Tec-28-Am-Oriental.pd

    Queima das folhas de Heliconia bihai cv. Lobster Clow.

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    Resumos do XXXVIII Congresso Brasileiro de Fitopatologia. Resumo 555

    Tecnologia de sementes de espécies florestais nativas da Amazônia.

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    Laboratório de sementes florestais; Introdução; Estudos de germinação; Tamanho e forma de sementes; Fitopatologia de sementes.bitstream/item/49443/1/fd090001.pdf1 folder

    Queima da teia micélica em maracujazeiro no Estado do Pará: sintomatologia e controle.

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    bitstream/item/59289/1/CPATU-ComTec97.pd

    Preparation of 3-Bromo-1,2,4,5-tetrazine

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    In this synthetic procedure, a seven-step protocol for the preparation of monosubstituted 3-bromo-1,2,4,5-tetrazine is presented. The procedure features efficient transformations and purification methods starting from commercially readily available starting materials and affords the title compound on a gram scale with 13 % overall yield in reliable purity (>97 %). Detailed experimental procedures, supported by images and additional notes, allow the preparation of a valuable advanced building block, enabling further applications in bioconjugation, protein labelling, bio-orthogonal chemistry, heterocycle syntheses, high energy materials, and drug release, among others.
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