Effect of nitrates on the reproduction of cucumber green mottle mosaic virus, on protein, DNA and RNA content, and on the nitrate reductase activity in cucumber

acids chemicophysical properties composition crops cucumis cucumis sativus cucurbit vegetables cucurbitaceae cucurbitales dicotyledons dna economic plants enzymic activity fruit vegetables inorganic compounds nitrates nucleic acids nucleic compounds organic acids organic compounds physiological functions physiology plant viruses plants protein content reproduction rna salts vegetable crops viruses