不同品种春大麦幼苗光合色素基金受真菌影响的特征Shoem

T. Viks, I. Domanskaya, H. Martysiuk, L. F. Kаbashnikova
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引用次数: 0

摘要

研究对象是白俄罗斯育种品种——filmy (Magutny, Raider)和naked (Adamant)的春大麦(Hordeum vulgare L.)绿苗的第一片叶子。以不同树龄(3、5和10 d)的幼苗为研究对象,用真菌双星孢子(Bipolaris sorokiniana, Sacc)侵染。Shoem。−一种蠕虫孢子病病原体,并在感染后2天进行分析。发现大麦品种间在苗期初叶形态参数、光合色素(叶绿素和类胡萝卜素)含量、叶绿素光谱形态比等方面存在品种差异和个体发育差异。结果表明,患蠕虫孢子病的大麦品种在第一叶发育的不同阶段光合色素含量变化幅度不同。
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Feature of the photosynthetic pigment fund in seedlings of different varieties of spring barley when affected by the fungus Bipolaris sorokiniana (Sacc.) Shoem
The objects of research were the first leaves of green seedlings of spring barley (Hordeum vulgare L.) of the varieties of Belarusian breeding − filmy (Magutny, Raider) and naked (Adamant). Seedlings of different age (3, 5, and 10 days old) were infected with spores of the fungus Bipolaris sorokiniana (Sacc.) Shoem. − a causative agent of helminthosporiasis, and were analyzed 2 days after infection. Varietal and ontogenetic differences between barley cultivars in morphological parameters of the first leaves, the content of photosynthetic pigments (chlorophylls (Chl) and carotenoids), and the ratio of spectral forms of Chl at the seedling stage were found. Different amplitudes of changes in the photosynthetic pigment content between the barley varieties with helminthosporiasis at different stages of development of the first leaf were established.
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