不同镉和铁含量下小麦的生长和酶活性

IF 0.4 4区生物学 Q4 PLANT SCIENCES

Bangladesh Journal of Botany Pub Date : 2023-10-12 DOI:10.3329/bjb.v52i3.68894

Tapan Adhikari

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引用次数: 0

摘要

在溶液培养实验中，研究了镉（Cd）和铁（Fe）对阿蒂尔和内盖夫小麦品种生长的影响。根据 Geochem-PC 模型，制定了四种不同的 pCd（-log 游离 Cd+2 活性）组合（0、7.9、8.2 和 8.5）和两种 pFe（-log 游离 Fe+2 活性）水平（17.0 和 17.6）作为实验处理。在 7.9 pCd 水平下，小麦品种 Atir 和 Negev 的嫩枝干物质产量分别减少了 80% 和 74%。Atir 是对植物金粉体（PM）释放率最敏感的基因型。两个品种的超氧化物歧化酶（SOD）和过氧化物酶（POD）酶活性的变化都是从较低的 pCd 水平开始的。孟加拉植物学杂志》（Bangladesh J. Bot.52(3):755-761，2023 年（9 月）

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Growth and enzyme activity of wheat under varying levels of cadmium and iron

Effects of cadmium (Cd) and iron (Fe) on growth of Atir and Negev varieties of wheat in solution culture experiment was investigated. Based on Geochem-PC model, four different combinations of pCd (-log free Cd +2 activity) such as (0, 7.9, 8.2 and 8.5) and two levels of pFe (-log free Fe+2 activity) such as (17.0 and 17.6) were formulated as experimental treatments. Shoot dry matter yield of wheat cultivars viz. Atir and Negev were reduced to 80 and 74% at 7.9 pCd level. Atir was the most sensitive genotype for the rate of phytometallophore (PM) release. Alterations in superoxide dismutase (SOD) and peroxidase (POD) enzyme activities were initiated from lower pCd level for both the varieties. Bangladesh J. Bot. 52(3): 755-761, 2023 (September)

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来源期刊

Bangladesh Journal of Botany 生物-植物科学

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

9 months

期刊介绍： Bangladesh in situated on the north of Bay of Bengal. Climatically it is a humid subtropical country. Most of the land is deltaic plain of two great rivers, the Ganges and the Bhrammaputra and it tributaries. The country has rich diversity of plants. Main crops cultivated are Rice, Jute, Wheat, Maize, Sugarcane, Mustard and different kinds of Lentils. There are a good number of Public and Private Universities and Plant Research Establishments. Bangladesh Journal of Botany is the official organ of the Bangladesh Botanical Society established in 1972. Since 1972 Bangladesh Journal of Botany is being published regularly. Two issues of the Journal are published, one in June and another in December. Scientific papers (Full paper and short communication) on any field of Plant Sciences from anywhere in the World are considered for publication in Bangladesh Journal of Botany.