乌克兰右岸森林草原条件下防风草品种的光合活性

O. Komar, O. Shemetun, V. Komar
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引用次数: 1

摘要

由于防风草生产的集约化,出现了一个问题,即澄清应确保其高生产力的栽培技术要素。品种植物资源的利用是农业最重要的组成部分之一,是国家经济社会发展的基础。最有效和最具成本效益的办法是广泛引进新品种和杂交种,这些新品种和杂交种对其种植的土壤条件和气候带的适应程度由遗传决定。光合生产力形成的动态指标是每种作物产量的基础。本研究的目的是研究乌克兰右岸森林草原条件下防风草品种叶片表面形成的动态。所研究的防风草播种品种形成了一个高面积的主动同化面,其动态取决于器官发生阶段、当年土壤和气候条件以及品种特征。生长季平均叶面积最高(49.0 ~ 49.6万m2 / ha),光合潜能最高(179 ~ 183万m2 / ha),光合净生产力最高(5.56 g / m2 / ha)。在乌克兰右岸森林草原的条件下,为了获得稳定的高产(每公顷44.4-45.4吨)和根茎作物的适销性(85-93%),有必要播种高产品种的防风草,播种Stymul和Pulse。
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Photosynthetic activity of parsnip varieties in the conditions of the Right-bank Forest-steppe of Ukraine
Due to the intensification of production of parsnip, the question arises to clarify the elements of cultivation technology that should ensure its high productivity. The use of varietal plant resources is one of the most important parts of agriculture - the basis of economic and social development of the state. The most efficient and cost-effective is the widespread introduction of new varieties and hybrids with a genetically determined level of adaptation to the conditions of soil and climatic zones of their cultivation. The indicator of the dynamics of the formation of photosynthetic productivity is the basis of the yield of each crop. The purpose of the research was to study the dynamics of leaf surface formation in varieties of parsnip in the conditions of the Right-Bank Forest-Steppe of Ukraine. The studied cultivars of parsnip sowing formed a high area of active assimilation surface, the dynamics of which depends on the stage of organogenesis, soil and climatic conditions of the year and varietal characteristics. With the highest average for the growing season leaf area (49.0-49.6 thousand m2 on ha), photosynthetic potential (1.79-1.83 million m2 per day on ha) and net productivity of photosynthesis - 5.56 g on m2 per day) were characterized by varieties Stymul and Pulse in terms of other varieties. It is established that in order to obtain stably high yield (44.4-45.4 t on ha) and marketability of root crops (85-93%) in the conditions of the Right-Bank Forest-Steppe of Ukraine it is necessary to sow highly productive varieties of parsnip sowing Stymul and Pulse.
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