【摘要】：隨著科學技術的發(fā)展,數(shù)字農(nóng)業(yè)和虛擬現(xiàn)實技術的交叉學科-虛擬農(nóng)業(yè)研究,已成為當前現(xiàn)代農(nóng)業(yè)領域的研究熱點。我國對于虛擬作物研究的起步較晚,主要針對小麥、玉米、棉花、大麥等常見單莖農(nóng)作物,作為世界性高產(chǎn)水果的葡萄,其虛擬可視化研究還比較少。。本研究以甘肅地區(qū)紅地球品種葡萄作為研究對象,在標準栽培技術下,連續(xù)兩年對該品種葡萄的主干、主蔓、側(cè)蔓、結(jié)果母枝等形狀參數(shù)進行測量,并著重定時測量了結(jié)果母枝上新生枝條的節(jié)間、葉柄、葉片、花序等的幾何參數(shù),以及實驗葡萄園的溫度和風速等氣象數(shù)據(jù),擬合了葡萄新生枝條的生長模型。本文完成了以下研究工作:(1)通過田間實驗觀測,分析研究葡萄各個器官的形態(tài)結(jié)構(gòu)特征和生理發(fā)育特性。(2)通過田間實驗數(shù)據(jù)的采集、整理和分析,研究了葡萄枝條與器官的“S”型生長規(guī)律。通過對幾種“S”型曲線方程的實際對比,選定Richards方程作為葡萄主要器官描述模型,結(jié)合實際測量數(shù)據(jù),確定了葡萄各個器官的生長發(fā)育模型以及生長模型參數(shù)。(3)生長發(fā)育模型檢驗。實驗結(jié)果表明本研究對紅地球葡萄新生枝條的的節(jié)間、葉片、葉柄、花序等器官的生長發(fā)育有很好的預測性,能夠比較準確的擬合葡萄新生枝條的生長動態(tài),符合植物枝條的生物學規(guī)律。實驗研究對進一步構(gòu)建葡萄生長發(fā)育模型奠定了技術基礎,并為最終實現(xiàn)葡萄生長發(fā)育的可視化表達提供了理論依據(jù)。
[Abstract]:With the development of science and technology, the research of virtual agriculture, which is an interdisciplinary subject of digital agriculture and virtual reality technology, has become a hotspot in the field of modern agriculture. The research on virtual crops in China started late, mainly aimed at wheat, corn, cotton, barley and other common single stem crops. In this study, the red earth grape in Gansu area was used as the research object. Under the standard cultivation technique, the shape parameters of the main vine, lateral vine and fruiting mother branch were measured for two years in a row. The geometric parameters of the nodes, petioles, leaves, inflorescences, and the temperature and wind speed of the experimental vineyard were measured at regular intervals to fit the growth model of the new branches of grape. In this paper, the following research works have been completed: (1) through the field experiment observation, to analyze and study the morphological structure and physiological development characteristics of each organ of grape; (2) to collect, organize and analyze the data of the field experiment. The "S" growth pattern of grape branches and organs was studied. Based on the comparison of several "S" curve equations, Richards equation was selected as the description model of main organs of grape, and the actual measured data were combined. The growth model and growth model parameters of each organ of grape were determined. (3) growth and development model test. The results showed that this study could predict the growth and development of new branches of red earth grape, such as internodes, leaves, petioles, inflorescences and so on. It accords with the biological law of plant branches. The experimental study laid a technical foundation for the further construction of grape growth and development model and provided a theoretical basis for the visualization of grape growth and development.
【學位授予單位】：甘肅農(nóng)業(yè)大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：S663.1

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