本文選題：灰棗　切入點：區(qū)域氣候　出處：《新疆大學》2017年碩士論文　論文類型：學位論文

【摘要】：海拔1700米以下的山區(qū)、丘陵或平原是棗的主要生長地。本種屬于中國,目前亞洲、歐洲和美洲都有栽培。為了探究不區(qū)域農(nóng)業(yè)氣候因子對灰棗果實品質(zhì)的影響,本研究通過對2013年-2016年灰棗栽植區(qū)的新疆若羌縣、阿克蘇市以及灰棗本種地河南新鄭市整個生長期累年月溫濕度、降水量、日照等11氣候因子的基礎(chǔ)上,利用“異地同等栽培比較法”分析三地氣候因子和灰棗果實品質(zhì)的相關(guān)性與差異性,并結(jié)合線性回歸分析,建立兩者之間的回歸線性方程模型探究棗果糖組分含量、總黃酮含量、含酸量、Vc含量、蛋白質(zhì)含量等17項指標與11項氣候因子內(nèi)在影響聯(lián)系,并遴選出對灰棗果實品質(zhì)指標作用顯著的氣候因子。結(jié)論如下:(1)累年月平均溫度對棗果VC含量、單寧含量、游離氨基酸含量和總黃酮含量有促進作用,溫度越高,棗果VC含量(單寧含量、游離氨基酸含量、總黃酮含量)越高,新鄭尤為顯著。阿克蘇、若羌、新鄭三地在1-3月和6-12月,累年月平均氣溫趨勢為新鄭若羌阿克蘇;4-5月三地累年月平均氣溫趨勢為若羌新鄭阿克蘇,而三地棗果單寧含量等為若羌最高。其中累年月平均日較差對棗果可溶性糖含量、VC含量、游離氨基酸含量和總黃酮含量有促進作用。(2)累年平均日照時長對棗果單寧含量、游離氨基酸含量和總黃酮含量影響有促進作用。三地累年月平均日照時長趨勢為阿克蘇、若羌遠大于新鄭,阿克蘇與若羌相差不大,而果實單寧(游離氨基酸、總黃酮)含量為若羌最高。(3)累年平均相對濕度對棗果的含酸量和花青素含量有促進作用,對VC、可溶性糖含量有抑制作用,相對濕度越大,棗果含酸量和花青素越高,VC和可溶性糖含量越少。其中累年月最少降雨量對果實可溶性糖、蛋白質(zhì)、單寧、總多酚含量有促進作用。(4)若羌受氣候因素影響最小,較其他兩地相比溫度適中,降雨量少,日照時長適中,相對濕度小,但在主要的果實品質(zhì)指標(可溶性糖、蛋白質(zhì)、VC等)上較其他兩地有明顯優(yōu)勢。因此若羌(較阿克蘇和新鄭比較)為最適灰棗生長地區(qū)。
[Abstract]:Mountain areas below 1700 meters above sea level, hills or plains are the main growing areas of jujube. This species is cultivated in China, Asia, Europe and America. On the basis of 11 climatic factors such as temperature, humidity, precipitation, sunshine and so on in the whole growing period of Xinzheng City, Henan Province from 2013 to 2016, in Ruoqiang County, Aksu City and Zizyphus jujuba planting area in Xinjiang, this study studied the climatic factors, such as temperature, humidity, precipitation, sunshine and so on. The correlation and difference of climate factors and fruit quality of Chinese jujube were analyzed by using the method of comparative cultivation in different places, and the regression linear equation model between them was established to study the content of fructose in jujube. Total flavonoids content, acid content, protein content and other 17 indexes were related to 11 climatic factors. The climatic factors which play a significant role in fruit quality index of Zizyphus jujuba were selected. Conclusion: the monthly average temperature can promote the VC content, tannin content, free amino acid content and total flavonoids content of jujube fruit, and the higher the temperature is, the higher the temperature is. The higher the VC content of jujube fruit (tannin content, free amino acid content, total flavonoids content), the more significant Xinzheng is. The monthly mean temperature trend of Xinzheng Ruoqiang Aksu is that of Xinzheng Xinzheng Aksu from May to May. The content of tannin in the fruit of Ziziphus jujuba was the highest in Ruoqiang, in which the monthly average daily range promoted the content of soluble sugar (VC), the content of free amino acid and the content of total flavonoids. The effects of free amino acid content and total flavonoids content on the average sunshine duration of the three regions were as follows: Aksu, Ruoqiang was much larger than Xinzheng, the difference between Aksu and Ruoqiang was not significant, but the tannin of fruit was free amino acid. The content of total flavonoids was the highest in Ruoqiang. 3) the annual average relative humidity promoted the acid content and anthocyanin content of jujube fruit, and inhibited the content of VC and soluble sugar. The higher the relative humidity was, the higher the relative humidity was. The higher the content of acid and anthocyanin in jujube fruit is, the less VC and soluble sugar are. Among them, the least amount of rainfall in every year has a promoting effect on the contents of soluble sugar, protein, tannin and total polyphenols.) Ruoqiang is the least affected by climatic factors. Compared with other two places, the temperature is moderate, rainfall is less, sunshine duration is moderate, relative humidity is low, but in the main fruit quality index (soluble sugar), Therefore, Ruoqiang (compared with Aksu and Xinzheng) is the most suitable growing area for jujube.
【學位授予單位】：新疆大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：S665.1;S162.55

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