本文選題：不同 + 營(yíng)養(yǎng)液　； 參考：《寧夏大學(xué)》2017年碩士論文

【摘要】：為了探明葡萄各生育期對(duì)礦質(zhì)元素吸收規(guī)律,本試驗(yàn)以定植于裝有有機(jī)肥控根器中的一年生'早夏黑'葡萄為試驗(yàn)材料,采用霍格蘭氏配方配制5種不同濃度營(yíng)養(yǎng)液,探究了'早夏黑'葡萄在5種處理下,植株?duì)I養(yǎng)生長(zhǎng)及葉片對(duì)礦質(zhì)元素吸收的狀況。研究結(jié)果如下:(1)'早夏黑'葡萄在A組濃度(N180ppm)下,新梢生長(zhǎng)總量達(dá)226.7cm,增長(zhǎng)量為178.4cm。且A組濃度處理下葉面積達(dá)2.75m2,而E組處理下葉面積僅達(dá)2.38m2。新梢長(zhǎng)度、新梢粗度、葉面積及葉綠素含量都表現(xiàn)為A組濃度處理下最高。說(shuō)明高營(yíng)養(yǎng)液濃度下,植株貪青旺長(zhǎng)的現(xiàn)象較為嚴(yán)重。(2)在葡萄整個(gè)生長(zhǎng)過(guò)程中,植株葉片對(duì)礦質(zhì)營(yíng)養(yǎng)素吸收積累規(guī)律表現(xiàn)為:葉片中N、P、K、Zn、B元素在A組濃度(N180ppm)處理下積累量達(dá)到最高;葉片中Ca、Fe、Cu、Mn元素在B組濃度(N120ppm)處理下積累量達(dá)到最高;而葉片中Mg元素在5組處理下變化波動(dòng)很小。(3)'早夏黑'葡萄葉片在整個(gè)發(fā)育期Ca元素積累量為最大,高于N、P、K元素含量。其余微量元素在葡萄整個(gè)生長(zhǎng)期變化規(guī)律較小,在三個(gè)時(shí)期中葡萄葉片F(xiàn)e、Cu元素含量依次降低,Zn、B元素含量則表現(xiàn)為逐漸升高趨勢(shì),而Mn元素積累量在B、C、D、E組濃度下表現(xiàn)為先降低再升高的變化規(guī)律。
[Abstract]:In order to find out the absorption rule of mineral elements in different growth stages of grape, the annual 'early summer black' grape planted in organic fertilizer root-controlling apparatus was used as the experimental material, and five kinds of nutrient solutions with different concentrations were prepared by using Hoagland's formula.The vegetative growth and absorption of mineral elements in leaves of 'early summer black' grape under five treatments were studied.The results showed that the total shoot growth was 226.7 cm and the increase was 178.4 cm under group A concentration (N 180 ppm).The area of lower leaf in group A was 2.75 m2, but that in group E was only 2.38 m2.Shoot length, shoot diameter, leaf area and chlorophyll content were the highest in group A.The results showed that under the high concentration of nutrient solution, the phenomenon of plant greening and growing was more serious in the whole growth process of grape.The regularity of absorption and accumulation of mineral nutrients in plant leaves was as follows: the highest accumulation of elements was obtained under the treatment of group A (N 180 ppm), and the highest amount of element Ca-FeFeCuOmn in leaves under the treatment of group B (N 120 ppm).However, the variation of mg in leaves was very small under the five treatments. The accumulation of Ca in leaves was the largest in the whole development period, which was higher than that in Nu Pu K.The changes of other trace elements in the whole growth period of grape were relatively small, and the content of Fe and Cu in the leaves of grape decreased in turn, and the content of Zn-Zn B increased gradually in the three periods.However, the accumulation of mn was decreased first and then increased.
【學(xué)位授予單位】：寧夏大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：S663.1

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