Experimental method for influence of external applying of spermidine to blueberry drought resistance
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An experimental method, the technology of spermidine, applied in horticultural methods, botany equipment and methods, horticulture, etc., can solve the problems of low drought resistance and low fruiting rate of blueberries, achieve enhanced photosynthetic rate, control precise experimental conditions, and improve The effect of leaf relative water content
Active Publication Date: 2016-06-29
ZHEJIANG FORESTRY UNIVERSITY
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[0004] The purpose of the present invention is to overcome above-mentioned deficiencies in the prior art, provide a kind of experimental method of externally applying spermidine to blueberry drought resistance, it is a...
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[0049] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below through the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.
[0050] The embodiment of the present invention provides an experimental method for the effect of external application of spermidine on blueberry drought resistance, comprising the following steps:
[0051] Step 1. Material preparation:
[0052] The annual highbush blueberry plants were selected as experimental materials, with similar size and height, complete structure, no pests, mechanical damage, and p...
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Abstract
The invention discloses an experimental method for influence of external applying of spermidine to blueberry drought resistance. The method comprises the following steps of material preparation, setting treatment, content and parameter measurement and data analysis. The experimental method for the influence of external applying of spermidine to the blueberry drought resistance provided by the invention is implemented by setting three different experimental drought conditions (normal moisture, medium drought and heavy drought) and treating under experimental conditions of spraying and not spraying the spermidine; the result shows that by means of spraying the spermidine under the same stress condition, the photosynthetic rate of blueberry in a drought condition can be enhanced, the activity of antioxidase in a plant body is improved, the content of malondialdehyde (MDA) is reduced, the accumulation of soluble sugar content in a plant cell is reduced, the IAA (auxin) content and the ABA (Abscisic acid) content are reduced through inducement, and the GA (Gibberellic Acid) content and in-vivo polyamine content are increased; in addition, obvious effects of improving the leaf relative water content, specific leaf weight and relative electrical conductivity of the blueberry under the drought condition are achieved by means of spraying the spermidine, so that a scientific evidence is provided for the drought resistance research of the blueberry.
Description
【Technical field】 [0001] The invention relates to the technical field of research on the effect of blueberry drought resistance, in particular to an experimental method for the effect of external application of spermidine on blueberry drought resistance. 【Background technique】 [0002] Blueberry, also known as lingonberry, belongs to Rhododendronaceae, lingonberry is a clustered shrub, small berry, with high economic value, its fruit is blue or red, the flesh is delicate, with a clear fragrance, and the fresh flavor is excellent. In addition to fresh food, it can also be processed into various processed products such as wine, fruit juice drinks, jams, preserves, and candies. In addition to sugar, acid, VC and rich mineral elements, the fruit also contains special nutrients that are rarely contained in other fruits, such as arbutin, flavonoids, vitamin E, vitamin A, etc. According to research by American scientists, blueberry fruit has unique effects such as strengthening th...
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