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Pruning method for promoting high yield of paeonia ostii seeds

A technology of shaping pruning and pruning methods, applied in horticultural methods, botanical equipment and methods, horticulture, etc., can solve the problems of lack of systematic research on high and stable yield of adult trees, and achieve reasonable spatial distribution, uniform distribution, and early flowering and fruiting. Effect

Inactive Publication Date: 2015-03-11
NANJING AGRICULTURAL UNIVERSITY +1
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Problems solved by technology

[0006] The above pruning methods are indeed effective for increasing the number of branches of Fengdan and cultivating more flowering branches, but there is still a lack of systematic research on what kind of tree shape Fengdan should build and how to maintain high and stable yields of adult trees

Method used

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Embodiment 1

[0029] Below in conjunction with embodiment the present invention will be further described.

[0030] A method for shaping and pruning to promote the high yield of oil peony-Fengdan seeds, the steps are as follows:

[0031] (1) Fixed dry: 2-year-old Fengdan seedlings were planted on October 14, 2010, and every 667m before planting 2 25kg of sheep manure and 3kg of "Aolu No. 5" slow-release fertilizer were applied to the soil; the row spacing between plants was 40cm×50cm, and after planting, they were fixed at a distance of 15cm from the ground;

[0032] (2) Choose to keep the main branch: before the germination on February 15, 2011, topdress each tree with 50g of compound fertilizer, and spray 0.1% concentration of rare earth fertilizer on the leaves; on March 16, when the germination grows to 8-10cm , using the 1-year-old shoots or the current-year-old shoots that germinated on the main trunk, select 5 suitable distances and orientations, that is, there is a vertical distanc...

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Abstract

The invention discloses a pruning method for promoting the high yield of paeonia ostii seeds. The method includes the following steps of firstly, conducting cutting back and determining main branches on the position 15 cm to 20 cm away from the ground in the year when field planting is conducted; secondly, selecting and keeping the main branches in the second year, wherein 5 to 6 main braches are selected at the beginning of spring, removing sprouting buds on the main branches and roots, selecting 3 main branches in winter, and reserving 4 to 5 short buds; thirdly, selecting and keeping primary side branches in the third year; fourthly, selecting and keeping secondary side branches in the fourth year. By means of the pruning measures, paeonia ostii plants are cultivated into the natural open center tree shape, the number of the branches is large, the branches are evenly distributed, ventilating and light transmitting are achieved, blossoming and bearing are achieved a year in advance, the fruit bearing amount is large, and the seed yield is high.

Description

technical field [0001] The invention belongs to the technical field of high-yield cultivation of peonies for oil—Fengdan seeds, and relates to a shaping and pruning method for promoting the high-yield of Fengdan seeds. Background technique [0002] Peony seed oil is a kind of pure natural green edible oil newly developed in recent years, and won the title of "new resource food" promulgated by the Ministry of Health in March 2011. Peony seed oil is rich in unsaturated fatty acids, a variety of essential amino acids, various vitamins, minerals, squalene, flavonoids and polyphenols and other active ingredients, of which the content of α-linolenic acid is more than 40%, which is a An edible oil with high nutritional and health effects. Paeonia ostti (Paeonia ostti) has been popularized and planted in many provinces across the country in recent years as an oil peony variety because of its large seed setting, high oil yield, wide adaptability, and strong growth vigor. Fengdan wa...

Claims

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Application Information

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IPC IPC(8): A01G7/06
CPCA01G7/06
Inventor 徐迎春言燕华韦武青祝有为王彦杰金奇江
Owner NANJING AGRICULTURAL UNIVERSITY
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