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Method for increasing seeding rate of robinia pseudoacacia seed producing seed trees

A technology of black locust and mother tree, applied in horticultural methods, botanical equipment and methods, horticulture, etc., can solve the problem of low seed formation rate of black locust clone seed orchard, achieve continuous seed formation ability, ensure nutrient supply, and reduce nutrient The effect of consumption

Inactive Publication Date: 2019-03-08
宁玉生
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Problems solved by technology

[0004] Aiming at the problem of low seed formation rate of black locust clone seed orchard, the present invention provides a method for improving the seed formation rate of black locust seed collection mother tree

Method used

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Experimental program
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Embodiment 1

[0024] This embodiment provides a kind of method that improves the seeding rate of the mother tree of black locust seed collection, and the implementation object of this embodiment is the national black locust fine seed base (115 ° 54 '~119 ° 15 ' east longitude, 40 ° 12 ' north latitude ~42°40′; average altitude 688m, mountainous slopes with an average slope of about 15°; annual average temperature of 6.6°C, annual average rainfall of about 540mm, frost-free period of 120-130 days; soil type is yellow sandy soil with a thickness of 50cm , belongs to the middle soil; the soil organic matter content is about 1.0%; the soil pH value is between 6.5 and 7.5, which is slightly acidic) 200 black locust mother trees of 10 clones in the seed garden.

[0025] Since 2012, 200 black locust mother trees of 20 clones were divided into control group and test group in four large areas of the seed garden of the base, with 100 trees in each group. The specific method of trimming the test group...

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Abstract

The invention relates to the technical field of robinia pseudoacacia cultivation, in particular to a method for increasing the seeding rate of robinia pseudoacacia seed producing seed trees. The method specifically comprises the steps of shaping and trimming, and a trimming method comprises the steps that lateral branches at the outermost ends of the robinia pseudoacacia seed trees at the seedingstage are divided into seeding branches and growing branches; the seeding branches are trimmed again in the middle ten days of April, and good branches of the growing branches are subjected to full-branch cultivation in the first ten-day period of May; next year, alternating of the seeding branches and the growing branches is carried out. According to the method, alternate seeding and trimming operation are combined, so that the seeding rate is increased, the seed yield is obviously increased, and the seed quality is obviously improved.

Description

technical field [0001] The invention relates to the technical field of black locust breeding, in particular to a method for improving the seed formation rate of a black locust seed-collecting mother tree. Background technique [0002] Robinia pseudoacacia is suitable for a wide range of growth and has a fast growth rate. It has multiple uses such as providing wood, maintaining water and soil, preventing wind and sand, and can be used as a nectar source and feed material. The excellent clones of Robinia pseudoacacia can maintain the inherent characteristics of Robinia pseudoacacia, the offspring have the same traits, the clones have significant differences, the growth period and growth are relatively neat, the shoot size, tenderness and color are relatively similar, and they have strong stress resistance. It is an excellent variety of forest ecological protection forest and urban green belt. [0003] Through the investigation of the existing black locust clone seed garden, i...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G7/06
CPCA01G7/06A01G17/005
Inventor 宁玉生
Owner 宁玉生
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