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A method for promoting early flowering of Rhizoma japonica in open field cultivation

A technology of early flowering and open field cultivation, applied in cultivation, horticultural methods, botanical equipment and methods, etc., can solve problems such as poor effect, achieve better effect, prolong flowering time, and achieve obvious effect

Active Publication Date: 2020-09-11
ZHEJIANG FORESTRY ACAD
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Problems solved by technology

For woody flowers cultivated in the open field, pesticide treatment is a more effective method of flowering regulation, but the effect of pesticides on Rhododendron is less, and the effect is not good

Method used

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  • A method for promoting early flowering of Rhizoma japonica in open field cultivation

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Embodiment

[0025] A method for promoting the early flowering of Rhizoma japonica in the open field, comprising the following steps:

[0026] 1) Pre-stage nursery stock cultivation: the object of the present invention is a plant of Rhododendron japonica cuttings propagated over 7 years old, which has entered reproductive growth, with a crown width of 40*50cm~50*60cm, seedling height of 60~80cm, and is planted in the loess soil in the open air.

[0027] Since June, apply fertilizer diluted 1000 times every 2 weeks, a total of 7 times. The fertilizer contains 10.4% ammonium nitrogen, 10.6% urea nitrogen, 7% water-soluble phosphoric anhydride, 7% water-soluble potassium, and 13 sulfur. %, water-soluble magnesium 0.3%, to promote flower buds and plant growth. In mid-September, flower buds have been formed obviously. There are more than 90 flower buds per plant. 50%-60% of the flower buds are 0.6-0.8cm long and 0.28-0.35cm in diameter. Below 125 mg / g, growth regulator treatment was carried ou...

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Abstract

The invention discloses a method for promoting early blooming of Rhododendron ovatum cultivated in an open field, relates to a method for promoting early blooming of plants and aims to solve the problems that a pesticide has little influence and a poor effect on Rhododendron as for woody ornamental plants cultivated in the open field. The method comprises steps as follows: 1) nursery stock cultivation at the earlier stage; 2) treatment of a growth regulator: GA3 with the concentration of 180-220 mg / L is uniformly sprayed to plant leaves at 3-4 pm on a rainless day, so that 90% of or more leaves make contact with a GA3 solution, and the dosage for a single plant is determined to be 250-300 mL according to the size of the plant; the solution is sprayed once every 6-8 days and continuously sprayed 3-5 times within 26-30 days in total; no fertilizer is applied during spraying of the growth regulator; 3) fertilization management in the later period of treatment; 4) natural growth management in the later period of treatment; 5) blooming management. According to the technical scheme, the flower promoting time is short, the operation is simple and more convenient, and more time is saved.

Description

technical field [0001] The invention relates to a method for promoting early flowering of plants, in particular to a method for promoting early flowering of Rhododendron japonica cultivated in the open field. Background technique [0002] Rhododendron L. is the largest genus in the Rhododendron family (Ericaceae), with about 1000 species in the world, and about 542 species of Rhododendron in my country. Rhododendron (collectively referred to as Rhododendron) is a famous flower in the world and a traditional famous flower in my country. She has gorgeous flowers, various types, and unique landscapes, so she is favored by people, and occupies an important position in landscaping, landscaping, and family potting. [0003] Rhododendron ovatum (R. ovatum) is a subgenus of Rhododendron ovatum, endemic to China, and a wild rhododendron with great development potential. The flower colors of horse silver flower are lavender, purple and pink, with large flower volume, elegant color a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G7/06
CPCA01G7/06A01G17/005
Inventor 杨华宋绪忠
Owner ZHEJIANG FORESTRY ACAD
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