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Method for promoting growth of iris germanica lateral buds through plant growth retardants

A plant growth and retarder technology, applied in the directions of botanical equipment and methods, fertilization methods, plant cultivation, etc., can solve the problems of unclear use effect of rhizoma iris plants, improve the reproduction efficiency and reproduction coefficient, and the operation method is simple and convenient. , the effect of less environmental pollution

Inactive Publication Date: 2015-01-07
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of prohexadione calcium to promote the germination of rhizome lateral buds is not clear for the use of rhizome iris plants

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Select 15 1-year-old plants with the same growth status, and spray 0mg / L prohexadione calcium on the leaves in the cloudy and windless evening in early May, and then spray once every other week for a total of 3 times . Each spraying amount is 15ml / plant. Observe and record the number of lateral buds sprouted every month. The average number of lateral buds germinated was 1, 1.3, 2 and 2 at 1, 2, 3 and 4 months after foliar spraying, respectively. The number of lateral buds germinated was 2.

Embodiment 2

[0031] Select 15 1-year-old plants with the same growth condition, spray 400 mg / L prohexadione calcium on the leaves in the cloudy and windless evening in early May, and then spray once every other week for a total of 3 times . Each spraying amount is 15ml / plant. Observe and record the number of lateral buds sprouted every month. The average number of lateral buds germinated was 2.0, 2.6, 3.6 and 4.3 at 1 month, 2 months, 3 months and 4 months after foliar spraying, respectively. The number of lateral buds germinated was 4.3, and the germination speed was the fastest.

Embodiment 3

[0033] Select 15 1-year-old plants with the same growth status, spray 700mg / L prohexadione calcium on the leaves in the cloudy and windless evening in early May, and then spray once every other week for a total of 3 times . Each spraying amount is 15ml / plant. Observe and record the number of lateral buds sprouted every month. At 1 month, 2 months, 3 months and 4 months after foliar spraying, the average number of lateral buds germinated was 1.3, 2.3, 2.3 and 5.7, respectively. The maximum number of lateral buds germinated was 5.7.

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Abstract

The invention relates to lateral bud growth technologies, and aims to provide a method for promoting growth of iris germanica lateral buds through plant growth retardants. The method for promoting growth of the iris germanica lateral buds through the plant growth retardants comprises the steps that iris germanica plants with the rhizome diameters larger than 3 cm are selected to be used as mother plants, annual lateral buds and mother shizomes are separated and sterilized, and field planting is conducted on the annual lateral buds; when the annual lateral buds which are subject to field planting grow to annual iris germanica plants, a prohexadione-calcium water solution is sprayed to the annual iris germanica plants, and growth of the iris germanica lateral buds can be promoted, wherein the concentration of the prohexadione-calcium water solution is 700 mg / L, 15 ml of the water solution is sprayed to a single plant at a time, spraying is conducted every one week, and spraying is conducted three times in total. According to the method, due to the fact that the prohexadione-calcium water solution is sprayed to the leaf surfaces of the annual plants, the apical dominance is broken through, growth of the lateral buds is promoted, and the propagation coefficient of the rhizomes is increased.

Description

technical field [0001] The invention relates to lateral bud germination technology, in particular to a method for promoting germination of iris germanica lateral buds by a plant growth retarder. Background technique [0002] German Iris (Iris Germanica) is a perennial herbaceous flower of the family Iridaceae, and there are many horticultural varieties abroad. German iris is a widely used iris variety in landscaping. It has the characteristics of large flowers, good shape, rich flower colors, strong stress resistance, long flowering and green periods, and its application forms in gardens tend to be diversified. German iris varieties in my country mainly rely on foreign imports. The survival rate of german iris ramets is relatively high, but the reproductive coefficient is low and artificial propagation is difficult. At present, it is not suitable for large-scale commercial production, which seriously hinders the garden application and promotion of German iris. . [0003] Th...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01C21/00
CPCA01C21/00A01G22/00
Inventor 夏宜平王冠群李丹青张佳平刘冰
Owner ZHEJIANG UNIV
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