Method for promoting maturation and normal blooming of EuCahetus dunnii Maiden flower bud

A mature and normal technology, applied in the field of promoting the growth and maturity of Eucalyptus dunen flower buds to normal flowering, can solve the problems of inability to form seeds, hindered development and maturity, flowering and fruiting, etc., and achieve the effect of low use cost, simple technical measures and obvious effects

Inactive Publication Date: 2015-03-11
GUANGXI FORESTRY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Dunn Eucalyptus can form flower buds in the northwest of Guangxi, Guangxi, but further development and maturation are hindered. The main phenomenon is that the flower buds fall off before they mature and cannot form seeds. The method of Dunn Eucalyptus forest tree flower bud development and maturity is studied to lay a technical foundation for the production of seeds of Dunn Eucalyptus in order to solve the problem of Dunn Eucalyptus flowering. The problem of fruiting provides technical support for the production of Eucalyptus dunen, which has important theoretical and practical significance for the breeding of Eucalyptus dunen and the advancement of the eucalyptus industry to the north

Method used

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  • Method for promoting maturation and normal blooming of EuCahetus dunnii Maiden flower bud
  • Method for promoting maturation and normal blooming of EuCahetus dunnii Maiden flower bud

Examples

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Embodiment 1

[0014] The method for promoting Eucalyptus durnen flower bud development and maturation to normal flowering of the present invention comprises the following steps:

[0015] Configure the gibberellin solution, weigh the gibberellin powder with an electronic balance, dissolve it in 75% alcohol first, then add water to fix the solution, and the concentration is 1000mg / L. Choose plants with flower buds, and in the morning when the weather is fine, spray the canopy of the whole tree with a pneumatic watering can until the tip of the leaves drips. From the flower bud differentiation, spray once a month until the pollination is completed. Dunn's Eucalyptus flower buds start to germinate in early August. At this time, fertilization is required to ensure the nutritional requirements for flower bud growth. According to nitrogen: phosphorus: potassium = 17:5:8, the total effective nutrient content is ≥ 30% to prepare a special compound fertilizer for Dunn's Eucalyptus flower buds to matur...

Embodiment 2

[0017] The method for promoting Eucalyptus durnen flower bud development and maturation to normal flowering of the present invention comprises the following steps:

[0018] Configure a gibberellin solution with a concentration of 800mg / L, select plants with flower buds, and spray the crown of the whole tree with a pneumatic watering can in the form of mist in the morning when the weather is fine, until the tips of the leaves drip. Spray once a month until pollination is complete. Fertilize when the Eucalyptus dunen flower buds start to germinate in early August. According to nitrogen:phosphorus:potassium=15:6:9, the total effective nutrient content is ≥30% to prepare a special compound fertilizer for Eucalyptus dunen flower buds to mature, and dig on both sides of the canopy projection. A small pit, the size of the pit is 30cm long x 10cm wide x 10cm deep, apply fertilizer, mix well and cover with soil, the amount of fertilizer applied is 500g / plant. In September, the rainles...

Embodiment 3

[0020] The method for promoting Eucalyptus durnen flower bud development and maturation to normal flowering of the present invention comprises the following steps:

[0021] Configure a gibberellin solution with a concentration of 900mg / L, select plants with flower buds, and spray the crown of the whole tree with a pneumatic watering can in the form of mist in the morning when the weather is fine, until the tip of the leaves drips, starting from the flower buds. Spray once a month until pollination is complete. Fertilize when the buds of Eucalyptus Dunn start to germinate in early August. According to nitrogen:phosphorus:potassium=13:7:10, the total effective nutrient content is ≥30%. A small pit, the size of the pit is 30cm long x 10cm wide x 10cm deep, apply fertilizer, mix well and cover with soil, the amount of fertilizer applied is 500g / plant. In September, the rainless and dry season entered, and a ring-shaped ditch with a width of 20 cm x a depth of 20 cm was dug around...

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Abstract

Disclosed is a method promoting maturation and normal blooming of a EuCahetus dunnii Maiden flower bud. The method comprises the steps of (1) applying water-retention solvent, wherein a circular groove which is 20cm wide and 20cm deep is dug around a stump at a position 50cm away from the stump, and the water-retention solvent is applied at 1000g / plant in September; (2) applying fertilizer, wherein special compound fertilizer with a constitute ratio of nitrogen: phosphorus: potassium = 13-17 : 5-7 : 8-10 and total effective nutrient content >= 30% is applied to the two sides of the projection of a tree crown in August at 500g / plant; (3) spraying plant hormones, wherein gibberellin with a concentration of 800-1000mg / L is sprayed onto the crown of a whole tree in a mist mode with an air pressure type sprinkler in sunny days once a month till water drips from leaf apexes. The method can effectively promote maturation and normal blooming of the EuCahetus dunnii Maiden flower bud, the technical measure is simple, cost is low, and the effect is remarkable.

Description

technical field [0001] The invention relates to the technical field of forest tree breeding, in particular to a method for promoting the growth and maturity of Eucalyptus dunen flower buds to normal flowering. technical background [0002] Eucalyptus has the characteristics of fast growth, short rotation period and high wood yield, and plays an important and prominent role in the development of forestry in southern my country. With the continuous expansion of the eucalyptus cultivation area and the continuous reduction of suitable forest land in the southern tropics and subtropics, the northward movement of eucalyptus has become an inevitable trend, and low temperature is an important factor restricting the northward movement of eucalyptus. The preferred tree species for promotion and planting. Eucalyptus dunen grows rapidly, has a straight stem shape and strong cold resistance. It has developed rapidly in my country in recent years and is an important afforestation tree sp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G7/06
Inventor 李昌荣陈健波项东云郭东强周维叶露任世奇邓紫宇刘媛卢翠香张照远唐庆兰
Owner GUANGXI FORESTRY RES INST
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