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Crossbreeding method for lagerstroemia fauriei Koehne

A cross-breeding, Foster's technology, applied in horticultural methods, botanical equipment and methods, seed and rhizome treatment, etc., can solve the problems of general growth rate, difficult to accept by growers, poor drying effect, etc., to ensure the germination rate. , the effect of shortening the germination time and improving the germination rate of seeds

Inactive Publication Date: 2014-03-26
INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, from the application in the domestic market, it is found that due to the influence of traditional Chinese aesthetics, the red flowers of crape myrtle are popular, while the white flowers of crape myrtle are difficult to be accepted by the public
However, the disadvantage of the former is that the drying effect is poor and the growth rate is average, which is difficult to be accepted by growers.

Method used

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  • Crossbreeding method for lagerstroemia fauriei Koehne
  • Crossbreeding method for lagerstroemia fauriei Koehne
  • Crossbreeding method for lagerstroemia fauriei Koehne

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Embodiment 1

[0044] Cross breeding between Lagerstroemia fauriei and Lagerstroemia (indica xfauriei) 'Tuscarora'

[0045] (1) Crossbreeding with Lagerstroemia fowlerii (♀)×Lagerstroemia chinensis (♂);

[0046] Insect pest control: From June 15th to 30th, 2012, during the budding stage of Lagerstroemia fowleri, the flowering branches of Lagerstroemia flockliar were sprayed with drugs to prevent insects from laying eggs in the buds, and 20kg of water was sprayed with 50ml of methamidophos , 2 times a week, a total of 4 sprays;

[0047] (2) Flower thinning: On July 5, 2012, keep the strongest 3-4 branches of each flower branch of Lagerstroemia flockii, remove two side buds from each branch, keep the largest flower bud in the middle, and finally keep the second flower bud on each flower branch. 10 flower buds that bloom every day, and then spray 1000ppm NAA on the entire flower branch to prevent new branches from sprouting at the incision and form secondary flowering;

[0048] (3) Bagging, e...

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Abstract

The invention discloses a crossbreeding method for lagerstroemia fauriei Koehne, and particularly relates to a crossbreeding method for lagerstroemia fauriei Koehne and lagerstroemia (indica x fauriei) 'Tuscarora'. The method comprises the following steps: (1) pest control; (2) flower thinning; (3) bagging, emasculation and pollination; (4) aseptic seedling obtaining; (5) transplantation. By adopting the crossbreeding method for seed selection, the advantages of the lagerstroemia fauriei Koehne and the lagerstroemia (indica x fauriei) 'Tuscarora'; are combined, the stem is brownish red and brown, the panicle is large and beautiful, the flower is red in color, the ripening rate is high, the obtained seeds are full, the filial generation blooms early, and the application prospect is wide.

Description

technical field [0001] The invention relates to a plant hybrid breeding method, in particular to a method for hybrid breeding of crape myrtle and crape myrtle, belonging to the technical field of woody plant variety selection. Background technique [0002] Lagerstroemia fauriei Koehne. belongs to Lythraceae and Lagerstroemia. It is a small deciduous tree with a height of 3 to 5 meters. It is a rare tree species for viewing leaves and stems. The trunk is smooth, brown-reddish brown (when the trunk peels off between July and August). Odd pinnate compound leaves, 5-9 leaflets, oval, leathery, with yellow, red and other colorful leaves in autumn. The panicles are large and beautiful, the tops of the branches grow, the flowers are milky white, and the flowering period is from June to July. The fruit is nearly spherical, and the fruiting period is September to October. This tree species is an excellent garden ornamental tree species integrating tree shape, tree posture, trunk,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01H4/00A01C1/00
Inventor 李乃伟李云龙陆小清
Owner INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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