A method for raising seedlings of velvet crape myrtle high-density twig cuttings

Abstract

The invention provides a method for high-density cutting seedling of twigs of Lagerstroemia indica Pink Velour. The method comprises the following steps: (1) selecting cutting medium; (2) selecting cutting slips; (3) cutting; (4) managing after cutting; (5) hardening seedlings and transplanting. Compared with the prior art, the method provided by the invention not only has the advantages of simple condition, easy operation and low reproductive cost in the prior art, but also can increase the average root length of cut lagerstroemia indica obviously and can greatly increase the survival rate of transplanted seedlings.

Description

technical field

[0001] The invention relates to a velvet crape myrtle high-density twig cutting seedling raising method, which belongs to the field of tree asexual propagation methods. Background technique

[0002] Velvet crape myrtle (Lagerstroemia indica 'Pink Velour') is a deciduous erect small tree with a height of 8-10m and a crown width of 10-12m. Strong upright type (side branches grow upward at an angle of 45 degrees), unique leaf color (new leaves are tender red, old leaves are dark green), noble flower color (rose red flowers), super long flowering period (up to 150-180 days in the south), flowers The volume is extra large (the longest panicle can reach 50cm), the flowers are fragrant (the flowers are fragrant and elegant), the growth is fast (the root system is abnormally developed, and the ground diameter can grow 1.5-2.1cm in Jiangsu every year) and extremely low temperature resistance (can withstand -20℃ low temperature) etc. Velvet crape myrtle integrates fl...

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