Taxodium zhongshansha 406 hard wood cutting simple culture method

Abstract

The invention provides a taxodium zhongshansha 406 hard wood cutting simple culture method, and belongs to the technical field of vegetative propagation. The taxodium zhongshansha 406 hard wood cutting simple culture method is easy to implement, economical and practical. The method mainly includes the steps that a cutting bed is built by means of a common farmland, wherein a cutting matrix is a mixture of river sand and farmland fine soil, and the volume ratio of the river sand to the farmland fine soil is 1 to 1; by means of cutting orchard winter pruning, cuttings which are 10 cm long are obtained through cutting, and two cuts are carved in the surface layer, 0-4cm long, on the base portion of each cutting through a single-side blade in the vertical direction of the cutting; the cuttings are processed through rooting hormone before cutting; the cuttings are covered with plastic membranes after cutting and kept moist; during transplanting, the roots of the cuttings have few cutting matrixes. By means of the method, good characteristics of quick growth, saline-alkaline tolerance, waterlogging resistance and the like of taxodium zhongshansha 406 can be kept, the rooting rate of cutting is high, and the method is easy to implement. The utilization rate of branches of unit area in a taxodium zhongshansha 406 cutting orchard is fully increased, the number of cultivated seedlings is increased, and the seedling culturing cost is lowered.

Description

technical field

[0001] The invention belongs to the technical field of plant asexual propagation, and in particular relates to a simple propagation method of Zhongshan fir 406 hard branch cuttings. Background technique

[0002] The Institute of Botany, Chinese Academy of Sciences, Jiangsu Province began to conduct research on the breeding of new interspecific hybrid varieties of Taxodium in 1973, and bred the No. A batch of state-level improved forest species, such as the first-generation variety 'Zhongshanshan 302' (Yellow cypress♀×Moshan♂) and the second-generation variety 'Zhongshanshan 118' (Zhongshanshan 302♀×Moshan♂), are all in my country's forestry production. Get large-scale promotion. However, the hybrid combination of Sequoia ♀ × Bald Cedar ♂ with great heterosis potential has never been successful, and it has become a major problem in the hybrid breeding of Bald Cedar trees. Since 2003, the Institute of Botany, Chinese Academy of Sciences, Jiangsu Province has st...