Reproduction method for grafting Quercus acutissima Carruth container seedlings on Lithocarpus elmerrillii

Abstract

The invention discloses a reproduction method for grafting Quercus acutissima Carruth container seedlings on Lithocarpus elmerrillii. The reproduction method comprises the working procedures of scion collecting, grafting time management, grafting and management after grafting, and comprises the following steps: selecting Quercus acutissima Carruth container seedlings as rootstocks; shearing robust semi-lignified or lignified branches without diseases or insect pests as scions from a seed tree of the Lithocarpus elmerrillii; grafting by using a cut-grafting method; and managing after grafting, wherein the Lithocarpus elmerrillii grafted seedlings obtained in the spring of the next year can be transplanted from a garden and then planted in a forest. The reproduction method is a breakthrough of an asexual reproduction technology for the Lithocarpus elmerrillii, grafting and reproduction are implemented by the Quercus acutissima Carruth rootstock, a large number of Quercus acutissima Carruth container seedlings with excellent economic characters of a female parent can be quickly reproduced, and root systems of the seedlings are developed; and owing to the advantage of the Quercus acutissima Carruth rootstock with relatively high adaptive capacity on natural environments such as drought, wetness and coldness, the scions of the Lithocarpus elmerrillii seedlings can be quickly healed with the rootstock and new shoots can germinate, the newly germinated shoots grow rapidly, high-quality, efficient and quick development of the Lithocarpus elmerrillii is promoted, and better economic benefit, social benefit and ecological benefit are obtained.

Description

technical field [0001] The invention belongs to the technical field of plant vegetative propagation, and relates to a propagation method of grafted Quercus japonica container seedlings by Wanningke. Background technique [0002] Wanningke ( Lithocarpus elmerrillii ), is a tree of the family Fagaceae (Lithocarpus), up to 25 meters, with longitudinal grooves on the branches in the current year, glabrous, dark brown after drying, gray-white lenticels scattered on the 2 or 3-year-old branches, and semicircular bud scales Shaped or broad triangular, oily and shiny after drying. Leaf thin leathery, long elliptic or rarely obovate elliptic, 10-17cm long, 3-6cm wide, apex acuminate, base attenuate long, extending down to base along petiole, entire, lateral Veins 9-12 on each side, sharply curved upward near the leaf margin and submerged, branch veins are slender, with a dense wax scale layer on the back of the leaf, grayish white after drying; petiole 2-2.5 cm long. Female flower...

AI Technical Summary

Problems solved by technology

Since Wanningke seeds are hard seeds, there are many factors in the natural germination process that lead to a low success rate of seed germination, and the natural germination of seeds is far from being able to offset the reduction in resources

However, the germination rate of Wanningke seeds without any hormone treatment in traditional production is often only about 50%, and the germination time is late and the emergence of seedlings is irregular, which limits the large-scale planting of Wanningke