Greenhouse stock grafting, propagation and seedling method for nectarines

Abstract

The invention discloses a greenhouse stock grafting, propagation and seedling method for nectarines. The method comprises the following steps: a wild peach seedling provided with ground diameter being 1.0-1.4cm and full terminal buds and not suffering from pest or disease damage is selected; a nectarine mother tree which grows vigorously without pest or disease damage is selected, a fully-developed current grown branch, which has the branch diameter being 0.8-1.0cm and a full main bud, on the periphery of the middle part of a crown is cut off and taken as a scion, a shrinkage segment at the root is cut off for 1-2cm, and the root is immersed in NAA (naphthalene acetic acid) at 500-600 mg / L; on the day before grafting, a nursery land is thoroughly irrigated, the scion with a petiole is cut in early July for budding, and the scion is coated with film for moisture preservation after grafting; full-exposure spray management is adopted after grafting, the day temperature is maintained at 15-25 DEG C in the greenhouse, the soil humidity is kept at 70%-90%, and foliage fertilizer is sprayed three times. By using the method for grafting, propagation and seedling of the nectarines, the seedling rate is 89.65% or more, the survival rate is 96.2% or more, the qualitative characters of grafted seedlings of the nectarines are outstanding, and stress resistance is high.

Description

technical field [0001] The invention belongs to the technical field of agricultural planting, in particular to the field of fruit tree cultivation, and relates to a method for grafting and breeding nectarine seedlings in a greenhouse. Background technique [0002] Nectarine (Prunus persica var. nectarina) is a perennial drupe fruit tree of the family Rosaceae, with high economic, social and ecological values. It is an important economic forest tree species in my country. It is native to Xinjiang and Gansu and other places in China. Facility ornamental nectarine is a colorful leaf and greening tree species that has been widely used in landscaping in recent years. It is not only beneficial to enriching local facility fruit tree resources and adding urban green landscapes, but also increases the diversity of landscaping tree species configuration, providing local Provide technical support for the adjustment of modern agricultural industry structure. There are many varieties of...

AI Technical Summary

Problems solved by technology

At present, grafting and breeding seedlings are a way of asexual reproduction of fruit tree seedlings. In production practice, they are greatly affected by environmental factors. In production, grafting and breeding of nectarines is mostly based on personal experience, and there is no objective data for reference; and different grafting periods, rootstocks Specifications have a great influence on the survival rate, seedling rate and growth of nectarine grafted seedlings

However, a set of greenhouse seedling breeding technology system suitable for different nectarine varieties (strains) has not been established for production application. Compared with other fruit trees, the greenhouse nectarine seedling breeding technology system needs to be improved urgently

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