A kind of hair-rooting agent for cutting seedlings and its preparation method and application

Abstract

The invention is applicable to the technical field of plant cultivation, and provides a rooting agent for cutting seedlings and its preparation method and application. The rooting agent includes the following components in parts by weight: indole auxin 1-99 1 to 99 parts of naphthalene auxins, 0.0001 to 0.0015 parts of steroidal auxins, 0.1 to 9.9 parts of nutritional auxins, and 0.1 to 9.9 parts of thiram fungicides. The hair-rooting agent provided by the invention has simple raw materials and is convenient to prepare. It has broad-spectrum and high-efficiency in use, and has the characteristics of rapid root growth, multiple hair roots, anti-corrosion and disease resistance, and good seedling growth rate. It also has the ability to induce plant cuttings to callus Tissue and the upper cortex of the incision share the function of rooting. It is a quick-dipping plant rooting agent that can be widely used in agriculture, forestry, horticulture, gardening, Chinese herbal medicine, and the breeding, transplanting and protection of rare and endangered plants.

Description

Technical field [0001] The invention belongs to the field of plant cultivation techniques, and more particularly to the root generating agents and preparation methods and applications thereof for cutting seedlings. Background technique [0002] Cutting reproduction refers to the propagation method of cutting the branches, blades or roots of plants, inserting into the substrate, making it rooted, germination, string, and growing into new plants. Cutting is a traditional plant inability to breed technology. It was originally only used as a breeding means of erythrogen plants. After years of development, cutting technologies were more mature, and the scope of application is getting wider, there are many flowers, fruit trees and economic trees. Cutting reproduction. In order to improve the cutting rate, people have tried the cuttings in various different ways, leaf plug, leaf buds, rooted, tender branches, hard branch cutting; in the root of plant cutting breeding, people's roots of ...

AI Technical Summary

Problems solved by technology

[0004] From the perspective of component design and formulation aids, the above-mentioned rooting agents all use hormone-type component formulas or nutrient-type component formulas, or have the concept of extracting specific functional components from natural plants. Although there are many market commodities and invention patents for various plant rooting agents that induce plant rooting, they generally have certain specificity and limitations, so there are inevitably limitations in application effects or biases in target plants. Although some have a wide range of use and the treatment effect is not too bad, it often takes a long waiting time ranging from several hours or even tens of hours to the dipping treatment, which brings a lot of practical inconvenience to the application or production

For example, at present, from the producer level of the seedling industry, the demand is for higher production efficiency, and they often choose to shorten the dipping time. The most popular method is to choose the rooting agent dipping method, which is the most convenient and quick method. But quick-dipping method is in dealing with the cuttage multiplication of difficult-to-root plants, when using above-mentioned root-growing agent equally to do cuttage processing, the effect of forming adventitious roots to difficult-to-root plant cuttings tends to appear unstable; Cause rooting survival rate to be low, There are even no rooting and cuttings rot. When the cuttings are used for rooting in humid and high temperature climates, the roots of the cuttings will rot before they grow fully.

The most typical example is the twig cuttings of difficult-to-root species such as masson pine, Fujian nan and maple. The above-mentioned root-growing agents were not successful in dealing with the quick-dipping method.

[0005] On the other hand, although the above-mentioned rooting powder or the prior art have a certain effect on the rooting of plant cuttings, for plant cutting meristems that have formed or have not formed root primitives (root primordia), especially the cambium develops special parenchyma cells. group, successfully completes dedifferentiation and redifferentiation into blunt conical root primitives through cell division, invades the phloem, and has no induction in rooting in the cortex leading to the lenticels, basically no callus or adventitious roots in plant cuttings In the formation stage, the roots can be directly rooted in the cortex of the lower end of the cuttings and the upper cortex of the incision simultaneously, and there is no one that can root in both the stem of the cuttings and the callus.

[0006] To sum up, the rooting agent is a very important factor affecting the rooting of plant cuttings. Although there are many rooting agent products and invention patents of various material components that induce plant rooting in the prior art, they generally have certain specificity. and limitations

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