Rooting agent for cutting seedling and preparation method and application thereof

Abstract

The invention is suitable for the technical field of plant cultivation, and provides a rooting agent for cutting seedling and a preparation method and application thereof. The rooting agent is prepared from the following components in parts by weight: 1 to 99 parts of indole auxin, 1 to 99 parts of naphthoic acid auxin, 0.0001 to 0.0015 part of steroid auxin, 0.1 to 9.9 parts of nutritional auxinand 0.1 to 9.9 parts of thiram bactericide. The invention provides a rooting agent. Raw materials are simple, and preparation is convenient, the use is broad-spectrum and efficient; the rooting agenthas the characteristics of rapid rooting, multiple rooting, corrosion resistance, disease resistance and good seedling rate; meanwhile, the rooting agent has the effect of inducing plant cutting callus and incision upper cortex to root together, is a quick-dipping plant rooting agent, and can be widely applied to the fields of breeding, transplanting, protecting and the like of agriculture, forestry, gardening, gardens, Chinese herbal medicines and rare and endangered rare plants.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, and in particular relates to a hair-rooting agent for cutting seedlings and its preparation method and application. Background technique [0002] Cutting propagation refers to the method of cutting a part of a plant's branches, leaves or roots, inserting it into a substrate, causing it to take root, germinate, branch, and grow into a new plant. Cutting is a traditional plant vegetative propagation technology. It was only used as a means of propagating plants that are easy to root at first. Propagation by cuttings. In order to improve the survival rate of cuttings, people have tested cuttings in various ways, such as leaf cuttings, leaf bud cuttings, root cuttings, twig cuttings, and hard branch cuttings; Numerous attempts were made to apply. [0003] In order to solve the rooting problem of plant cuttings, the prior art mainly continues to use various rooting agents currently availab...

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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