So far, there are still a large number of local breeding resources in forestry that have not been fully utilized and have great potential(gallon plant pot). Looking at the development process of abandoned forest trees and considering the characteristics of forest tree breeding, it can be expected that introduction, selection and cross-breeding will still be the main ways of forest tree improvement for a long period of time(21 cell trays bulk). Artificially created breeding resources.
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Compared with the former type of resources, because it was introduced from other regions, its ecological adaptability is not as good as the former type, but it may be superior to local resources in terms of economic characteristics(cell trays). Use a variety of forms. Therefore, in terms of promotion and utilization, local breeding resources have the greatest value, and they can be directly put into production or slightly improved to fully exert their role(15 cell trays bulk).(cheap small plastic garden pots wholesale price uae)
The formation process of varieties is the process of human using natural resources(propagation tray). The genes needed for breeding are widely contained in natural resources. In order to select excellent varieties, it must have abundant breeding resources(200 cell seed starting trays). Continue to carry out the collection, preservation, research and utilization of breeding resources of major afforestation tree species, and gradually develop the resources of secondary tree species, should be a long-term and important task in the future.
Breeding of forest trees is a late-rising task(square nursery pots). Such resources have often integrated various excellent traits, and they have a better understanding of their origin, habits, and utilization status. This is a beneficial aspect. When used as the original material for breeding, special attention should be paid to its origin to prevent inbreeding(nursery plant pots). Refers to the propagation material introduced from other regions at home and abroad, thereby narrowing the genetic basis of groups or individuals.
(cheap small plastic garden pots wholesale price uae)For breeding to be effective, not only must there be clear breeding goals, appropriate measures and methods to achieve the goals, but also must have abundant breeding resources, and can use such resources correctly and reasonably(plug trays). The emphasis on breeding resources is mainly due to the following reasons: The history of crop and fruit tree cultivation and breeding proves that the existing varieties all originate from wild plants(black plastic plant pots).
There are not many tree species put into production today, but they are all cultivated directly or indirectly from natural resources(plastic grow pots). Breeding resources are the material basis for creating new varieties. In the process of intensive management and breeding at the end of the forest, attention is often focused on a few economic traits(seed starter trays). Among the main intensively managed tree species, jade created some types and varieties through hybridization and other measures.
If there is no abundant breeding resources, after the introduction of new genetic resources, multi-generation breeding work will also be limited(gallon nursery pots). Preventing trouble before it is necessary to pay attention to the collection and preservation of breeding resources. With the development of economic conditions, technological process reforms, and market changes, the requirements for new forest tree species will also change(flat plastic tray). This is another important breeding resource.(cheap small plastic garden pots wholesale price uae)