CN103210833A

CN103210833A - Grafting hybridization improvement method

Info

Publication number: CN103210833A
Application number: CN2012105830349A
Authority: CN
Inventors: 吴文武
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-26
Filing date: 2012-12-26
Publication date: 2013-07-24

Abstract

The invention relates to a grafting hybridization improvement method, and specifically provides a method for hybridization based on a plant grafting method. The method comprises: adopting a grafted branch seedling as a female parent, adopting a plant same as rootstock as a male parent, and carrying out grafting until blooming, wherein the steps comprise: grafting, and adopting male flower pollen of a plant of a type same as rootstock to pollenize female flower of the grafted seedling when the grafted branch seedling survives and blooms so as to achieve purposes of variety improvement and stability improvement.

Description

The graft hybridization improved method

Technical field

The improvement of plant variety

Background technology

The grafting of plant be with the skill bud of a plant species or young shoot go to receive another kind () thus obtaining this plant that nutrient grows up to from the bar of that strain plant on the bar of plant is called grafting, the twig and the young shoot that carry out grafting are called grafting, are called by the plant of grafting and bore wood.

Plant graft is to change a kind of comparatively practical method that certain plants can not adapt to local weather and growing environment, is used in particular for the more of fruits, but now generally uses various plants.The advantage of grafting is a lot, but mainly utilizes it to improve follow-on kind now, once has the apple with the north to come grafting to southern sand pear, just can form apple in its result's of incompatibility southern climates.

Thereby the method for hybridization is to make its seed change the improvement purpose that original essence obtains to want with the instaminate flower result that certain plant species male spent the another kind of plant of pollination.Hybridization also is a kind of means of improved progeny, used this method to obtain offspring's kind of high yield or quality better for many years, agriculturally be extensive use of, particularly on crops, for example good effect has been played in the improvement in the farmings such as peanut, corn, melon and fruit, vegetables, paddy rice, come opinion with regard to single paddy rice, the father Yuan Longping of famous hybrid rice professor creates the highest again again and again by the output that hybridization obtains paddy rice exactly.

Just because of grafting and hybridization all have the factor of pair plant influence, thus my bold trial another the comprehensive improvement method that obtains to improve with the method for grafting and hybridization.

Summary of the invention

The invention provides the improvement that a kind of method with grafting and hybridization obtains plant of future generation, its feature: in the grafting of of the same race or similar plant, hybridize again.Make male parent with the plant of the same race of boring wood, hybridize as female parent with this strain of grafting.

The method of grafting but also the hybridization next generation that the changes plant mode of obtaining improvement can be used on diversified plant so not only, can carry out plant of the same race, can improve similar plant again.Gai Liang purpose can obtain with the more stable kind in generation that obtains like this, and the purpose of improvement can be varied, such as: can obtain high yield, can change adaptability, can obtain another new varieties, can change quality, can cultivate resistance etc.

Use this quadrat method to do improvement, will be clear that the reason that will improve, their kind of future generation of change what needs? and then go to select the kind of suitable purpose to come breeding, carry out grafting again, and then hybridization.Consider that same kind is carried out or similar carrying out.The main points of GPRS grafting and hybridization in a word, such as the timeliness of grafting, same florescence of hybridization and whether pollinate and successfully wait.

Embodiment

The grafting of plant can of the same racely be carried out, such as: sand pear connects sand pear, can similarly carry out, such as: green cucumber connects cucumber, and cucumber connects wax gourd etc.Hybridization also can of the same racely be carried out, and such as paddy rice and paddy rice, corn and corn also can similarly be hybridized, and wax gourd and cucumber, water melon and balsam pear etc. are as long as it is just passable to have affinity between them.Hybridization is except grasping with the florescence, also to there be male female flower separately and the item of male female same flower, the hybridization pollination ratio that male female flower separates separately is easier to, and the hybridization difficulty of male female same flower is bigger, when the hybridization of the female same flower of hero at first will be at the plant blossom of being pollinated immature male removing also, but carefully can not hurt whole flower, so difficulty is very big, the maturation of like this waiting until the maturation of instaminate flower and external male pollen could be hybridized and pollinated.

Now I serve as that row illustrate with water melon and balsam pear, method is to choose first-class water melon and balsam pear carries out breeding, make to bore wood with the water melon, balsam pear connects skill and carries out grafting, water melon and balsam pear all will be sowed several seedlings, in order to allow the survival rate of grafting improve, bore the seed of wood (water melon) and sow most in basin, just can carry out grafting when generally waiting until melon seedling length to three to four leaves.The water melon makes to bore wood, stays one to two leaf from the low number of root, and above branch seedling is cut away, gently a broken cutter from top to bottom goes to cut a balsam pear seedling then therebetween, below the seedling, go to both sides with the cutter pin, it is received gently it is tied up just passable with bandage on the brill wood of water melon seedling.In order to prevent overslaugh at sunshine on daytime survival rate, daytime is when preferably moving up the room to the grafting in the basin, drop it off the outside night and absorb dew to it, do like this three to four days it just become to have talked about, waiting it to survive fully just plants ground to it and manages, meanwhile also to plant down water melon seedling and manage,, bloom and just can hybridize up to blooming.Because of water melon and balsam pear all divide male flower and instaminate flower are arranged, so the hybridization pollination ratio is easier to.Deng the instaminate flower that the flowers are in blossom just goes to award balsam pear the pollen of the male flower of water melon ripe the time, so just passable.

Claims

1. the invention provides the improvement that a kind of method with grafting and hybridization obtains plant of future generation, its feature: in the grafting of of the same race or similar plant, hybridize again.Make male parent with the plant of the same race of boring wood, hybridize as female parent with this strain of grafting.