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Culture method for rooting slash pine x Caribbean pine F1 hybrid needle fascicles

A culture method and needle bundle technology are applied in the field of plant hydroponics and rooting, and achieve the effects of safe use, simple operation method and convenient use.

Inactive Publication Date: 2012-12-12
GUANGDONG ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The results of afforestation comparison between wet-plus-pine cutting seedlings and seedlings show that the afforestation effects of the two are not much different. Therefore, the method of sexual creation and asexual utilization must be taken in the promotion of wet-plus-pine fine hybrids

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] Collect the mother tree source of conifer bundle, NAA concentration and the effect of nutrient solution component in wet plus pine conifer bundle hydroponic rooting the embodiment shown in the table below:

[0043] Table 1 Interaction results of mother trees from different sources (3-year-old) with NAA concentration and nutrient solution components

[0044] Example source of mother tree NAA concentration (mg / kg) Main components of nutrient solution (unit: mg / kg) Rooting rate (%) 1 Cuttings 100 40(NH 4 NO 3 )+75(H 3 BO 4 )+20(VB 1 ) 91.96 2 Cuttings 50 40(NH 4 NO 3 )+75(H 3 BO 4 )+20(VB 1 ) 86.87 3 Seedlings 100 40(NH 4 NO 3 )+75(H 3 BO 4 )+20(VB 1 ) 86.87 4 Seedlings 50 40(NH 4 NO 3 )+75(H 3 BO 4 )+20(VB 1 ) 79.96 5 Cuttings 100 40(KH 2 PO 4 )+75(H 3 BO 4 )+20(VB 1 ) 54.79 6 Seedlings 100 40(KH 2 PO 4 )+75(H 3 BO ...

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Abstract

The invention provides a culture method for rooting slash pine x Caribbean pine F1 hybrid needle fascicles in water. The culture method includes the following steps: the needle fascicles of a slash pine x Caribbean pine F1 hybrid seed tree are taken and disinfected with carbendazim solution for 2 to 3 hours; the bases of the needle fascicles are cut; the bases of the needle fascicles are immersed in NAA solution for 12 to 16 hours, and the needle fascicles are washed with clean water for 2 to 3 times and vertically placed in glass bottles loaded with nutrient solution; the needle fascicles are cultured in a plastic greenhouse which is shaded by a shading net, and the nutrient solution is replaced once each week. By researching the affection of the age of the seed tree of the slash pine x Caribbean pine F1 hybrid needle fascicles, the concentration of growth regulator, the ingredients of the nutrient solution and other factors on the rooting of the needle fascicles, the invention obtains the optimal culture method for rooting the needle fascicles in water, and the rooting rate of the needle fascicles reaches 91.96 percent. The material source is rich, the operating method is simple, and is convenient to use, and the rooting rate is high. The operating process cannot pollute the environment, and the culture method is safe to use, and can be used for rooting needle fascicles of pine trees in water.

Description

Technical field [0001] The present invention relates to plant hydroponic rooting technology, more specifically the present invention relates to a kind of wet plus pine needle bundle rooting culture method, which is suitable for pine needle bundle hydroponic rooting. Background technique [0002] Slash pine (Pinus elliottii Engelm)×Caribbean pine (P.caribaea Morelet) F 1 The hybrid (abbreviated as wet plus pine) has the characteristics of fast growth, large growth, straight trunk, good branching, and strong cold resistance. It is suitable for afforestation in southern my country. [0003] Due to the low hybrid affinity between slash pine and Caribbean pine, the hybrid seed yield is low, the number of seedlings is small, and the contradiction between seedling output and social demand is prominent. In order to meet the production needs, Guangdong Academy of Forestry has carried out research on tender cutting propagation since 1996. By 2000, we will basically master the large-s...

Claims

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Application Information

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IPC IPC(8): A01G31/00C05G3/00
Inventor 吴惠姗张华通赵奋成李义良
Owner GUANGDONG ACAD OF FORESTRY
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