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Identification method of high-quality seedlings of rubber tree

An identification method and rubber tree technology, applied in the field of identification of high-quality seedlings, can solve the problems of high background knowledge and practical operation requirements, unfavorable identification and other problems, achieve low background knowledge and practical operation requirements, facilitate the implementation of identification, and objective identification results. effective effect

Active Publication Date: 2015-09-30
YUNNAN INST OF TROPICAL CROPS
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  • Claims
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AI Technical Summary

Problems solved by technology

[0005] However, the predecessors only made empirical positioning of the age and location of the juvenile buds and old buds of the rubber tree. The background knowledge and practical experience of the appraisers to determine whether they are high-quality seedlings of rubber trees are determined by experience. The operation requirements are high, which is not conducive to the identification

Method used

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  • Identification method of high-quality seedlings of rubber tree
  • Identification method of high-quality seedlings of rubber tree
  • Identification method of high-quality seedlings of rubber tree

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Experimental program
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Embodiment 1

[0029] A kind of identification method of rubber tree high-quality seedling provided in the embodiment of the present invention, comprises the following steps:

[0030] (a) Randomly collect the bud points of multiple juvenile buds and multiple old buds of rubber trees of the same species determined based on existing experience;

[0031] (b), respectively measuring the content of each endogenous hormone in the bud points of the juvenile buds and the old buds and the average value of each endogenous hormone in each bud point, and calculating each endogenous hormone content for difference analysis;

[0032] (c), according to the content of each endogenous hormone in step (b), calculate the proportional relationship value between the endogenous hormones of each bud point of each rubber tree and the proportional relationship between the endogenous hormones of each bud point The average value of the value, and the difference analysis of the proportional relationship value between t...

Embodiment 2

[0086] Use variety GT1 as rootstock, rubber tree multiplication nursery and mature tree varieties 77-2, Yunyan 77-4, and GT1 over 6 years old as scion; One day, take the bud slices at the budding healing place, the bud slices obtained are 0.3cm long and 0.3cm wide, 10 pieces are 1 sample, and each plant is repeated 3 times. Similarly, 100 plants were randomly selected for each rubber tree variety with old buds and juvenile buds.

[0087] The sampling time is after the sun rises every day, and the rubber tree leaves can be sampled after there is no dew on the leaves, probably between 9:00 am and 10:00 am; sampling is not allowed on rainy days.

[0088] 7-10 days after sawing is the period of the most vigorous physiological activity of callus, and callus is the most vigorous part of physiological activity after budding seedlings. At this time, the growth status of the buds after budding can be judged according to the content of endogenous hormones.

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Abstract

The invention relates to an identification method for a high-quality seedling and particularly relates to an identification method for a high-quality seedling of a rubber tree. The identification method comprises the following steps: respectively measuring the contents of auxin, gibberellin, mitogen and abscisic acid with old buds and young buds as materials, wherein the old buds and the young buds are located according to the previous experience; analyzing the contents of the auxin, the gibberellin, the mitogen and the abscisic acid and proportional difference to obtain numerical values of endogenous hormones with significant differences of the old buds and the young buds; measuring and calculating the numerical values of the endogenous hormones with significant differences of buds to be measured, and comparing the numerical values with a threshold value to judge whether the buds to be measured are young buds; and if the buds to be measured are the young buds, identifying the obtained seedling as a high-quality seedling. According to the identification method for the high-quality seedling of the rubber tree, provided by the invention, an identification method for the old buds and the young buds located according to the previous experience is updated to be an endogenous hormone quantification identification technology, so that the identification result is objective and effective, the requirements on the background knowledge and actual operation of people are low, and the identification can be favorably implemented.

Description

technical field [0001] The invention relates to a method for identifying high-quality seedlings, in particular to a method for identifying high-quality seedlings of rubber trees. Background technique [0002] The production and planting of rubber trees mainly adopts the method of budding seedlings, which are mainly composed of rootstock and scion. Rootstocks generally choose varieties with good resistance, and scions generally choose varieties with high yield and excellent quality. The bud points on the scion are divided into old state buds and immature buds according to the difference in developmental stage. According to the investigation and analysis of the predecessors, the juvenile bud grafting tree is better than the old bud bud grafting tree, and the seedlings obtained from the juvenile bud bud grafting tree show the characteristics of fast growth and high yield. [0003] Early studies on the criteria for dividing old and young buds focused on morphological indicator...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/74
CPCG01N33/74G01N2333/415
Inventor 田耀华刘世红魏丽萍李明谦周会平岳海原慧芳
Owner YUNNAN INST OF TROPICAL CROPS