Plant root system in-situ dynamic observation device, system and method under soil culture conditions

A technology of plant roots and observation devices, applied in botany equipment and methods, measuring devices, automatic watering devices, etc., can solve problems such as root displacement, water loss, errors, etc., and achieve the goal of reducing impact and heat exchange Effect

Active Publication Date: 2012-11-07
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are many problems that cannot be ignored in the existing root system observation methods: such as nail plate method, container method, aeroponic method, tube planting method, net bag method, etc., need to carry out destructive sampling first, so that the root system is separated from the soil, Then carry out manual measurement, or carry out manual auxiliary measurement item by item of root length, root number, root number, root volume, root surface

Method used

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  • Plant root system in-situ dynamic observation device, system and method under soil culture conditions
  • Plant root system in-situ dynamic observation device, system and method under soil culture conditions
  • Plant root system in-situ dynamic observation device, system and method under soil culture conditions

Examples

Experimental program
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Effect test

Embodiment 1

[0059] This embodiment provides an in-situ dynamic observation device for plant roots under soil cultivation conditions, see attached Figure 1~5 shown. Described device is the growth room that plant root system grows, and described growth room comprises the main chamber 2 that is arranged on the same base plate 13 and several sub-chambers 1, and each sub-chamber 1 is made of two transparent observation surfaces 12 and In a frame space formed by an outer surface 11 , all sub-chambers 1 are joined radially, and the space connected to each sub-chamber formed after the sub-chambers are joined constitutes the main room 2 .

[0060] For the convenience of explanation, the attached figure 1 The device provided includes three sub-chambers 1 , which are distributed in a "Y" shape (radial shape) after being joined together, and the space connected to each sub-chamber formed by joining the sub-chambers after joining constitutes the main room 2 .

[0061] The observation surface 12 and...

Embodiment 2

[0073] After assembling the in-situ dynamic observation device and system of plant roots under soil cultivation conditions according to the method of Example 1, perform the following operations:

[0074] (1) Plant cultivation: see attachment Figure 1~5 As shown, after the tobacco seedlings 6 are cultivated to four leaves and one heart, they are planted in the main room 2, and then the nutrient solution in the water and fertilizer storage bottle 9 is used to supply the seedlings with nutrients. One to two tobacco seedlings are observed from the observation surface 12 of the growth room 1. When rooting, 100 mL of 2 doses of tobacco nutrient solution (refer to the Hoagland-Arnon formula) was supplied every 2 days through the water and fertilizer control system, and the flow regulator 8 was adjusted to a flow rate of 0.5-1.0 mL / min.

[0075] (2) Image acquisition: when performing image acquisition, remove the shading cover 5 , unzip the zipper 4 of the shading cover, and remove ...

Embodiment 3

[0082] In addition to the following features, this embodiment is the same as that of Embodiments 1 and 2: Figure 7As shown, the bottom plate 13 is provided with a side fixing plate 14 and a horizontal slot 15 . The side fixing plate 14 is erected on the edge of the bottom plate 13, and two vertical slots 16 for fixing the viewing surface 12 are arranged on it, and the number of the side fixing plates 14 is three. The figure surrounded by the horizontal slots 15 is in the shape of "Y". The side of the observation surface 12 (the surface close to the outer surface 11) can just fit into the vertical slot 16 of the side fixing plate 14, and the bottom of the observation surface 12 can just fit into the horizontal slot 15 of the bottom plate 13 and be well fixed .

[0083] When assembling the growth chamber, insert the observation surface 12 into the vertical slot 16 of the side fixing plate 14 (leave a little space), insert the bottom of the observation surface 12 into the hori...

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Abstract

The invention discloses a plant root system in-situ dynamic observation device, system and method under soil culture conditions. The device provided by the invention is a growth chamber for plant root system growth and comprises a main chamber and a plurality of sub chambers, wherein the main chamber and the sub chambers are arranged on the same bottom plate, each sub chamber is a frame body space formed by two relative vertical transparent observation surfaces and one outer side surface, and spaces which are communicated with each sub chamber and are formed after all of the sub chambers are engaged in a radial shape form the main chamber. The system comprises a growth chamber, a light shielding cover, a water fertilizer regulation and control system, an image collecting system and a root system parameter analysis system. Soil which gets wet through spraying is loaded into the growth chamber, plants are planted in the main chamber, the water fertilizer regulation and control system is used for regulating the water fertilizer conditions in the sub chambers, the image collecting system is utilized for carrying out image catching on the root systems, and the root system parameter analysis system is utilized for carrying out measurement and analysis on the root system parameters. The device, the system and the method provided by the invention realize the in-situ dynamic observation on root systems of different types of crops, particularly on large and medium-sized crops, and are also applicable to the simultaneous observation of dynamic growth conditions of root systems under different culture conditions.

Description

technical field [0001] The invention belongs to the technical fields of root biology, plant nutrition, soil science, crop cultivation and plant physiology, and specifically relates to an in-situ dynamic observation device and system of plant roots under soil cultivation conditions and a method for in-situ dynamic observation of plant roots. Background technique [0002] The root system is an important organ for plants to absorb nutrients and water from the soil and other medium environments. Quantitative description and analysis of plant roots is helpful to accurately understand the growth and development of plant roots in the soil and their spatial and temporal distribution, which is of great significance for agricultural production to achieve high quality, high yield, and efficient use of nutrients. [0003] Observing plant roots using non-perturbed methods is not easy due to the opacity of soil. In order to find out the real situation of the growth and distribution of pl...

Claims

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Application Information

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IPC IPC(8): A01G9/02A01G27/02A01G1/00G01N21/84
Inventor 沈宏赖勇林杨旭健
Owner SOUTH CHINA AGRI UNIV
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