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

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...

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 area and other morphological parameters (mostly planar data) with the help of special instruments. The whole sampling and measurement process is time-consuming. Laborious and prone to problems such as root displacement, breakage and water loss, there is a large error and it is difficult to achieve accurate measurements

[0005] At present, there is no real device and method for observing the root system of plants from multiple angles under soil cultivation conditions.

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