Rapid tester for lodging-resistant strength of crops

Abstract

The invention relates to a rapid tester for the lodging-resistant strength of crops. The rapid tester mainly comprises a digital force measuring device, a dustproof panel, a ball guide rail, a linking plate, a rotary positioning disc, a circular surveying rod, a ground plug and a specific probe, wherein the digital force measuring device is fixed at the front end of the dustproof panel and can stably and slowly stretch and shrink in the horizontal direction through the ball guide rail; the circular surveying rod is marked with height scales and crop gravity center height scales and can be used for directly measuring the height of a canopy of a to-be-tested crop and reading the gravity center height of the to-be-tested crop; two arc-shaped positioning grooves are formed in the rotary positioning disc, and a horizontal testing position and a vertical testing position of the digital force measuring device are exchanged by virtue of sliding of two positioning screws, which are arranged on the linking plate, in the arc-shaped positioning grooves; the horizontal height of the digital force measuring device can be adjusted by changing the fixed position of the rotary positioning disc on the circular surveying rod. The rapid tester can be used for rapidly testing critical breakage strength of stalks and lodging-resistant strength of single stems and groups of wheat, rice, grain and millet.

Description

technical field [0001] The invention relates to an electromechanical device capable of quickly and accurately measuring the critical breaking strength of wheat, rice, millet and broomcorn stalks, and the lodging resistance strength of a single stalk and a group under different field conditions such as dry land and paddy fields. Background technique [0002] Lodging is a phenomenon in which plant stems change from a natural upright state to a permanent dislocation caused by internal and external factors such as wind, rainfall, and plant stem strength. At present, lodging is still one of the most important limiting factors affecting the high and stable yield of wheat, rice, millet, and millet. Taking wheat production as an example, in 2013, the lodging area of ​​wheat in Shandong Province reached 2.5 million mu and that in Anhui Province reached 1.25 million mu, which had a serious impact on local wheat production. Although there are many ways to prevent crop lodging, breedin...

AI Technical Summary

Problems solved by technology

Although there are many ways to prevent crop lodging, breeding lodging-resistant crop varieties is still the simplest and most effective method at present.

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