Method for conveniently observing and feeding rice planthoppers

Abstract

The invention provides an experimental method for conveniently researching rice planthoppers. The method is characterized by including the following steps that a, a device is provided, wherein the device is composed of an upper observation container and a nutrient solution container, the observation container is defined into a cone through a side wall, an upper opening and a lower opening are formed, the nutrient solution container is defined by a bottom and a side wall, and an opening is formed, and the upper observation container and the nutrient solution container are detachably combined; b, circular sponge pads with the thickness of 1 cm are plugged into the upper opening and the lower opening of the upper observation container respectively, 5-10 rice seeds obtained after germination accelerating are dibbled on the sponge pads through tweezers and placed in a 25-DEG C constant temperature culture box to be bred, and rice seedlings can be used 10-15 days later. By means of the device, the service life of adult rice planthoppers can be remarkably prolonged, female ovaries with consistent development and rice planthopper eggs with a larger number can be obtained, a larger number of rice planthoppers can be provided, and biological habits of the pests can be observed for a long time.

Description

technical field [0001] The invention belongs to the field of agricultural plant protection, more specifically, to a device and method for studying rice planthoppers and other rice pests or for mass production of rice planthopper eggs. Background technique [0002] There are two common types of rice planthoppers, brown planthopper and white-backed planthopper. The white-backed planthopper occurs in the early and middle stages of rice growth, which is close to the occurrence time of the second-generation rice leaf roller, and can be controlled while controlling the rice leaf roller. In some years, brown planthoppers caused the most damage in the middle and late stages of rice growth. The insects have the habit of clustering and causing damage. Adults and larvae suck the juice from the lower part of the rice bushes, and the leaves turn yellow and dry. Adults have strong phototaxis and like to lay eggs on green and wet barnyard grass and in the leaf sheaths and tender stem tis...

AI Technical Summary

Problems solved by technology

[0003] Rice planthoppers gather on rice stalks to feed on rice stalks. When observing living habits and investigating experimental data, the conventional method is to place rice seedlings and live rice planthoppers in a large glass tube for observation. Due to poor permeability, the humidity in the tube Very large, the rice seedlings are easy to rot and mold, and the mist on the tube wall will affect the observation. If it is necessary to investigate the number of rice planthoppers on the rice seedlings, it is difficult to calculate accurately, which will bring large errors to the experimental data and affect the experiment. data accuracy

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