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Method for evaluating stem borer prevention and control effect in middle and later periods of sugarcane growth

An evaluation method and borer technology, applied in horticultural methods, botanical equipment and methods, instruments, etc., can solve the problems of increasing statistical errors, controlling effect of difficult borers, restricting popularization and application, etc., and achieving the effect of improving authenticity

Pending Publication Date: 2022-07-15
SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI
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Problems solved by technology

However, in the statistical process of these indicators, limited by the conditions, it is impossible to investigate the basic data before application, and the data before the test are often randomly added to the statistics, which increases the statistical error and makes it difficult to truly evaluate the impact of the prevention and control measures on the The control effect of stem borers has limited the popularization and application of some effective and low-cost pesticides to a certain extent

Method used

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  • Method for evaluating stem borer prevention and control effect in middle and later periods of sugarcane growth
  • Method for evaluating stem borer prevention and control effect in middle and later periods of sugarcane growth
  • Method for evaluating stem borer prevention and control effect in middle and later periods of sugarcane growth

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Embodiment 1

[0029] (1) In the middle and late stages of sugarcane growth, select 1 block each of Yuncane 08-1609 and ROC22 (with an area of ​​not less than 2 mu) with serious borer occurrence, and divide each sugarcane field into two parts, one part is used for prevention and control, and the other part is used as blank control. Taking chemical pesticides with good control effect on sugarcane borers (90% insecticidal monosoluble powder 100g / mu + 8000IU Bacillus thuringiensis suspension 100g / mu) as the test material, diluted with 1kg of water per mu, using plant protection unmanned Machine sprayed on the surface of sugarcane plants. The blank control was sprayed with the same amount of clean water.

[0030] (2) At the maturity stage of sugarcane, investigate the number of borer holes in each segment of sugarcane. In the 5-point sampling method, 10 sugarcane plants with similar growing conditions were continuously investigated at each point, and a total of 50 sugarcane plants were investi...

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Abstract

The invention provides a method for evaluating the prevention and control effect of stem borers in the middle and later periods of sugarcane growth. The method comprises the steps of investigation of the number of borer holes, data statistics, chart making, data screening, prevention and control point determination, prevention effect calculation and difference evaluation and effect evaluation. According to the method, the problem that the stem borer plant rate and stem borer section rate of a surveyed object are easily increased by traditional survey data can be effectively solved, the influence of the stem borer number on effect evaluation before stem borer prevention and control in the middle and later periods of sugarcane growth is effectively eliminated, the authenticity of the evaluation effect is remarkably improved, and the evaluation effect is closer to a final result. Meanwhile, the occurrence condition of the stem borers in the test area, especially the occurrence characteristics in the middle and later growth periods, can be truly known, and reference is provided for accurate and efficient prevention and control of the stem borers in the next step.

Description

technical field [0001] The invention discloses a method for evaluating the control effect of sugarcane in the middle and late stages of growth, belonging to the technical field of stem borer control. Background technique [0002] Sugarcane is an important sugar crop in my country, and sugarcane borer is an important pest of sugarcane. The insect occurs in sugarcane fields all year round and damages sugarcane. In the seedling stage, after feeding on sugarcane seedlings, it will form dead heart seedlings, which will affect the effective seedling quantity in the field; in the middle and late stages of sugarcane growth, feeding on sugarcane stem tissue will form stem borers and cause red rot, which will seriously affect the sugar content of sugarcane. Precise control of borer, especially in the middle and late stages, is the key to reducing sucrose loss. Pesticide control is an important means of sugarcane borer control, which can kill field pests quickly, efficiently and in a...

Claims

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Application Information

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IPC IPC(8): G06F16/22G06F16/2458G06Q10/06G06Q50/02A01G7/06
CPCG06F16/2282G06F16/2462G06Q10/0639G06Q50/02A01G7/06
Inventor 罗志明尹炯王晓燕李银煳单红丽张荣跃李婕王长秘
Owner SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI
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