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NY/T 616-2002: Rules for the investigation and forecast of wheat blossom midge
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NY/T 616-2002: Rules for the investigation and forecast of wheat blossom midge

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Rules for the investigation and forecast of wheat blossom midge ICS 65.020 B16 People's Republic of China Agricultural Industry Standard Wheat sputum survey report survey specification Released on December 12,.2002 2003-03-01 implementation Published by the Ministry of Agriculture

Foreword

Appendix B and Appendix C of this standard are normative appendices, and Appendix A is an informative appendix. This standard was proposed by the Plantation Management Department of the Ministry of Agriculture. This standard was drafted. National Agricultural Technology Extension Service Center and Anhui Provincial Plant Protection Station. The main drafters of this standard. Jiang Yuying, Xie Changju, Zhang Yuejin, Liu Wancai, Zhang?. Wheat sputum survey report survey specification

1 Scope

This standard stipulates the survey tool for wheat sucking insects, the degree of occurrence records and grading indicators, systematic survey, census method for Daejeon, and forecasting Data collection, reporting and aggregation methods. This standard is applicable to the implementation of survey reports on wheat larvae.

2 Terms and definitions

The following terms and definitions apply to this standard. 2.1 Systematic investigation In order to understand the dynamics of the occurrence and growth of pests and diseases in a region, a survey of fixed-point, timing, and fixed methods was conducted. 2.2 Daejeon census In order to understand the overall occurrence of pests and diseases in a region, a multi-point survey was conducted on a larger scale. 2.3 Recover damages The yield loss of the crops recovered by controlling the pests and larvae, that is, the increased yield of the control area than the control area. 2.4 Actual loss The yield loss caused by the remaining pests and diseases of the crops after the crops have been controlled by the pests and diseases. 2.5 Sample and sample The soil taken from the soil sampler (100cm2×20cm) is a sample. The number of effective insects contained in the same square is the same Amount used to indicate the density of larvae, cockroaches, etc. in the soil. 2.6 10 complex net amount Using insect nets to catch adult worms, the left and right rounds are once a complex network, and the number of adults caught by 10 complex nets is 10 worms. Indicates the density of adult worms. 2.7 Thousands of insects The number of larvae in 100 wheat ears was stripped during the larval stage to indicate the extent of the year. 2.8 Pupation rate The proportion of carcass to the active worms indicates the number of mites. Calculate the percentage of a certain level of enthalpy by using equations (1) and (2). Z=C+L+I (2) ...