GB/T 17980.51-2000 in English

《GB/T 17980.51-2000农药 田间药效试验准则（一） 除草剂防治非耕地杂草》由326（农业农村部）归口，主管部门为农业农村部。
本标准规定了除草剂防治非耕地杂草田间药效小区试验的方法和基本要求。本标准适用于除草剂防治非耕地杂草的登记用田间药效小区试验及药效评价，其中包括工业区、仓库、铁路、人行道，以及其他不希望生长杂草的地块，目的是防治所有杂草(但不包括路界、公园、运动场)。其他田间药效试验参照本标准执行。

1 Scope

This standard specifies the methods and basic requirements for field efficacy plot trial for the herbicide against weeds in no-crop field.

This standard is applicable to the field efficacy plot trials and efficacy evaluation registered for herbicides against weeds in no-crop field, including industrial areas, warehouses, railways, sidewalks, and other lands where no weeds are desired, in order to control all weeds (but with road boundaries, parks and sports ground excluded). Other field efficacy trials shall be carried out in reference to this standard.

2 Trial conditions

2.1 Selection of crops and cultivars

None.

2.2 Selection of weeds as the trial subject

In the no-crop field under trial, there shall be the representative weed population, uniformly distributed, and the weed colony must be composed of the weeds consistent with those listed in herbicide controlling spectrum (annual and perennial grass, sedge and broadleaf grass), with their Chinese names and Latin names recorded.

2.3 Environmental conditions

All conditions in all trial plots must be uniform.

Record any type of herbicides used before or after.

3 Trial design and arrangement

3.1 Pesticides

3.1.1 Trial pesticide

Indicate the trade name/code, Chinese name, generic name, dosage form content and the manufacturer of the trial pesticide. The trial pesticide shall be applied in no less than three dosages, or according to the agreement (the trial agreement signed between the trial entrusting party and the trial undertaker).

3.1.2 Control pesticide

The control pesticide must be a product that has been registered and is fairly safe and efficacious in practice. The type and mode of application of the control pesticide shall be similar to those of the trial pesticide and the local usual dosage and treatment method shall be used, which may be determined by the purpose of the trial in special case. Blank control treatment shall be arranged.

1 Scope
2 Trial conditions
3 Trial design and arrangement
4 Investigation, recording and measurement methods
5 Results