GB/T 19557.27-2022Guidelines for the conduct of tests for distinctness, uniformity and stability—Watermelon(Citrullus lanatus (Thunb.) Matsum. et Nakai) (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting.

This document is part 27 of GB/T 19557. GB/T 19557 has published the following parts:

--- GB/T 19557.1 General Rules for the Specificity, Consistency and Stability Test Guidelines for New Plant Varieties;

---GB/T 19557.2 Plant variety specificity, consistency and stability testing guidelines for common wheat;

---GB/T 19557.3 Guidelines for testing the specificity, consistency and stability of new plant varieties of durum wheat;

---GB/T 19557.4 Plant variety specificity, consistency and stability testing guidelines for soybeans;

---GB/T 19557.5 Plant variety specificity, consistency and stability testing guidelines for Chinese cabbage;

---GB/T 19557.6 Plant variety specificity (distinguishability), consistency and stability test guide ramie;

---GB/T 19557.7 Plant variety specificity (distinguishability), consistency and stability test guidelines for rice;

---GB/T 19557.8 Plant variety specificity (distinguishability), consistency and stability testing guidelines;

---GB/T 19557.9 Plant variety specificity, consistency and stability testing guidelines mustard;

---GB/T 19557.10 Guidelines for Testing Specificity, Consistency and Stability of Plant Varieties Lilium;

--- GB/T 19557.11 Plant Specificity (Distinction), Consistency and Stability Test Guidelines Actinidia;

---GB/T 19557.12 Plant variety specificity, consistency and stability testing guidelines garlic;

--- GB/T 19557.13 Plant Specificity (Distinction), Consistency and Stability Test Guidelines Tomato;

---GB/T 19557.14 Guidelines for testing of plant variety specificity, consistency and stability of Brassica napus;

---GB/T 19557.15 Plant variety specificity, consistency and stability testing guidelines for sorghum;

---GB/T 19557.16 Plant variety specificity (distinguishability), consistency and stability testing guidelines for peanuts;

---GB/T 19557.17 Plant Specificity (Distinction), Consistency and Stability Test Guidelines Pepper;

--- GB/T 19557.18 Plant Specificity (Distinction), Consistency and Stability Test Guidelines for Cotton;

---GB/T 19557.19 Plant Specificity, Consistency and Stability Test Guidelines Chrysanthemum;

---GB/T 19557.20 Plant variety specificity, consistency and stability testing guidelines eggplant;

---GB/T 19557.21 Plant variety specificity (distinguishability), consistency and stability testing guidelines for melon;

---GB/T 19557.22 Plant variety specificity, consistency and stability testing guidelines pea;

---GB/T 19557.23 Plant Specificity, Consistency and Stability Test Guidelines Carnation;

---GB/T 19557.24 Plant variety specificity, consistency and stability testing guidelines for corn;

---GB/T 19557.25 Plant variety specificity (distinguishability), consistency and stability testing guidelines for cucumber;

---GB/T 19557.26 Plant variety specificity (distinguishability), consistency and stability testing guidelines for apples;

---GB/T 19557.27 Plant variety specificity (distinguishability), consistency and stability testing guidelines for watermelon;

---GB/T 19557.28 Plant variety specificity, consistency and stability testing guidelines for potatoes;

---GB/T 19557.29 Plant variety specificity (distinguishability), consistency and stability test guide cabbage;

--- GB/T 19557.30 Pear Specificity, Consistency and Stability Testing Guidelines for Plant Varieties;

---GB/T 19557.31 Plant variety specificity, consistency and stability testing guidelines for barley;

---GB/T 19557.32 Plant variety specificity, consistency and stability testing guidelines for sweet potatoes;

---GB/T 19557.33 Guidelines for testing of plant variety specificity, consistency and stability of cauliflower.

Introduction

In 1997, in order to protect the rights of new plant varieties, encourage the cultivation and use of new plant varieties, and promote the development of agriculture and forestry, my country issued the "Regulations of the People's Republic of China on the Protection of New Varieties of Plants". In 1999, my country joined the International Union for the Protection of New Varieties of Plants (UPOV) and became a 39th member. Distinctiveness, uniformity and stability (DUS) are the basic attributes of varieties, and DUS testing is an important basis for granting variety rights. In order to standardize the order of the seed market, in 2015, when the "Seed Law of the People's Republic of China" was revised, the DUS test was used as a variety approval and registration method.

For DUS testing of new plant varieties, the testing guidelines are usually developed on the basis of plant genus or species. Due to the wide range of plant classification, the phenotypic differences between different plant genera and species are large, and it is difficult to construct a standard for DUS testing for all species. Therefore, GB/T 19557 is divided into several parts, each part specifies the test traits and points of a plant. GB/T 19557 is proposed to consist of 33 parts.

--- GB/T 19557.1 Guidelines for Specificity, Consistency and Stability Testing of New Plant Varieties. The purpose is to determine the various plant The general principle of the guidelines for physical testing, the general technical requirements for testing, the method of judging the test results and the content of the technical report and format.

--- GB/T 19557.2 Plant variety specificity, consistency and stability testing guidelines for common wheat. The purpose is to determine Technical requirements for testing common wheat and methods for judging test results.

---GB/T 19557.3 Guidelines for testing the specificity, consistency and stability of new plant varieties of durum wheat. The purpose is to determine the Technical requirements for durum wheat testing and methods for judging test results.

---GB/T 19557.4 Plant variety specificity, consistency and stability testing guidelines for soybeans. The purpose is to determine the soybean The technical requirements of the test and the method of judging the test results.

---GB/T 19557.5 Plant variety specificity, consistency and stability testing guidelines for Chinese cabbage. The purpose is to determine the large The technical requirements of the cabbage test and the method of judging the test results.

---GB/T 19557.6 Plant variety specificity (distinguishability), consistency and stability testing guidelines for ramie. purpose is to The technical requirements for the ramie test and the method for judging the test results are specified.

--- GB/T 19557.7 Guidelines for testing of plant variety specificity (distinguishability), consistency and stability of rice. purpose is to The technical requirements for rice testing and the method for judging the test results shall be specified.

---GB/T 19557.8 Guidelines for the testing of plant variety specificity (distinguishability), consistency and stability. purpose is to determine The technical requirements for carrying out the Lee test and the method for judging the test results.

---GB/T 19557.9 Plant variety specificity, consistency and stability testing guidelines mustard. mustard The technical requirements of the test and the method of judging the test results.

---GB/T 19557.10 Guidelines for the Specificity, Consistency and Stability Testing of Plant Varieties Lilium. The purpose is to determine Technical requirements for Lilium testing and methods for judging test results.

---GB/T 19557.11 Guidelines for the Specificity (Distinguishability), Consistency and Stability Tests of Plant Species Actinidia. Purpose It is to determine the technical requirements for the test of Actinidia and the judgment method of the test results.

---GB/T 19557.12 Plant variety specificity, consistency and stability testing guidelines for garlic. The purpose is to determine the large The technical requirements of the garlic test and the judgment method of the test results.

--- GB/T 19557.13 Plant Specificity (Distinction), Consistency and Stability Test Guidelines for Tomatoes. purpose is Determine the technical requirements for tomato testing and the method for judging test results.

--- GB/T 19557.14 Guidelines for testing of plant variety specificity, consistency and stability of Brassica napus. purpose is to determine Technical requirements for testing Brassica napus and methods for judging test results.

---GB/T 19557.15 Plant variety specificity, consistency and stability testing guidelines for sorghum. The purpose is to determine the high The technical requirements for beam testing and the method for judging test results.

--- GB/T 19557.16 Plant variety specificity (distinguishability), consistency and stability testing guidelines for peanuts. purpose is Determine the technical requirements for peanut testing and the method for judging test results.

--- GB/T 19557.17 Plant variety specificity (distinguishability), uniformity and stability test guide pepper. purpose is Determine the technical requirements for pepper testing and the method for judging test results.

---GB/T 19557.18 Plant variety specificity (distinguishability), consistency and stability testing guidelines for cotton. purpose is Determine the technical requirements for cotton testing and the method for judging test results.

---GB/T 19557.19 Plant Specificity, Consistency and Stability Test Guidelines Chrysanthemum. The purpose is to determine the chrysanthemum The technical requirements of the flower test and the method of judging the test results.

--- GB/T 19557.20 Plant variety specificity, consistency and stability testing guidelines eggplant. The purpose is to determine the The technical requirements of sub-tests and the method of judging test results.

---GB/T 19557.21 Plant variety specificity (distinguishability), consistency and stability testing guidelines for melons. purpose is Determine the technical requirements for the melon test and the method for judging the test results.

---GB/T 19557.22 Plant variety specificity, consistency and stability testing guidelines for peas. The purpose is to determine the pea The technical requirements of bean testing and the method of judging the test results.

---GB/T 19557.23 Plant Specificity, Consistency and Stability Test Guidelines Carnation. The purpose is to determine The technical requirements of carnation test and the judgment method of test results.

---GB/T 19557.24 Guidelines for Testing Specificity, Consistency and Stability of Plant Varieties Maize. The purpose is to determine the jade The technical requirements of the rice test and the method of judging the test results.

---GB/T 19557.25 Plant variety specificity (distinguishability), consistency and stability testing guidelines for cucumbers. purpose is Determine the technical requirements for cucumber testing and the method for judging test results.

---GB/T 19557.26 Plant variety specificity (distinguishability), consistency and stability testing guidelines for apples. purpose is Determine the technical requirements for apple testing and the method of judging test results.

--- GB/T 19557.27 Plant variety specificity (distinguishability), consistency and stability testing guidelines for watermelons. purpose is Determine the technical requirements for the watermelon test and the method for judging the test results.

---GB/T 19557.28 Plant variety specificity, uniformity and stability testing guidelines for potatoes. The purpose is to determine Technical requirements for potato testing and methods for judging test results.

---GB/T 19557.29 Plant variety specificity (distinguishability), consistency and stability testing guidelines for cabbage. purpose is Determine the technical requirements for the cabbage test and the method for judging the test results.

---GB/T 19557.30 Guidelines for the testing of plant variety specificity, consistency and stability for pears. The purpose is to determine the pear test The technical requirements of the test and the method of judging the test results.

---GB/T 19557.31 Guidelines for testing of plant variety specificity, consistency and stability of barley. The purpose is to determine the large The technical requirements of the wheat test and the method of judging the test results.

---GB/T 19557.32 Plant variety specificity, consistency and stability testing guidelines for sweet potatoes. The purpose is to determine the The technical requirements of potato testing and the method of judging test results.

---GB/T 19557.33 Guidelines for testing of plant variety specificity, consistency and stability of cauliflower. The purpose is to determine The technical requirements of the cauliflower test and the method of judging the test results.

1 Scope

Guidance on the general principles of test methods and results judgment for safety and stability.

This document is applicable to watermelon variety specificity (distinguishability), consistency and stability testing and result determination.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 19557.1 Guidelines for Specificity, Consistency and Stability Testing of New Plant Varieties General Rules

3 Terms and Definitions

The following terms and definitions defined in GB/T 19557.1 apply to this document.

4 Symbols

The following symbols apply to this document:

MG: Group measurement.

MS: individual measurements.

PQ: Pseudo-quality traits.

QL: quality traits.

QN: quantitative trait.

VG: Group visual inspection.

*: The International Union for the Protection of New Varieties of Plants (UPOV) is used to harmonize important traits required for variety description, unless restricted by environmental conditions the expression status of traits cannot be tested, and all UPOV members are required to use these traits.