LY/T 2135-2018Pomegranate (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 replaces LY/T 1893-2010 "Technical Regulations for Cultivation of Pomegranate Seedlings" and LY/T 2135-2018 "Pomegranate Quality Grades".

Compared with LY/T 1893-2010 and LY/T 2135-2018, in addition to structural adjustments and editorial changes, the main technical changes are as follows.

a) The cultivation technology of pomegranate seedlings has been changed (see Chapter 4, Chapter 4 to Chapter 7 of LY/T 1893-2010);

b) Added grafting seedling technology (see 4.6);

c) Added pomegranate cultivation management (see Chapter 5);

d) Pest and disease control has been modified (see Chapter 6, 4.7.7 of LY/T 1893-2010);

e) Added technical requirements for fruit harvesting (see Chapter 7);

f) The technical content of pomegranate fruit quality grade has been changed (see Chapter 8, Chapter 4 to Chapter 6 of LY/T 2135-2018);

g) Added technical requirements for fruit storage and preservation (see Chapter 8).

1 Scope

This document specifies the seedling cultivation, management, pest and disease control, fruit quality grade and storage of pomegranate (Punicagranatum L.) Storage and preservation and other technical requirements.

This document applies to the cultivation of pomegranate seedlings, production and sales of fruits.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to this document.

GB 3095 Ambient Air Quality Standard GB 5084 Agricultural irrigation water quality standard GB/T 6001 Technical regulations for seedling cultivation GB/T 8321 (all parts) Guidelines for the rational use of pesticides GB 15618 Soil Environmental Quality Agricultural Land Soil Pollution Risk Control Standard (Trial Implementation) GB/T 23244 Technical specification for controlled atmosphere storage of fruits and vegetables GB/T 33129 General operating procedures for packaging and cold chain transportation of fresh fruits and vegetables NY/T 496 General principles for the rational use of fertilizers NY/T 525 Organic Fertilizer NY884 Bio-organic Fertilizer NY/T 1276 General Rules for Safe Use of Pesticides

3 Terms and definitions

The following terms and definitions apply to this document.

functionalmaleflower A flower with calyx, petals, and stamens, but with a degenerate pistil.

Note. It has the characteristics of small corolla, thin ovary, trumpet-shaped calyx tube, and falls off after opening. It is commonly known as "bell-shaped flower" and "strong flower".

Complete flower bisexual flower A flower with calyx, petals, stamens and pistils.

Note. It has an enlarged ovary that is approximately cylindrical and can bear fruit after normal pollination. It is commonly known as "tubular flower" or "fruit flower".

4 Seedling cultivation