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SEED CERTIFICATION IN CHOW-CHOW

SEED CERTIFICATION IN CHOW-CHOW (Sechium edule Savi.)

I. Application and Amplification of General Seed Certification Standards

A. The General Seed Certification Standards are basic, and together with the following specific standards constitute the standards for certification of chow-chow.

B. The General Standards is amplified as follows to apply specifically to chow-chow: All certified classes shall be produced from the viviparous fruits whose source and identity may be assured and approved by the Certification Agency.

II. Land Requirements Land to be used for seed production of wheat shall be free of volunteer plants.

III. Field inspection A minimum of three inspections shall be made, the first before, the second during flowering and fruiting stage and the third before harvesting of the fruits.

IV. Field Standards

A. General Requirements


1. Isolation Seed fields shall be isolated from the contaminants shown in column 1 of the Table below by the distances specified in column 2 and 3 of the said Table.

 

Contaminants

Maximum Distance (Meters)  

Foundation

Certified

1

2

3

Fields of other varieties

1000

500

Fields of the same variety not conforming to varietal purity requirements for certification

1000

500

 


B. Specific Requirements

Factor

Maximum Permitted (%)*

Foundation

Certified

Off types

0.10

0.20

 



V. Seed (Viviparous fruits) Standards
The seed material (viviparous fruits) shall be reasonably clean, healthy and shall conform to the characteristics of the variety. The fruits not conforming to varietal characteristics shall not exceed 0.10% and 0.20% (by number) for Foundation and Certified seed classes respectively.