(a) Citrus nursery stock grown or sold within, or sold
into, the citrus zone must be grown in a certified citrus nursery
under the provisions of this subchapter.
(b) Citrus nursery stock sold within or into, the citrus
zone must be propagated directly from certified budwood from source
trees that are compliant with the provisions of §21.36 of this
title (relating to Increase Trees and Increase Blocks).
(c) Citrus nursery stock propagated for experimental
use;
(1) Shall be inspected and tested at a minimum once
prior to 12 months post-budding and every 12 months thereafter for
citrus tristeza and citrus greening or any other pest of regulatory
concern;
(A) The department will collect samples for testing
according to the sampling plan in "Survey Protocol in Exclusionary
Facilities for the Interstate Movement of Citrus and Other Rutaceous
Plants for Planting from Areas Quarantined for Citrus Greening, Asian
Citrus Psyllid, and Citrus Canker" developed by the CPHST Plant Epidemiology
and Risk Analysis Laboratory of the Plant Protection and Quarantine
branch of USDA-APHIS. This sampling plan is available at the department's
website at www.TexasAgriculture.gov.
(B) The cost of the laboratory analysis of the samples
shall be borne by the owner of the citrus nursery or research entity.
(2) Shall not be offered for sale; and
(3) May not be commingled with certified citrus nursery
stock intended for sale or any other citrus nursery stock.
(d) If a citrus nursery site is found to be infested
with citrus infesting nematodes or other dangerous soil-borne citrus
pathogens, the citrus nursery stock, plant material, media and containers
for growing citrus nursery stock:
(1) Must be kept at least 18 inches above the floor;
and
(2) Must be prevented from having contact with soil
from the location, unless the soil and infested water from the location
have been sterilized, handled and stored in a manner approved by the
department.
(e) All citrus nursery stock and propagative plants
shall remain within the approved structure at all times or be moved
under protective cover to exclude insects, until distributed for sale
or use.
(f) Citrus nursery stock may be moved directly from
one approved structure into another approved structure, provided the
plants are protected and covered with material designed to prevent
exposure to psyllids at all times during transit as specified in §21.43
of this title (relating to Texas Citrus Nursery Stock Certification
Manual).
(g) Certified citrus nursery stock may not be commingled
with non-certified citrus nursery stock or any other citrus plant
material.
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