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CDFA Pest Prevention Plant Regulation
Exam – Nursery Questions with 100%
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Who is a qualified nursery inspector? - ✔✔Possesses state certificate of qualification in Nursery/Seed Regulation and plant quarantine and pest detection What conditions must be met for a nursery stock license exemption to be given? - ✔✔1)Amateurs (sales less than $1000) 2)All plants are of own production 3)Communicate intent to sell to the commissioner. 4)Grown in same county as sale by the actual seller. What commodities may be sold without a nursery stock license? - ✔✔1) Cut flowers and plants for indoor decoration
- seeds
- cut christmas trees Define Nursery Stock - ✔✔Any plant sold for planting, propagation, or ornamentation Define Commercially Clean - ✔✔Pests are under effective control and are present only to a light degree, and only a few plants in any lot or block show any infestation or infection. Define "Standards of Cleanliness" - ✔✔Nursery Stock shall be free of pests of limited distribution and pests known not to exist in the state.
While doing a nursery inspection, you find a pest that is not known to occur in California. What do you do? - ✔✔1) Isolate the infested lot and affix a noncompliance tag
- issue a hold notice to keep commodities on the premises
- Collect and submit specimens to CDFA laboratory
- Determine Origin of infested lot While doing a nursery inspection, you find a lot that is infested with a pest of general distribution to the point you do not believe the lot to be "commercially clean". What do you do? - ✔✔Remove from sale and affix a noncompliance warning tag to the lot and isolate from non- infested nursery stock. It is at the discretion of the commissioner to allow for reinspection following a treatment for the pest. What time frame is given for a nursery to control an infestation? - ✔✔A "reasonable specified length of time" (30-60 days) Where do you find the laws (statutory authority) and regulations pertaining to the sale of nursery stock? - ✔✔CA Food and Agricultural Code.
- Define "pest" a) Any infectious, transmissible, or contagious disease of any plant b) Any form of animal life c) Any form of vegetable life
A nematode was found in field nursery stock on 40' grid. You sample again on 20' grid and find nothing, you should a)Reject lot where nematode was first found b)Release "considered safe." c)Re-test on 40' grid. d)Reject entire lot - ✔✔b)Release "considered safe." For Nematode treatment, Aerated steam in closed chamber shall reach a)140F for not less than 30 minutes b)180F when all soil reaches this temperature c)130F for not less than 40 minutes - ✔✔a)140F for not less than 30 minutes AXR1, 110R, 1613, and 99R are all rootstocks of a)Roses b)Citrus c)Grape d)Fruit trees - ✔✔c)Grape Treatment for nematode in schedule of the NIPM #12 is based on: a)Soil moisture b)Nematode density c)Previous crop grown - ✔✔a)Soil moisture Fruit tree nursery stock in lots of 10 or more of one variety:
a)Not more than ten percent of the trees in any bundle shall be less than the lower limit of the size specified and not more than twenty percent shall exceed the upper limit. b)Not more than 15% of the trees in any bundle shall be less than the lower limit of the size c)Not more than ten percent of the trees in any bundle shall be less than the lower limit of the size specified and not more than ten percent shall exceed the upper limit d)Not more than ten percent of the trees in any bundle shall be less than the lower limit of the size specified. - ✔✔a)Not more than ten percent of the trees in any bundle shall be less than the lower limit of the size specified and not more than twenty percent shall exceed the upper limit. Paradox is a common graft of: a)Apple b)Pears c)Walnuts d)Persimmon - ✔✔c) Walnuts The root stock most used for roses is: a)Rosa odormat b)Rosa multiflora c)Rosa Canina d)Rosa California - ✔✔b)Rosa multiflora Fruit tree caliper measurements should be taken a)2" from bud union
a)Contact the nurseryman or his authorized representative and review the inspection procedures. b)Spot check known hosts to see if there appears to be any problems c)Begin your inspection near the back, avoiding any interference or inconvenience to nursery customers d)Advise nurseryman of labeling requirements so he can make corrections before you begin the inspection. - ✔✔a)Contact the nurseryman or his authorized representative and review the inspection procedures. California law requires nursery stock to be properly labeled. Which of the following must be labeled with its botanical name? a)Rosebushes b)Apple trees c)Petunias d)Sugar maple - ✔✔d)Sugar maple A shipment of nursery stock being sold to farmer, landscaper, or shipped out of state - a)Doesn't need a label if the buyer agrees to waive it. b)Has to be accompanied by an invoice that identifies the type and number of plants c)Needs at least one label on each separate species or variety. d)Requires a label on each plant - ✔✔c)Needs at least one label on each separate species or variety. Field grown bare root roses harvested after the second season and sold to a dealer: a)Require a grade size on each bundle b)Do not require a grade size
c)Must be labeled as to kind and cultivar - ✔✔a)Require a grade size on each bundle Table grape rootstock must be: a)At least 16 inches in length and ½ inch in diameter b)At least 10 inches in length and ¼ inch in diameter c)At least 8 inches in length and 1/16 inch in diameter d)None of the above. - ✔✔b)At least 10 inches in length and ¼ inch in diameter Grade-sizes have been established for all of the following except: a. Roses b. Grapes c. Apple trees d. Shade trees - ✔✔d. Shade Trees
- A heavy clay soil (>30%) that is to be planted with apple nursery stock: a. Should be sampled for nematodes according to laboratory procedures before digging. b. Should be fumigated with methyl bromide at 400 lbs./acre and tarped c. Should be tilled and aerated prior to fumigation d. Not recommended to be fumigated. - ✔✔d. Not recommended to be fumigated. There is uncertainty whether a particular chemical treatment could damage nursery stock. The best recommendation you can make is: a. Treat a few plants and wait 2 weeks to see if damage occurs
B. treated and certified C. light, moderate, or heavy...depending upon the host D. commercially clean - ✔✔D. commercially clean The CDFA nursery inspection procedures manual provides that Nursery inspections may be conducted using a statistical inspection procedure provided the nursery has: A. less than 90 lots B. a good compliance record C. requests it D. only sells nursery stock wholesale - ✔✔B. a good compliance record When sampling nursery stock for nematode certification, samples should: A. be rinsed and free from soil B. be packaged with a wet paper towel to keep them moist C. be as dry as possible to prevent molding D. include roots and some adhering soil - ✔✔D. include roots and some adhering soil Treatments performed on field-grown nursery stock, done in accordance with the nursery inspection procedures manual, are typically good: A. for 6 months B. for 12 months C. for 18 months D. until the following spring season - ✔✔C. for 18 months
Commissioner shall inspect Nursery stock which is being grow or sold: A. at least once during the year B. a minimum of every other year C. as often as required to assure pest cleanliness D. once during the growing season and again at harvest - ✔✔C. as often as required to assure pest cleanliness Stationary requirements for the license to sell Nursery stock are set forth in the: A. CCR B. CA administrative code C. CA civil code D. CA FAC - ✔✔D. CA FAC
