lec 2: CNLA stds Flashcards Preview

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Flashcards in lec 2: CNLA stds Deck (22):
1

define bare root

root system without a ball of earth

2

define budded

reders to bud-grafting --> most cultivars

3

define caliper

diameter of tree stem measured 15- 30cm from ground

4

define cane

major shoots of s shrub

5

define collar

region of plant where a root and shoot meet - soil line

6

define collected

dug from native stands- non cultivated areas

7

define container

-pot in which nursery plant grown or sold

8

define crown

part of plant directly above where branching begins

9

define cultivar

cultivated variety

10

define field potted

-dug with intact soil ball and placed in container instead of burlap

11

define grade

-designated size and quality
-Canadian stds for nursery stock

12

define liner

young, immature plants intended for growing in field or containers

13

define plug

used for seedlings and rooted cuttings

14

define root ball

-intact ball of earth container root system

15

define root pruning

-systematic pruning of roots of nursery stock growing in teh field in order to stimulate branching of roots and productions of fibrous roots

16

define whip

-young tree without branches - systematically remove axillary buds to encourage straight upright growth

17

describe process of container production

propagation --> liner --> finished

18

pros and cons of container production

pro: more plants/ area
-more control over production inputs
-sell and ship throughout season
-easy handling
-faster --> lonegr internodes, smaller calipers

cons: more intensive management
-water quality key
-sell or shift to larger planters
-high start up costs $$

19

describe field production

-field dug harvest; field potted, ball and burlap, wire basket

20

pros and cons of field production

pros: less intensive management
-larger sizes of plants
-longer production cycle
-plants can be left in field at end of season
-plants larger, bigger caliper, internodes shorter, take longer o establish in landscape

cons: must be harvested when dormant
-special equipment
-shipping difficult

21

describe field potting

-plant planted in pot in field
- protects roots integrity

22

describe 4 minimum level of quality standards that must be met

1. quality for typical species
2. stock must be viable, free of pests, disease or damage
3. roots must not exposed to frost, wind or sun during transport
4. roots ball must be free of perennial weeds