HORT 2010 Lab Practical 2

from incrediblelumc on quizlet

nitrogen

What deficiency do these citrus leaves have?

nitrogen

What deficiency do these citrus leaves have?

nitrogen

What deficiency do these grapefruit leaves have?

nitrogen

What deficiency do these blueberry leaves have?

nitrogen

What deficiency do the 'Bluecrop' blueberry leaves on the left have?

thick rind

Does a deficiency in phosphorus (P) cause a thick or thin rind?

phosphorus (P)

What deficiency does the orange on the right have?

phosphorus (P), because it causes older leaves to turn purple

What deficiency do leaves blueberry leaves have? How did you know?

magnesium

What deficiency do these leaves have?

magnesium

What deficiency do these grape leaves have?

magnesium

What deficiency do these stone fruit leaves have?

potassium (K)

What deficiency does the apple of the right have?

magnesium

What deficiency do these citrus leaves have?

potassium (K)

What deficiency do these apple leaves have?

potassium (K)

What deficiency do these blueberry leaves have?

calcium, bitter pit

What deficiency does this apple have? What is the name of this disorder?

calcium, bitter pit

What deficiency does this apple have? What is the name of this disorder?

calcium, bitter pit

What deficiency does this apple have? What is the name of this disorder?

calcium, because the leaves are brittle and cupped

What deficiency do these leaves have? How did you know?

calcium, because the leaves are brittle and cupped

What deficiency do these leaves have? How did you know?

zinc, blind wood

What deficiency do these leaves have? What is the name of this disorder?

zinc

What deficiency do the leaves of the left have?

zinc

What deficiency do these stone fruit leaves have?

zinc

What deficiency do these leaves have?

iron

What deficiency do these blueberry leaves have?

iron

What deficiency do these blueberry leaves have?

arsenic, aluminum, sodium

What are the three non-essential elements that can be toxic?

nitrogen, phosphorus, magnesium, potassium

Name the four mobile macronutrients.

nitrogen, phosphorus, potassium (N, P, K)

What are the three primary macronutrients?

nitrogen

What is the most limiting nutrient in biomass production systems?

phosphorus (P)

Although it is mobile through the plant, _______________ is immobile in soil and does not leach.

phosphorus (P)

A deficiency in ___________________ causes leaves to turn purple.

magnesium

What macronutrient is the principle component of chlorophyll?

potassium (K)

What macronutrient is important in stomatal movements, turgor, phloem transport, enzyme activation?

calcium

What immobile nutrient maintains membrane permeability and is critical for cell elongation and division?

zinc

What deficiency causes a rosette appearance?

catfacing insect

Name the insect.

stink bug

Name the insect.

stink bug

Name the insect.

leaf-footed plant bug

Name the insect.

catfacing injury

What is this injury called?

leaf-footed plant bug

Name the insect.

brown marmorated stink bug (BMSB) damage

What is this injury called?

plum curculio

Name the insect.

pecan weevil

Name the insect.

pecan weevil

Name the insect.

thrips

Name the insect.

thrips

Name the insect.

codling moth

Name the insect.

codling moth

Name the insect.

pecan shuckworm

Name the insect.

spotted wing drosophila

Name the insect.

spotted wing drosophila

What insect causes this injury?

spider mites

Name the insect.

scale insects

Name the insect.

spider mites

What insect causes this injury?

scale insects

What insect causes this injury?

scale insects

What insect causes this injury?

pear psylla

Name the insect.

pear psylla

Name the insect.

walnut caterpillar

Name the insect.

walnut caterpillar

Name the insect.

lesser peachtree borer

Name the insect.

lesser peachtree borer

Name the insect.

brown rot of stone fruit

What is this injury called?

bitter rot

What is this injury called?

peach scab

What is this injury called?

peach scab

What is this injury called?

apple scab

What is this injury called?

apple scab

What is this injury called?

pecan scab

What is this injury called?

powdery mildew

What is this injury called?

powdery mildew

What is this injury called?

peach leaf curl

What is this injury called?

peach rust

What is this injury called?

cotton root rot

What is this injury called?

fireblight on pome fruit

What is this injury called?

fireblight on pome fruit

What is this injury called?

crown gall

What is this injury called?

Pierce's Disease

What is this injury called?

citrus greening

What is this injury called?

citrus greening

What is this injury called?

hail

What weather condition caused this damage?

water core

What is this injury called?

spotted wing drosophila

What insect has a zero tolerance ET for SWD infestation in fresh marketed fruit?

bevelled

When a cut on a branch is __________ or slanted, a new branch forms in the same direction.

apple

For ________ trees, the following structures should be pruned/cut:
- branches that go across the center of the canopy
- branches that grow completely vertical
- spurs
- suckers

pear

On ________ trees, the following structures should be pruned/cut:
- water sprouts
- dead wood

blueberry

For _______________ production, the following growing conditions should be implemented:
- prune new plants close to the ground
- use pine bark beds to facilitate ideal pH
- avoid grass beds
- no canes older than 6 years
- renew the wood

6

For blueberries, canes should not be older than _____ years.

brown

For muscadines, the current year's growth, also known as pan wood, has a _________ color.

gray

For muscadines, the previous year's growth has a _______ color.

2

How many nodes should the brown wood of muscadines be pruned back?

4-5

For muscadines, spurs ought to be spaced ________ inches apart.

current

All fig fruit is produced from the ___________ (choose: current or previous) season's growth.

form

For optimum performance and longevity, tree fruits must be initially trained to a desirable tree _______.

deciduous

Annual pruning is a necessity for ______________ tree fruits.

2-6

If growers expect to maintain consistent yields and high-quality fruit, they should train trees during the first ________ years in life of a plant.

trellis

Bunch and muscadine grapes require special training on ________ systems. A single-wire trellis is the simplest method to use.

wide

The main goal in training young fruit trees is to develop the proper number of _______-angled scaffold branches in a desirable arrangement along the trunk.