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How to Overcome the Top 3 Problems of Tall Tree Spraying

Posted by Sprayer Depot on Wed, May 03, 2017

Spraying tall trees can be tricky business. The need to reach extreme heights can present challenges for spray applicators. At Sprayer Depot, we're always touting the importance of having the right equipment for the job, and this is especially true in tall tree spraying. The "one size fits all" approach does not apply!

tree-spraying.jpgFor example, we get calls from customers who want to use their existing sprayer and simply purchase a new spray gun to spray to further heights.  Unfortunately, this is not how it works: the whole system needs to be adequate.  If you don’t use the right tank, pump, spray hose or spray gun you won’t hit the desired distance.  

Here are 3 important things to consider when spraying tall trees: 

  1. Pick the right tank size - It's necessary for the tank capacity to be 5 - 6 times the max flow rate of the pump. We recommend the largest tank possible while still fitting space requirements. One of the main issues with using a tank that's too small is that the high flow rate of most pumps will empty a small tank quickly and create cavitation in the lines which leads to decreased performance. 
  2. Pick the right pump, spray hose, and spray gun - In order to proper height when spraying tall trees, both flow and pressure are required. So a spray hose with with a diameter large enough that it does not restrict  the flow of the liquid is essential. High pressure will atomize the droplets and allow them to reach increased heights. 
  3. Wear appropriate personal protective equipment (PPE) - PPE protects the body from  hazardous chemicals. To reduce the risk of harm or injury, professional spray applicators should wear face, eye, skin, and hand protection.

Use this helpful guide when determining what equipment to use for tall tree spraying:

Height Pump Engine Spray Hose Spray Gun
Spray 40'

Hypro D30GRGI 

Udor KAPPA43GR

 5.5 HP Honda Engine 1/2” ID Spray Hose

JD9C Replacement 

JD9-C 

Udor Turbine Spray Gun

Spray 50'

Hypro D50GRGI8

Udor KAPPA55GR8

9 HP Honda Engine  1/2” ID Spray Hose 

JD9-C with XL Tip

Udor Turbine Spray Gun

Spray 60'

Hypro D813GRGI

Udor KAPPA75GR

 13 HP Engine 1/2” ID Spray Hose
Udor Turbine Spray Gun
Spray 70'

Hypro D1064GRGI

Udor KAPPA100GR

 20 HP Engine 3/4” ID Spray Hose Long Range Spray Gun 
Spray 80'-90' KAPPA120GR 20 HP Honda Engine 3/4” ID Spray Hose

Long Range Spray Gun 

FMC 785 Spray Gun

To read more about tall tree spray guns, take a look at this prior blog post

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Topics: spray equipment, JD9 Spray Gun, Tall Tree Guns, spraying trees

Time for Dormant Oil Application to Fruit Trees

Posted by Sprayer Depot on Mon, Apr 04, 2016

Do you currently manage an orchard, vineyard, or a nursery? Now is the perfect time to spray Spraying_trees.jpgdormant oil to protect your trees from pests. Timing, spray solution and spray equipment all have an impact on the effectiveness of your application.

Don't forget to take a look at our tall tree spray guns that can output high pressures to ensure proper coverage even on the highest fruit trees. A sprayer such as the Kings Sprayers 50 Gallon 4-Wheel Sprayer, can be pulled by hand and offers great maneuverability making it easy for you to use in tight spaces. Ready to learn more?

Read the article below for tips on applying dormant oil effectively this spring. 

Reprinted from University of Missouri Extension

For home fruit growers the time is here to make annual dormant oil application on selected fruit trees and small fruit species. Dormant oil is a refined petroleum product formulated for orchard tree use. It has been in use for well over a century in commercial orchards, and is still regularly used today. It is classified as an insecticide, and acts by coating over-wintering insects hiding in the tree trunk and limb bark with a suffocating layer of oil. A second type of dormant spray material is liquid lime-sulfur. It is considered a natural product, and is used mainly on small fruit (grapes, blueberries, blackberries), to sanitize stems and kill overwintering fungus.

The two most important insect species suppressed by dormant oil sprays are red mites and scale. Both are common pest problems in fruit trees. Important to remember is that oil sprays will suppress, but do not always totally control these insects. Additional sprays of insecticides will likely be necessary to control these and other insects during the growing season. However, dormant oil decreases the insect populations by killing overwintering adults and eggs, and thus slows seasonal build-ups. This makes it well worth the extra time and cost.

Dormant oil is regularly used on apple, pear, plum, quince and crabapples. It is also recommended for use on currant and gooseberry bushes. As the word "dormant" implies, this spray should be applied before the buds swell or before new growth starts in the spring. If applied after growth starts, the new tissue can be damaged. Application should be done when temperatures are above freezing (35-45F), and when the weather forecast calls for non- freezing temperatures for at least 24 hours after application. It is important to make thorough coverage when you spray, taking care to spray bark crevices and cracks where insects may be overwintering. Dormant oil can be purchased at any garden center, and is relatively inexpensive.

Peaches, nectarines, apricots and to an extent plums, do not often require an oil spray. However if mites have been a problem in the past, then a dormant oil spray is suggested. More important for peaches and nectarines is a dormant spray containing lime-sulfur, or a copper based fungicide for control of peach leaf curl disease. For plum pocket disease in plums, apply chlorothalonil (sold as Daconil). Apply these sprays at any time during the winter, but before the buds swell for the new season.

Grapes, blueberries, gooseberries and brambles (blackberries, raspberries) should be sprayed with liquid lime-sulfur to reduce anthracnose and other disease on the canes. An important note: for all fruit crops, liquid lime-sulfur should not be sprayed with, or in close timing (1 week) with an oil spray as tissue damage can result. Remember, always read and follow label directions for proper use of any pesticide.

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Topics: 4-Wheel Sprayer, Sprayer Depot, Kings Sprayers, Tall Tree Guns, Pesticide spraying, spraying trees, dormant oil, fruit tree sprayers

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