The following was authored by Louis Lego of Elderberry Pond, with assistance from Brian Caldwell of Cornell University.
Apple Scab is perhaps the most devastating of all disease or insect disorders impacting apple production in the Northeast. While there … Read more
The following is good reading when considering dwarf rootstocks in the colder climates. This is one of the many studies done through the US SARE system. (Look for more SARE project posts on our website.)
Authored by John O’Meara of … Read more
Young grafts should be treated closer to vegetable starts than to trees. A nursery bed for that first year, at least, is required. Although the tree will require different environmental and nutritional needs than an annual, they do need the … Read more
Do you see many orchards around here choosing to irrigate?
Irrigation of course, can mean a lot of things. What is being asked here I think is whether or not a constructed system is put in place to deliver the … Read more
This is a very brief time lapse. The apple branched was forced into bloom in a jar of water, indoors in order to shoot the sequence.
Characteristic damage of fruit from wasp species. This was created from yellow jacket wasps, but similar damage is caused by bald faced hornet and various other wasps and true hornets. Additionally, beetles (ie japanese beetle) and chafers can cause excavated … Read more
It should be understood that plant roots and aerial portions of those same plants vary in their resistance to cold damage. Apple tree roots for instance, can be more than 60 degrees (F) more susceptible to damage or death from … Read more
I wanted to bring attention to a study we are doing at Walden Heights. In both research and direct observation, there is evidence that crowding of root systems leads to some dwarfing effects. Apples in particular tend to avoid growing … Read more
For those interested in planting a dwarf apple orchard in the cold climates of North America:
Walden Heights is zone 3 NE Vermont at 1700ft, and has seen -40 this decade. The lower snow cover and temperature swings lately will … Read more
The espalier (that’s ess-pal-yay) is a fancy word for a fancy tree. Specifically it is a tree or bush that is trained to grow in one plane, give or take. It really can be grown anywhere, but it took its … Read more
Salvestrol is one of the new words around town. It is apparently another helpful substance in the fight against cancer. Fitting in nicely with the other health benefits of eating fresh fruits, it also is helpful in giving us pause … Read more
extreme watercore in apple (image : Red58bill)
This is appearing in the disease section, but does not really fit within this category. It is however often thought of as such. Really an affliction of poor management, but with some varieties … Read more
Apple scab (Venuria inaequalis) is a fungal disease of malus species specifically, affecting all species and nearly all varieties of apple and crabapple.… Read more
We get many inquiries about this one from worried growers. “What is this awful disease growing on my apple tree?” they wonder. Well, its not a disease, and it isn’t a worry either…its a lichen. Lichen if you don’t know … Read more
A tree under repair does not truly heal in the classic sense of the word. The damaged tissue does not undergo the same sort of process that, for example, a human wound does. Most of the exposed tissue simply dies, … Read more
Seedling apple trees will have variable susceptibilities to the Fireblight bacterium erwinia amylovora simply due to genetic differences in each plant. There are, however, several factors inherent in the general behavior of most seedling trees. Pear trees may be considered … Read more
An apple a day keeps the doctor away. Ok here’s why.
Carbohydrate 21 grams
Dietary Fiber 4 grams
Calcium 10 mg
Phosphorus 10 mg
|Iron .25 mg|
Sodium 0.00 mg
Potassium 159 mg
This list is evolving, but here is a list of cultivars that have proved well in zone 3 (some will do well in colder zones as well) :
duchess of oldenburg
tetovski… Read more