Japanese Maple Juglone

Rounded form growing 18 feet high and wide.

Japanese maple juglone. Norway spruce picea abies ohio buckeye aesculus glabra pawpaw asimina triloba persimmon diospyrus virginiana poplar populus sp. This is a weeping or mounded form growing 6 feet high and 8 feet wide. Wilting due to lack of water occurs slowly and can be reversed with watering. I planted 35 tomato plants in my garden and they are all turning yellow and wilting they appear to be dying.

Japanese maple acer palmatum cvs. Could juglone be responsible for the death of japanese maple hydrangea petiolaris and porcelain vine. Lenten christmas rose helleborus sp. Crimson queen japanese maple acer palmatum crimson queen.

Depending on where these trees are planted the proximity could affect although the trees you ve noted are not known to become victims. Leaves are the non dissected type. Skeeter s broom japanese maple product information. Summer foliage is.

It does not seem to be a typical tomato problem such as early blight. Plants tolerant to juglone walnut toxicity 2016 waterdown trenton plants tolerant to juglone walnut toxicity botanical name common name groundcovers. Since small amounts of juglone are released by live roots particularly juglone sensitive plants may show toxicity symptoms anywhere within the area of root growth of a black walnut tree. Juglone from black walnut trees juglone from black walnut trees can kill or stunt other plants growing nearby.

A witches broom from bloodgood this cultivar has bright red foliage for spring deepening to a purple red for summer and bright crimson for fall. Plants sensitive to juglone show signs of wilting yellow leaves stunted or slow growth and eventually death. The largest concentrations of juglone and hydrojuglone converted to juglone by sensitive plants occur in the walnut s buds nut hulls and roots. However greater quanti ties of juglone are generally present in the area.

Juglone induced wilting and wilting due to water stress are often confused. Juglone induced wilting often occurs rapidly even when ample soil moisture is present. Acer negundo boxelder maple ashleaf maple acer palmatum japanese maple various acer saccharum sugar maple amelanchier canadensis serviceberrry betula nigra heritage heritage. Most toxicity symptoms arise when juglone sensitive plants are placed within the walnut s root zone an average of 50 to 60 feet from the trunk of a large tree.

Juglone has experimentally been shown to be a respiration inhibitor which deprives sensitive plants of needed energy for metabolic activity. However leaves and stems do contain a smaller quantity. Bloodgood japanese maple acer palmatum bloodgood. Rarely do these trees affect juglone sensitive plants.

Juglone is only poorly soluble in water and thus does not move very far in the soil. Other factors could play a part in the death of the trees such as disease insect.