Verticillium—Induced Scorch and Chlorosis in Ash
نویسندگان
چکیده
منابع مشابه
EXCESS PHOSPHORUS and IRON CHLOROSIS
early in the season were less legetative than thobe taken in August and September. The light intensity and light duration to completely keep the standard cultivars vegetatile is 10 to 20 foot-candles for one hour in the middle of the night. A recent experiment on ‘Paul Mikkelsen’ grown at 70’ F revealed that lighting for four hours (10 p.m. to 2 a.m.) with a minimum of 10 foot-candles is necess...
متن کاملChlorosis, anaemia, and anorexia nervosa.
For nearly four centuries a disease known as chlorosis, the green sickness or the virgin's disease, was commonly recognised. There are many references to it in literature and art from the sixteenth to the nineteenth centuries' -3 and numerous clinical descriptions by physicians. Until the middle of the nineteenth century there was, however, no general agreement on the cause of the disease; then...
متن کاملScorch marks from the sky
Daily sunshine duration is commonly reported at weather stations. Beyond the basic duration report, more information is available from scorched cards of Campbell-Stokes sunshine recorders, such as the estimation of direct-beam solar irradiance. Sunshine cards therefore potentially provide information on sky state, as inferred from solar-radiation data. Some sites have been operational since the...
متن کاملLime-Induced Chlorosis
Lime-induced iron chlorosis in citrus and avocado trees may be controlled by chelating agents, such as EDTA-ethylene-diaminetetraacetic acid. Chelating agents have the ability to form complex compounds with metal ions-iron, zinc, manganese, and magnesium-holding the metals in a soluble form in various degrees of tenacity. Iron is held most firmly and, for this reason, the prospects may be best ...
متن کاملBacterial Leaf Scorch of Urban Trees
Bacterial leaf scorch is caused by Xylella fastidiosa Wells et al. The pathogen causes chronic leaf scorch and decline in elm, oak, sycamore, and maple. X. fastidiosa has a wide host range and is responsible for many other serious diseases including Pierce's disease of grape, phony disease of peach, and citrus variegated chlorosis. Its role in shade tree disorders has only recently been recogni...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Environmental Horticulture
سال: 1994
ISSN: 0738-2898,2573-5586
DOI: 10.24266/0738-2898-12.3.124