Plant species

A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z

symptoms were observed

Listing 1 - 10 from 63 for symptoms were observed
English [9] French [1]

F@B: April 2001 - Hot Topics
... beetle. Similar mortality was reported near Santa Cruz and Big Sur. By 1998 similar symptoms were observed on coast live oak and California black oak by UC Cooperative Extension Farm Advisors ... psyllid (Glycaspsis brimblecombei) was first detected in June 1998, in LA County, and infestations were observed elsewhere in California a month later. The insect feeds on several Eucalyptus species, but ...
nature.berkeley.edu

New Disease Reports - Basal rot of Alstroemeria spp. caused by Fusarium oxysporum in Argentina
... 5 septate), abundant single-celled microconidia borne in false heads on short monophialides; chlamydospores were observed. Rhizoctonia solani was also isolated. Figure 3: Rotted and healthy rhizomes of alstroemeria ... wounded but uninoculated stems, were used as controls. Plants were incubated in a moist chamber for 48 h and then maintained at 22-28C. Typical symptoms were observed on wounded stems ...
www.bspp.org.uk

New Disease Reports - First report of rhododendron powdery mildew on Rhododendron spp. in the Czech Republic
... bushes have frequently been observed infected with powdery mildew in the Czech Republic (Olomouc, Brno, Ostrava, and Zlin). Characteristic powdery mildew symptoms were observed on varieties such as ... were maintained in a garden where temperature ranged between 18 and 30C. After 12 days, typical powdery mildew symptoms appeared on the leaves of inoculated plants. No symptoms were observed ...
www.bspp.org.uk
More from this site

EXTOXNET PIP - MCPA
... rats to greater than 4000 mg/kg in rabbits [5,6]. Symptoms in humans from very high acute exposure could include slurred speech, ... to 15 of gestation), cleft palate, heart defect, and kidney anomalies were observed in the offspring [7]. Mice fed 5 to 100 mg/kg/ ... to bone marrow and ovarian cells of hamsters, but negative results were reported for other mutagenic tests [38]. It was negative in a ...
extoxnet.orst.edu

EXTOXNET PIP - AMITROLE
... has a very low acute toxicity to humans and animals. Associated symptoms in humans include skin rash, vomiting, diarrhea, and nose bleeds. ... the lungs, and hemorrhages of various organs. No toxic effects were observed in a woman who ingested 20 mg/kg, but a ... of a condition resembling runt disease. Similar effects have been observed in mice. Teratogenic effects in humans are unlikely in normal ...
extoxnet.orst.edu
More from this site

When was rose mosaic virus first observed
... first observed When was rose mosaic virus first observed? The bold face was added by me for emphasis (H.Kuska). ... which have been discarded. Some of these old-time clones were discarded because they gradually declined in their ability to produce. ... ten. The recognition of plant viruses is greatly dependent upon visual symptoms and plant pathologists working on rose virus diseases under different ...
home.neo.rr.com

13- Onion, Garlic and Oil Crop Disease:
... out using pesticides. C- Achievement: In 1992, yellowing and dieback symptoms of Chinese garlic were observed in many fields. Penicillium sp. Were isolated from the affected plants. Research is currently underway to ... reducing the number of irrigation times during the growing season not only reduces disease symptoms, but also insures better maturity of garlic and onion at harvest time. Curing for ...
members.fortunecity.com/smgantiry

Pecan
... infected with this fungus shed soon after symptoms are observed. Primary infection occurs on developing leaves in the spring from spores produced on last years foliage. Symptoms usually appear during the summer months ... or leaves, the fungus seldom is a problem during months of frequent rain. Pecans which were previously infected by the powdery mildew fungus are brown in color when the fungus is ...
plantpathology.tamu.edu

Fusarium wilt of field-grown muskmelon in British Columbia
... cantalupensis) was observed during the 1999 and 2000 growing seasons on three farms in the semi-arid interior region near the Okanagan Valley of British Columbia. Initial symptoms were ... were affected, and the most susceptible were Galia and Castella, while Athena appeared unaffected in the field. Pathogenicity tests demonstrated that muskmelon was the only susceptible host and no disease symptoms ...
pubs.nrc-cnrc.gc.ca

Organic Asparagus Production
... because defoliated ferns do not manufacture and store carbohydrate food reserves very well. Symptoms appear in June, when affected ferns develop buff to gray, somewhat elliptical spots ... recommendations have included the application of salt to the soil because plantings were observed to respond favorably and weeds were suppressed. The practice fell into disfavor with the introduction of herbicides ...
www.attra.org




These listings are filtered
View all for symptoms were observed