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Crop Protection Compendium

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AbstractFull Text

Introduction: T. cucumeris is a pathogen with a worldwide distribution and in Japan alone T. cucumeris is reported to infect 35 orders, 52 families, 125 genera and 142 species of plant (Ogoshi, 1996). Yield and economic losses caused by T. cucumeris have not been determined in the majority of crops ...

Author(s)
Back, M.
Publisher
CABI, Wallingford, UK
Citation
Crop Protection Compendium, 2021, 47203,
AbstractFull Text

Aster yellows (AY) group phytoplasmas affect plants by causing a general reduction in quantity and quality of yield. The most severely affected hosts are carrot, lettuce, onion, spinach and several ornamental crops, including aster, gladiolus, hydrangea, chrysanthemum and purple coneflower. Disease ...

Author(s)
Marcone, C.
Publisher
CABI, Wallingford, UK
Citation
Crop Protection Compendium, 2021, 7642,
AbstractFull Text

Peronosclerospora philippinensis, a causal pathogen of maize downy mildews, is one of the major maize diseases reported in some maize-growing countries, especially in the Philippines. High disease incidence has been reported in many parts in the country specifically in northern Luzon and in many...

Author(s)
Cueva, F. M. dela; Castro, A. M. de; Torres, R. L. de
Publisher
CABI, Wallingford, UK
Citation
Crop Protection Compendium, 2021, 44646,
AbstractFull Text

Cowpea mild mottle virus (CPMMV) infects a wide range of cultivated legumes. It causes severe mosaic and/or necrosis on the leaves, stems and pods of beans (Phaselous), cowpea (Vigna) and soyabean (Glycine max). Yield losses of 64-80% have been recorded in groundnuts in Kenya (Bock et al., 1976,...

Author(s)
Brown, J. K.
Publisher
CABI, Wallingford, UK
Citation
Crop Protection Compendium, 2020, 15735,
AbstractFull Text

Xylella fastidiosa has a wide plant host range and spectrum of insect species capable of serving as vectors which should increase the bacterium's invasiveness and make it difficult to prevent introduction via live plants from the tropical or subtropical Americas. The spread of phony disease of...

Author(s)
Robinson, R.
Publisher
CABI, Wallingford, UK
Citation
Crop Protection Compendium, 2020, 57195,
AbstractFull Text

Several reports attribute losses in potato yield to infection by PSTVd. Le Clerg et al. (1944) determined the effect of different amounts of PSTVd on yield of marketable tubers. In 31 trials with five varieties in several states of the USA, a 4% level of infection resulted in a loss of marketable...

Author(s)
Verhoeven, J. Th. J.
Publisher
CABI, Wallingford, UK
Citation
Crop Protection Compendium, 2020, 43659,
AbstractFull Text

F. oxysporum f.sp. vasinfectum causes significant crop losses in several of the main cotton-producing countries. The disease is widespread in the USA, the former Soviet Union (Menlikiev, 1962) and China. In Africa, Tanzania is the worst affected country (Hillocks, 1981). Although losses nationally...

Author(s)
Isakeit, T.
Publisher
CABI, Wallingford, UK
Citation
Crop Protection Compendium, 2020, 24715,
AbstractFull Text

Several commercial cultivars of mango are very susceptible, and losses can be serious if environmental conditions are favourable (Willis, 2009; Pruvost et al., 2011a). On susceptible mango cultivars, namely Keitt, Kent and Tommy Atkins, trees may be weakened through loss of foliage, which...

Author(s)
Doy, M.
Publisher
CABI, Wallingford, UK
Citation
Crop Protection Compendium, 2020, 56950,
AbstractFull Text

Oidium mangiferae is a serious disease of mango and can cause extremely high reductions in yield, mainly as a result of blossom infection (Joubert et al., 1993). Powdery mildew is widespread in India, where it causes significant crop losses; Prakash and Srivastava (1987) reported losses of 30-90%...

Author(s)
Brooks, S.
Publisher
CABI, Wallingford, UK
Citation
Crop Protection Compendium, 2020, 37174,
AbstractFull Text

TSV is prevalent in south-eastern Brazil, and can limit yields of soyabeans in some years (Costa and Carvalho, 1961). Epidemics of soyabean bud blight, caused by TSV, were monitored in two soyabean cultivars sown on seven different dates in 1987-88 in Arapoti County, Parana. The highest final level ...

Author(s)
Tzanetakis, I. E.
Publisher
CABI, Wallingford, UK
Citation
Crop Protection Compendium, 2020, 48107,

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