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Bud necrosis in tulips, a multifactorial disorder


, : Bud necrosis in tulips, a multifactorial disorder. Acta Horticulturae [Technical Communications of the International Society for Horticultural Science] 2: 242-248

This irregularly occurring disorder of unknown aetiology begins in the stamens during storage and may spread to the whole flower and other organs before planting. In some cvs. bud necrosis may be induced by packing bulbs in poorly ventilated boxes when Fusarium infected bulbs are present, so that there is an accumulation of ethylene, causing morphological aberrations.


Accession: 000033462

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Related references

Kassanis, B., 1954: Tobacco necrosis viruses affecting tulips. The disease occurred in the e. and s.-e. counties of England. There is a definite varietial difference in susceptibility, Korneforos being the most susceptible both in the field and in inoculation tests. Inoculation of tulips with virus from tobac...

Rasmussen, E., 1974: Boron can produce tip necrosis in forced tulips. In preliminary trials high applications of boron (15 kg borax plus 2 sprays of 8 kg Solubor/ha) to tulips in the field was followed by leaf tip scorch when the bulbs were forced.

Muller, P.J., 1981: Bud necrosis in tulips, a storage disease that usually becomes apparent during forcing. Bud necrosis is caused by mites (Rhizoglyphus and Tyrophagus spp.) damaging the stamens in the young flower buds inside the bulb, allowing secondary invasion by fungi and bacteria. Mites can only enter the bulbs if the noses are open as a result o...

Mather, J.C., 1955: Trials on soil transmission of tobacco necrosis virus in tulips. Healthy and infected bulbs of the varieties Zimmerman and Korneforos were planted in boxes containing healthy, "infected", and sterilized soil and were subsequently forced. During the trials, which lasted for 3 years, there was little tr...

Munk, W.J.De, 1972: Bud necrosis, a storage disease of tulips. III. The influence of ethylene and mites. Bud necrosis in tulip bulbs was found to be caused by mites that penetrate the flower bud during storage. This penetration is only possible if the buds, which are normally closed, are open at their tips. Such buds were observed in White Sail bulbs...

Mather, J.C., 1955: Trials on soil transmission of tobacco necrosis viruses in tulips. "During 3 years of trials there was little transference of the virus from soil to bulbs, and this may be accounted for by the finding of Kassanis (1954) that the plants may pick up the viruses not during the year in which they show the diseas...

Kassanis, B., 1949: A necrotic disease of forced tulips caused by tobacco necrosis viruses. Tobacco necrosis viruses were found to be the cause of severe necrotic disease which occurred in forced tulips in 3 nurseries. From 20 to 50% of some vars., e.g., Alberio, Korneforus, Crater, Rose Copland and Krelage's Triumph, were affected,...

D.Munk W.J., 1972: Bud necrosis a storage disease of tulips part 3 the influence of ethylene and mites. Netherlands Journal of Plant Pathology 78(4): 168-178

Puntnaergle, A.A., 1976: Some properties of tobacco necrosis virus, causal agent of Augusta disease of tulips. The disease is widespread in Latvia. The best indicator plants were Chenopodium quinoa, Gomphrena globosa and Phaseolus vulgaris. The inactivation point of the virus was 78-80 deg C, longevity in vitro at 18-20 deg 15 days, and dilution end point...

Lange, L., 1977: Augusta disease in tulips the spread of tobacco necrosis virus to the offspring and the occurrence of latent infections. Tulips taken from an Augusta diseased field were tested for infection with tobacco necrosis virus (TNV) by means of test plants and EM. The progeny of these tulips were TNV-tested the following year. The plants which showed symptoms of Augusta dis...