scholarly journals Lowering quality damage in open-field vegetables caused by Meloidogyne chitwoodi and M. fallax in the low countries.

2021 ◽  
pp. 304-309
Author(s):  
Wim M. L. Wesemael ◽  
Johnny Visser

Abstract The Low Countries (the Netherlands and Belgium) provide some of the best agricultural soils in the world for open-field vegetable production rendering high yields per hectare. Since the 1990s, pre-harvest quality control of carrots (Daucus carota) and black salsify (Scorzonera hispanica) showed an increase in tap root damage with severe galling and rough surface rendering the infected vegetables unprocessable. This quality damage was caused by the polyphagous root-knot nematodes Meloidogyne chitwoodi and M. fallax. This chapter discusses the geographical distribution, damage symptoms, economic impact, recommended integrated management, and management optimization of M. chitwoodi and M. fallax. Future research requirements and future developments are also mentioned.

2021 ◽  
pp. 347-353
Author(s):  
Johnny Visser ◽  
Wim M. L. Wesemael

Abstract Meloidogyne chitwoodi and M. fallax have been important nematode problems in arable farming in the Netherlands and Belgium ever since their detection in the 1980s. Their quarantine status and the damage inflicted on product quality in important cash crops such as potato, carrots, black salsify and gladiolus has increased drastically the need for integrated nematode management strategies that prevent yield losses and further spreading. This chapter elaborates on the economic importance, host range, distribution, symptoms of damage, biology and life cycle, interactions with other nematodes and pathogens, recommended integrated nematode management (prevention, inventory, crop rotation and supporting measures), and management optimization of M. chitwoodi and M. fallax. Future research requirements are also mentioned.


2021 ◽  
pp. 255-262
Author(s):  
Raman K. Walia

Abstract This chapter discusses the economic importance, geographical distribution, host range, damage symptoms, biology and life cycle, interactions with other nematodes and pathogens, recommended integrated management, and management optimization of root-knot nematodes (Meloidogyne spp.) in open-field and protected tomatoes in India. Future research requirements and future developments are also mentioned.


2021 ◽  
pp. 394-399
Author(s):  
Matthias Daub

Abstract The beet cyst nematode (BCN) was one of the first discovered plant parasitic nematodes. Heterodera schachtii was observed in 1859 in Halle in Central Germany by the botanist Herman Schacht and described later by Adolf Schmidt in 1871, who named this cyst nematode species after its original discoverer. Partly due to the lack of knowledge about the effect of sugar beet monocultures on the population build-up of BCN, this nematode had a devastating impact on sugar production in 1876 that led to the shutdown of 24 sugar factories in Germany. This chapter discusses the economic importance, distribution, host range, damage symptoms, biology and life cycle, interactions with other nematodes and pathogens, recommended integrated management, and management optimization of H. schachtii. Future research requirements and future developments are also mentioned.


2021 ◽  
pp. 159-166
Author(s):  
Luis Ernesto Pocasangre Enamorado

Abstract This chapter discusses the economic importance, geographical distribution, host range, damage symptoms, biology and life cycle, interactions with other nematodes and pathogens, recommended integrated management, and management optimization of Radopholus similis infesting bananas. Future research requirements and future developments are also mentioned.


2021 ◽  
pp. 284-289
Author(s):  
J. Ole Becker

Abstract This chapter discusses the economic importance, geographical distribution, host range, damage symptoms, biology and life cycle, interactions with other nematodes and pathogens, recommended integrated management, and management optimization of Meloidogyne incognita infesting carrots in California, USA. Future research requirements and future developments are also mentioned.


2021 ◽  
pp. 167-173
Author(s):  
Danny Coyne

Abstract This chapter discusses the economic importance, geographical distribution, host range, damage symptoms, biology and life cycle, interactions with other nematodes and pathogens, recommended integrated management, and management optimization of plant parasitic nematodes infesting bananas. Future research requirements and future developments are also mentioned.


2021 ◽  
pp. 297-303
Author(s):  
Pella Brinkman ◽  
Misghina Goitom Teklu

Abstract Stem and bulb nematode, Ditylenchus dipsaci, is one of the few plant parasitic nematode species infesting above-ground plant parts. It can be transmitted through infested planting material and seed, survive longer periods in the soil, has a broad host range and a relatively short life cycle and high multiplication rate. Further, it is able to cause substantial post-harvest losses in stored onions, making it a difficult nematode to manage. This chapter discusses the economic importance, geographical distribution, host range, damage symptoms, biology and life cycle, interactions with other nematodes and pathogens, recommended integrated management, and management optimization of D. dipsaci. Future research requirements and future developments are also mentioned.


2021 ◽  
pp. 290-296
Author(s):  
Johnny Visser

Abstract This chapter discusses the economic importance, distribution, host range, damage symptoms, biology and life cycle, interactions with other nematodes and pathogens, recommended integrated management, and management optimization of Pratylenchus penetrans infesting onion. Future research requirements and future developments are also mentioned.


2021 ◽  
pp. 231-237
Author(s):  
Andreas Westphal

Abstract This chapter discusses the economic importance, geographical distribution, host range, damage symptoms, biology and life cycle, interactions with other nematodes and pathogens, recommended integrated management, and management optimization of Pratylenchus vulnus infesting nut crops in California, USA. Future research requirements and future developments are also mentioned.


2021 ◽  
pp. 263-269
Author(s):  
Nicola Greco ◽  
Nicola Sasanelli

Abstract This chapter discusses the economic importance, host range, damage symptoms, biology and life cycle, recommended integrated management, and management optimization of root-knot nematodes (Meloidogyne spp.) in protected tomatoes in Italy. Future research requirements are also mentioned.


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