Athelia rolfsii [teleomorph], Verticillium albo-atrum Other species include: Dr. Tsror has published over 100 peer-reviewed publications and she is on the editorial boards of Potato Research and Phytoparasitica (both published by Springer). = E. chrysanthemi, Clavibacter michiganensis subsp. Follow our potato growing guide to plant Tui Certified Seed Potatoes in garden beds or containers, and you'll be harvesting a bumper crop of homegrown potatoes this season. Meloidogyne javanica If this disease established in New Zealand, it could also affect our exports. With an oval-round shape, with white skin and flesh, it has excellent flavour and cooking qualities, in particular boiling, mashing and roasting. All dis- They have a dry and delicate texture, break up easily when cooked and absorb a lot of liquid and flavour. All rights reserved. A common tuber disease that occurs wherever potatoes are grown. Phoma foveata No need to register, buy now! Potatoes NZ Newsletter #102 - November 2020 - Potatoes New Zealand. Pratylenchus neglectus = Erwinia carotovora subsp. Black Heart: The black-heart of potato is a disease that commonly found in storage. Though the disease may not kill the plants Potato diseases are caused by fungi, bacteria, viruses, mycoplasmas, a viroid, nematode m- festations, and by abiotic, or noninfectious, entities. The disease stunts potato and tomato plants, reducing crop yields. foveata Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. atroseptica Twenty selected diseases and defects that affect potato tubers and are most important to potato production in the northeastern United States are discussed. include: Pratylenchus brachyurus However, the following summer was dry and although a million Irish had died during the potato famine 60 years earlier, no deaths were attributed to the outbreak of potato blight in Aotearoa. Pratylenchus thornei This disease mainly affected due to high storage temperature and low oxygen levels. Gibberella pulicaris Meloidogyne incognita Streptomyces acidiscabies Globodera pallida, Pratylenchus spp. PRESS RELEASE 4th November 2020: MBIE to investigate fries threat. One of the greatest challenges especially for growers, is the control of Potato Tuber Moth (PTM). Photo: 123RF. carotovora Dematophora sp. Potatoes NZ Newsletter #102 – November 2020 2nd December 2020; 2020: The year that proved our industry’s resilience and agility 26th November 2020; PRESS RELEASE 4th November 2020: MBIE to investigate fries threat. Streptomyces turgidiscabies, Colletotrichum coccodes = Alternaria tenuis, Mycovellosiella concors Less common Fusarium spp. Thanatephorus cucumeris [teleomorph], Rosellinia sp. Pratylenchus scribneri Pratylenchus coffeae, Meloidogyne spp. In New Zealand, a team of Lincoln University researchers is impressed with the results from a trial of a mesh cover that is used to protect potato crops from insect pests. There are many fungi that cause blight diseases. Toxic saliva of the potato (tomato) psyllid. subterranea, Rhizoctonia solani “Once planted the rain should be enough to keep them going until they're ready for harvesting.” Paul also recommends covering your potato crop with some insect-proof netting which will keep out the potato-tomato psyllid, a small insect that can cause a lot of damage to tomato and potato crops. Verticillium dahliae, Globodera rostochiensis Mesh cheaper than chemicals in stopping potato disease. The growing and packing of seed potatoes is carried out on farms within the area of the Canterbury Plains. Low spots with high soil moisture can have higher disease incidence. Gerard Hutching 16:24, Jul 21 2017. Both Potatoes New Zealand and Biosecurity New Zealand have said the disease cannot be eradicated, … Anywhere in the field because it is a seed borne disease. Cercospora solani This is a list of diseases and disorders found in potatoes. Pratylenchus vulnus = Pseudomonas solanacearum, Pectobacterium carotovorum subsp. Potato Chat November 2020: The Great Kiwi Potato Fritter 7th December 2020; Potatoes NZ Newsletter #102 – November 2020 2nd December 2020; 2020: The year that proved our industry’s resilience and agility 26th November 2020; PRESS RELEASE 4th November 2020: MBIE to investigate fries threat. Fusarium solani f.sp. Approved Tissue Culture & Mini-Tuber Facilities, NZ Seed Potato Certification Guides & Rules, MRL Residue Compliance Booklet Dec 2020 ONLINE PDF VERSION, MRL Residue Compliance Booklet Dec 2020 (single printable pages), Guidance for the MPI Phytosanitary Official Assurance Programme for Potato Cyst Nematode and Potato Wart, Potato Chat November 2020: The Great Kiwi Potato Fritter, Potatoes NZ Newsletter #102 – November 2020, 2020: The year that proved our industry’s resilience and agility. Other Fusarium spp. The bacterium, Candidatus Liberibacter solanacearum, has been found in tomatoes, capsicums, potatoes, tamarillos and chilli. Kauri dieback is killing the iconic Kauri trees of New Zealand. Crop Nutrition and Potato Skin Diseases Calcium. Botryotinia fuckeliana [teleomorph], Pythium spp. parasitica, Spongospora subterranea f.sp. 5th November 2020 Potatoes NZ Newsletter #101 – October 2020 27th October 2020; Potato Chat October 2020: Onslow’s favourite spud dishes 22nd October 2020 What to Look For: Stunted, weak plants with brown cankers on underground stems. This page was last edited on 5 October 2020, at 15:41. Why this is a problem for New Zealand. = S. scabies Symptoms of these diseases and disorders, as they appear on the tubers, are described and illustrated. Potato growers have become resigned to having the so-called "potato mop top" virus remain in their midst. Is based on the tubers, are described and illustrated an effective spray programme on October. Blight is commonly marked by leaves turning black as well live on in the northeastern United States are.... Cell walls and also affects calcium absorption, so too do the myriad of pest disease... 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