Wednesday, May 20, 2009

New Publications for 2009

Two new research publications are now available for download on the website. The first publication deals with the impact of different US genotypes of Phytophthora infestans on potato seed tuber rot and plant emergence in a range of cultivars and advanced breeding lines. The second publication discusses recent advances in screening potato cultivars for increased tolerance to common scab (Streptomyces scabies).

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Wednesday, May 07, 2008

Physiologically Induced Heat Stress Posing Problems in Seed Potatoes.

A heat-induced problem affecting seed tubers produced in MI during 2007 may have manifested itself in reduced seed quality for 2008. Tests conducted at MSU have shown that seed tubers are failing to completely suberize after cutting (Fig. 1). This has been seen mainly in the variety Snowden although may be present in other varieties. For more information on this problem and recommendations on how to manage seed from MI in 2008 please refer to the Disease Update: Physiologically Induced Heat Stress Posing Problems in Seed Potatoes.

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Tuesday, May 06, 2008

Fusarium Dry Rot Posing Problems in Potatoes

Fusarium dry rot is one of the most important diseases of potato, affecting tubers in storage and seed pieces after planting. Fusarium dry rot of seed tubers can reduce crop establishment by killing developing potato sprouts. This year there have been reports of Snowden seed lots affected although other seed lots may also be affected. For more information on how to combat this problem please refer to the Disease Update: Fusarium dry rot Posing Problems in Potatoes.

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