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Potatoes are sensitive not only to freezing but also to chilling. Chilling injury occurs if tubers are exposed to temperatures between 0° and 3°C. Chilled tissue willdiscolour, turning grey or black, even though ice crystals have not…
As of January 31, inclusive, 460,000 tons of Dutch seed potatoes have already been sent abroad. According to the Dutch Potato Organization (NAO), this is more in the marketing season now than four years before.Of these 460,000…
This disorder is more frequent in physiologically aged tubers and in those stored at 12°C. Pile pressure also causes sprouts to grow internally.Applying the sprout inhibitor CIPC (chlorpropham) below the recommended rate or when tubers are beginning…
Data from 2021 presented in the Potatoes New Zealand (PNZ) annual report shows minimal impact on production despite a rough couple of years, as Sudesh Kissun reports for Rural News. The overall value of the industry including the domestic and…
Translucent End (Sugar End). High temperature or moisture stress during the early stages of tuber growth may interfere with starch deposition at the stem end ofthe tuber.Jelly End Rot. Often, the tissue of tubers affected with translucent…
Blackheart is caused by a deficiency of oxygen that impairs tuber respiration. Freshly harvested tubers are especially vulnerable to blackheart if held in alow-oxygen environment. In storage, tubers become prone to blackheart if stored in closed bins…
Potatoes have received a key health boost on the back of a major research project recently completed by staff at the Pennington Biomedical Research Centre in the United States. The study confirms that the potato is a…
The vascular tissue turns brown near the stem end of the tuber. In severely affected tubers, vascular discolouration will extend throughout the tuber to the bud end. This disorder develops either in the field or during the…
Land availability, rising social and regulatory pressures, and soaring costs are also major challenges for seed producers. But in general, the sector is optimistic about the future. Growing profitably requires that the payout prices offered by trading…
This disorder has been associated with calcium deficiency, low soil moisture and periods of uneven growth. Round or irregularly shaped, light-brown necroticspots can be located anywhere in the tuber. Internal brown spots in seed pieces. Numerous brown…
High soil and tuber temperatures cause heat necrosis.It occurs when a period of slow tuber growth is followed by active tuber growth at high temperatures. Light to dark brown necrotic spots or blotches form in thevascular tissue…
Field robots can play a critical role in sustainable farming. This was recently demonstrated at the annual congress of the Dutch Association for Agricultural Technology in Wageningen, Gelderland. But good crop management is the foundation. Field robots,…
