Comprehensive Resources for Agriculture: Topical Questions, Past Papers, and Answers
Atika School
Maximizing Potato Crop Success through Effective Dormancy Breakage
Chitting refers to the process of breaking dormancy in Irish potato tubers before planting. It involves exposing the tubers to light and allowing them to sprout or develop small shoots before they are planted in the soil.
The purpose of chitting is to initiate the growth of potato tubers and promote earlier and more uniform emergence when planted. By exposing the potatoes to light and providing favorable conditions, chitting encourages the development of sprouts from the eyes or buds on the tubers. To chit potatoes, select healthy, disease-free tubers with well-developed eyes. Place them in a cool, dry, and well-ventilated area, such as a tray or egg carton. Position the tubers with the end that has the most eyes facing upward. During the chitting process, it's important to protect the tubers from frost or excessive heat, as extreme temperatures can damage the emerging shoots. Maintain a temperature range of around 50-60°F (10-15°C) to promote healthy sprout development. After a few weeks, you will notice small sprouts emerging from the eyes of the tubers. These sprouts, known as chits or shoots, will grow to a certain length before the potatoes are ready for planting. Chitting can provide several benefits for potato cultivation, including: ​
Chitting is commonly practiced in regions with shorter growing seasons or cooler climates to optimize potato production. However, it is not always necessary for all potato varieties or growing conditions. Some early-maturing potato varieties may not require chitting, while others may benefit from the process. It is advisable to follow the recommendations specific to your potato variety and local growing conditions.
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