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| Author: | MOHAMED FARAG IBRAHIM |
| Category: | Real Stories Translated [Edit] |
| Language: | English |
| Publisher: | المكتب العربي للمعارف |
| Release Date: | 01 Jan 2014 |
| Pages: | 145 |
| Rank: | 656,170 No 1 most popular |
| Short link: | Copy |
| More books like this book | |
On Potato Production From True Seeds Potato production from true potato seed (TPS) is emerging as a promising alternative to the traditional method of using seed tubers in developing countries . In this method seedling tubers could be produced from true seeds in special nurseries, then, to use them in subsequent generations for ware potato production (Wiersema. 1986). The use of this technology can alleviate the problems mentioned above for many reasons such as: TPS does not carry over most potato diseases to the next generation. Potato seedling tubers production from true seeds (TPS) had been paid great attention in Egypt as an alternative method for potato cultivation. Low germination rate, weak seedling establishment, genetic variation and ultimately non commercial seedling tubers production are the main constrains facing TPS using. Therefore several attempts were done to improve and increase potato seedling tubers. In this concern, potassium plays a pivotal role in influencing potato yield and quality. Potatoes are well known for their heavy consumption of potassium. A high yielding potato crop may remove more than 250 kg K per hectare. Experimental evidences have shown that potassium is essential for the development of the tubers (Tiwari et al, 1982). Insufficient K can result in reduced yields and tuber sizes . Tuber quality factors such as dry matter or starch content, specific gravity, sugar content, flesh color, hollow heart, and bruising are affected by K fertilization. In addition, boron deficiency in crops is more widespread than the deficiency of any other micronutrient Potato yield increases were substantial and consistent up to 35% with boron over control. Foliar feeding of boron proved to be more effective than soil application. Also, the response to boron was better during spring season compared with autumn season . Boron application in vitro enhanced microtubers growth as indicated by tuber size, fresh and dry weights.
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