NDLI: Phosphorus Uptake, Use Efficiency, and Response of Potato Cultivars to Phosphorus Levels

Content Provider	Springer Nature Link
Author	Soratto, Rogério P. Pilon, Cristiane Fernandes, Adalton M. More, Letícia A.
Copyright Year	2015
Abstract	Utilization of potato (Solanum tuberosum L.) cultivars with greater phosphorus (P) efficiency and response to application of this nutrient is essential to maximize yield, mainly in tropical soils that usually have low P availability. An experiment was conducted under greenhouse conditions in order to evaluate the P uptake rate and the P efficiency for dry matter (DM) production and tuber yield of five potato cultivars (Agata, Asterix, Atlantic, Markies, and Mondial) under low (15 mg dm$^{−3}$ P) and high (150 mg dm$^{−3}$ P) P levels. Plants were grown in pots containing 35 dm$^{3}$ of a Typic Acrortox soil (31% clay, 4% silt, and 65% sand). Mondial and Agata produced high tuber yield under both P levels due to a high P efficiency. Mondial and Asterix were responsive to P applied regarding the tuber DM production and tuber yield. At high P levels, Asterix, which was inefficient and responsive to P application, had similar tuber yield than Agata, which was P efficient and non-responsive. Potato cultivars, such as Markies and Atlantic, which were inefficient and responsive to P application regarding shoot or whole plant DM production, might not produce high tuber yield if the DM partitioning to the tubers is low.
Starting Page	121
Ending Page	134
Page Count	14
File Format	PDF
ISSN	00143065
Journal	Potato Research
Volume Number	58
Issue Number	2
e-ISSN	18714528
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-03-17
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biomass partitioning Phosphorus acquisition Solanum tuberosum Tuber yield Plant Sciences Agriculture Plant Genetics & Genomics Plant Systematics/Taxonomy/Biogeography
Content Type	Text
Resource Type	Article
Subject	Food Science Agronomy and Crop Science

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