NDLI: Ground cover, photosynthetic rate and tuber yield of potato (Solanum tuberosum L.) crops from seed tubers with different physiological age modified by foliar applications of plant growth regulators

Content Provider	Springer Nature Link
Author	Caldiz, D. O. Clúa, A. Beltra, J. Tenenbaum, S. D.
Copyright Year	1998
Abstract	The modifying effects of applying the plant growth regulators (PGRs) benzylaminopurine (BAP), gibberellic acid (GA$_{3}$) and BAP+GA$_{3}$ on physiological age were studied. Two experiments with two cultivars, differing in rate of physiological ageing (medium-early Pampeana, medium-late Huinkul) and two storage systems were performed during 1988/89 and 1989/90 in two different potato areas of Argentina.In both seasons seed tubers stored in heaps reached an advanced physiological age at planting, compared with tubers from the cold store. Seed tubers of cv. Pampeana were older than those of Huinkul. compared with control crops, those sprayed with BAP maintained ground cover and photosynthesis for longer, and those sprayed with GA$_{3}$ for a shorter period. Consequently tuber yield was decreased by GA$_{3}$ in 1988/89, but in 1989/90 all crops treated with PGRs outyielded the control. BAP could overcome effects of advanced physiological age on crop senescence and tuber yield.
Starting Page	175
Ending Page	185
Page Count	11
File Format	PDF
ISSN	00143065
Journal	Potato Research
Volume Number	41
Issue Number	2
e-ISSN	18714528
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1998-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Life Sciences Agriculture Plant Sciences Plant Genetics & Genomics Plant Systematics/Taxonomy/Biogeography
Content Type	Text
Resource Type	Article
Subject	Food Science Agronomy and Crop Science

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