EFFECT OF VERNALIZATION PERIODS AND PLANTING DATE ON PLANT SURVIVAL, EARLINESS, AND YIELD COMPONENTS OF GLOBE ARTICHOKE

Abd El -Latif, Amany A.; Ibrahem, Nadia M.; Ismaiel, Shadia A.

doi:10.21608/jpp.2015.49768

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	EFFECT OF VERNALIZATION PERIODS AND PLANTING DATE ON PLANT SURVIVAL, EARLINESS, AND YIELD COMPONENTS OF GLOBE ARTICHOKE
Article 9, Volume 6, Issue 5, May 2015, Page 797-808 PDF (538.52 K)
Document Type: Original Article
DOI: 10.21608/jpp.2015.49768
View on SCiNiTO
Authors
Amany A. Abd El -Latif; Nadia M. Ibrahem; Shadia A. Ismaiel
Potato and Vegetatively Propagated Crops Dept., Hort. Res. Inst., ARC Giza.
Abstract
This study was carried out at El-Kanater Research Station, El-Kaluobia Governorate during the two successive seasons of 2012-2013 and 2013-2014, to investigate the effect of two combination, between two vernalization periods (30 and 45days at 5 ⁰C and 85%R.H.) and two planting dates (August 15^th and September 1^st) in addition to control (without vernalization) on growth, yield and its components as well as inulin contents of Globe Artichoke. The experimental design was complete randomized block design with three replications. Results show clearly that plants vernalizaed for 30 or 45 days and planted on September 1^st gave the highest plant survival percentage followed by those vernalized for 45 days and planted on August 15^th in the two tested seasons. The lowest survival percent was shown in non vernalized plants planted on August 15^th or on Sept.1^st. Also vernalization for 30 days then planting on September 1^st and vernalization for 45 days and planting on Aug.15^th gave the highest leaf number and head dry mater content. Number of early heads per plant and per feddan increased significantly with vernalization than control. Vernalization for 30 days then planting in Sept.1^st showed significantly the highest weight of early yield per plant as well as weight and diameter of receptacle in the two tested years. Plants received vernalization for 30 days and panted on Sept.1^st gave the highest number of total heads / plant and per feddan in the two tested years. plants vernalized for 45 days then planted in Aug. 15^th produced the highest significant total yield /plant and inulin contents in the two tested years. Late planting showed significant decrement in the diameter of flower heads of total yield regardless vernalization. The study recommends that vernelization of Globe Artichoke plant materials at 5^oC and 85%RH in peat moss layers for 30 days before early planting on Aug.15^th is very needed to enhance plant survival, yield and quality as well as inulin content in Globe Artichoke heads
Keywords
Globe artichoke; vernalization; planting date; yield and quality


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