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Abstract
BackgroundGlobe artichoke Cynara scolymus L. is an important vegetable crop. Poor crop stand due to the low ratio of stumps surviving is the common problem which occurs with using vegetative parts. The current study evaluated two seed-propagated cultivars of artichoke: treated by GA3 and melatonin applications in newly reclaimed land.ResultsResults showed that Imperial Star produced higher values of vegetative growth, yield productivity, and chemical contents, compared with Romanesco cultivar. GA3 foliar application treatment ranked the first to increase vegetative growth, yield productivity, and chemical contents, followed by melatonin treatment, compared with untreated control.ConclusionIt could be concluded that the use of GA3 and melatonin were favorable for the production of both artichoke cultivars: Imperial Star and Romanesco. The highest productivity was achieved by foliar application of GA3 to Imperial Star cultivar.
Highlights
Globe artichoke Cynara scolymus L. is an important vegetable crop
The current study evaluated two seed-propagated cultivars: Imperial Star and Romanesco treated by GA3 and melatonin applications
Vegetative growth characters The effects of foliar application treatments (GA3 and melatonin treatments) on all vegetative growth characters: plant height, number of leaves per plant, leaf area, leaf fresh weight, and leaf dry weight as well as chlorophyll content compared with untreated control of the two artichoke cultivars (Imperial Star and Romanesco) are presented in Table 1 at 70 days after transplanting (DAT) and Table 2 at 110 DAT during the two successive growing seasons of 2017/2018 and 2018/2019, respectively
Summary
Globe artichoke Cynara scolymus L. is an important vegetable crop. The current study evaluated two seed-propagated cultivars of artichoke: treated by GA3 and melatonin applications in newly reclaimed land. Globe artichoke Cynara scolymus L. is an important vegetable crop belongs to Composite family and a native Mediterranean crop (Ryder et al 1983; Lattanzio et al 2009). In Egypt, artichoke fields are traditionally established by using the vegetative parts, e.g., offshoots and stump sections from plants that have been cut down from older fields. Globe artichoke is cultivated mainly in El-Behira, Alexandria, and Giza governorates and newly reclaimed lands. Globe artichoke was cultivated on 30,111 feddans during September 2015 Seed-grown globe artichoke seems to be promising technique and can represent a valid alternative to traditional methods all over the world.
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