Reference : Effect of irrigation at critical stages on the phenology of flowering and fruiting o...
Scientific journals : Article
Life sciences : Agriculture & agronomy
Effect of irrigation at critical stages on the phenology of flowering and fruiting of the cactus Opuntia spp.
Arba, Mohamed mailto [Université de Liège - ULiège > > > Gembloux Agro-Bio Tech]
Falisse, André [Gembloux Agro-Bio Tech, University of Liège, Liège, Belgium > > > >]
Choukr-Allah, Redouane [Hassan II Institute of Agronomy and Veterinary Medicine, Horticultural Complex of Agadir, Morocco > Department of Horticulture > Plant ecophysiology unit > >]
Sindic, Marianne mailto [Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Chimie des agro-biosystèmes >]
Brazilian Journal of Biology
Yes (verified by ORBi)
[en] Opuntia ; Cactus pear ; Bud emission ; Flowering ; Fruiting
[en] This paper briefly reports some effects of irrigations at two critical periods on the phenology of three varieties of cactus pear cultivated in Agadir area: the spineless varieties ‘Aissa’ and ‘Moussa’ and the thorny one ‘Achefri’. In the first year experiments (2010-2011) treatments of irrigation used were: (T1) 0 mm, (T2) 30 mm during flowering and 30 mm during fruit enlargement and (T3) 30 mm only during fruit enlargement. In the 2nd year experiments, irrigation treatments were: (T1) 0 mm, (T2) 60 mm during flowering and 60 mm during fruit enlargement and (T3) 60 mm only during fruit enlargement. Treatments of irrigation were applied between mid-April and mid-June in the 1st year experiments and in February and May in the 2nd year experiments. Results of the first year experiments showed that the emission of buds was higher in the thorny variety than in the spineless ones (more than 6 emitted buds/cladode vs less than 4.5 in the spineless varieties). In the second year, irrigation increased the emission of buds in the three varieties (more than 7 emitted buds/cladode for each T2 and T3 of all varieties vs not more than 5 for T1) and the duration of the flowering phase of these varieties. However, irrigation did not modify the proportions of fruits reaching commercial maturity during the early or the late period of maturation.
Researchers ; Students
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