EFFECT OF PROHEXADIONE-CALCIUM (REGALIS) ON VEGETATIVE GROWTH OF THE PEAR, VAR. PASSE CRASSANE
Maxhun Shehaj, Petrit Rama, Bari Hodaj
Pagini: 31-39
Publicat: 1 Jan 2013
Vizualizări: 285
Descărcări: 13
Rezumat: Prohexadione-calcium (Regalis) is a shoot growth retardant that inhibits gibberellins biosynthesis. The study aimed to evaluate the efficacy of Regalis by foliar applications in Passé Crassane pear to reduce tree vigor, shoot growth, to improve the structure of the canopy, to accelerate the earliness of fruit bearing and to control the alternate fruit production. Three different dosages were tested: 50ppm, 100ppm 150ppm. Regalis treatments ranging from 50 to 150ppm were compared with control, without treatments. The first treatment was applied 7days after petal fall; the others every 10 days after the first treatment. The data was collected at the end of the vegetation. Shoot growth vigor and length of node was significantly different at 150ppm treatment compare to 100ppm and 50ppm treatments. The mean number of nodes per shoot was not significantly different between different treatments (50ppm, 100ppm,150ppm). Shoot length on nontreated trees was higher than for treated ones.
Cuvinte cheie: prohexadione-ca, regalis, growth retardant, passe crassane
Citează acest articol: Maxhun Shehaj, Petrit Rama, Bari Hodaj. EFFECT OF PROHEXADIONE-CALCIUM (REGALIS) ON VEGETATIVE GROWTH OF THE PEAR, VAR. PASSE CRASSANE. Journal of International Scientific Publications: Agriculture & Food 1, 31-39 (2013). https://www.scientific-publications.net/en/article/1002933/
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