The Effects of Benzyladenine Applications on Branching of ‘Mondial Gala’ Apple Nursery Trees on MM.106 in the First Year Growth

Yıl 2009, Cilt: 12 Sayı: 1, 66 - 70, 30.06.2017

Semih Çağlar Mürüvvet Ilgın

Öz

Mondial Gala apples grafted on MM.106 rootstocks develop vigorous nursery trees with only a few
poorly distributed long laterals, which is undesirable for early fruiting. Nursery trees of Mondial Gala / MM.106
were sprayed with 0, 200 or 400 mg l–1 of 6-benzyladenine (BA) in order to improve lateral shoot formation. BA
spraying began in mid-June when the growing scion shoots were 60–65 cm above the bud union, and actively
growing scion shoots with leaves were sprayed 1, 2, 3, 4 or 5 times at 3-day interval. The BA treatments
significantly increased the total number and total length of laterals per tree compared with the untreated trees. The
average length and diameters of laterals were also affected by the BA treatments. BA treated trees had significantly
wider crotch angles. Two or three sprays of 200 mg l–1 BA seemed sufficient to form at least four vigorous laterals
(30–50 cm) and two medium growth laterals (10–30 cm) with wider crotch angles.
Keywords: Mondial Gala, MM.106, branching, 6-benzyladenine, apple.

Anahtar Kelimeler

Mondial Gala, MM.106, branching, 6-benzyladenine, apple.

Kaynakça

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