effect of propagation systems, cutting position and iba concentrations on rooting of malling merton (106, 111) cuttings

نویسندگان

حسن حاج نجاری

استادیار پژوهش بخش تحقیقات باغبانی، مؤسسة تحقیقات اصلاح و تهیۀ نهال و بذر، کرج ـ ایران محیالدین پیرخضری

پژوهشگر بخش تحقیقات باغبانی، مؤسسة تحقیقات اصلاح و تهیۀ نهال و بذر، کرج ـ ایران داریوش آتشکار

مربی پژوهش بخش تحقیقات باغبانی، مؤسسة تحقیقات اصلاح و تهیۀ نهال و بذر، کرج ـ ایران

چکیده

using apple clonal rootstocks is necessary for improving crop efficiency in apple orchards. after graftingof apple cultivars on malling rootstocks, the extra parts of the rootstock was used as stem cuttings. apical,middle and basal parts of these shoots were used as cuttings. two propagation conditions, greenhouse andnursery and three concentrations of indole-3- butyric acid (iba) on rooting, callus production, rootnumber and root length of two apple rootstocks (mm106, mm111). some cuttings were placed upsidedown. the results showed that there were significant differences among the different treatments ofcultural system, cutting position, type of rootstock and iba concentration. the percentage of rooting innursery propagation system with inverted cuttings (28.77%) have significant difference with greenhousesystem (22.19%) and mm106 with 38.82% rooting had a significant difference to mm111 with 12.4%rooting. the highest rooting percentage (38.82%) was obtained at 2500 mg/l of iba.

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عنوان ژورنال:
به زراعی کشاورزی

جلد ۱۵، شماره ۳، صفحات ۱۵-۲۶

کلمات کلیدی
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