EFFECTS OF FOLIAR APPLICATIONS OF NITROGEN, BORON, AND ZINC ON FRUIT SET AND THE SOME QUALITY OF ALMONDS

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BAI BOURDI A.; MALAKOUTI M.J.

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Journal: Year:2005 | Volume:18 | Issue:3 (68 IN AGRONOMY AND HORTICULTURE) Page(s): 32-40

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Title

EFFECTS OF FOLIAR APPLICATIONS OF NITROGEN, BORON, AND ZINC ON FRUIT SET AND THE SOME QUALITY OF ALMONDS

Author(s)

BAI BOURDI A. | MALAKOUTI M.J. | Issue Writer Certificate

Keywords

NITROGENQ3

BORONQ3

PRIMARY FRUIT SETQ2

FINAL FRUIT SETQ4

ALMONDSQ4

Abstract

Almonds (Prumus amygdalus) fruit drops is a serious problem of almond growers in the country. Nutrient elements particularly NITROGEN, zinc, and BORON are effective in preventing this problem. A randomized complete block experiment with 18 treatments and 3 replications was carried out on a total of 108 eight year old trees of Azar variety during two growing seasons from 2002-2004 in Shabestar region. First factor consisted of NITROGEN application urea solution at two concentrations of 0 and 0.5%, second factor boric acid at 3 concentrations of 0, 0.2 and 0.4 percent. The highest rate of PRIMARY FRUIT SET (24 percent) was obtained with the highest concentrations of BORON and zinc. The highest rate of second fruit set (15 percent) was obtained with the second and the third highest concentrations of boric acid. The greatest weight of single nut (2.4 g) was obtained with the combined foliar applications of a solution of urea at 0.5% concentration and a solution boric acid at 0.4% concentration. The highest percentage of nut (14 percent) was obtained at the third BORON level. The longest almond fruit (4.4 cm) was obtained at the third BORON level. The widest almond fruit (3.1 cm) was obtained at the second and the third BORON levels. The highest percentage of oil (53%) was obtained with the third BORON level without any NITROGEN treatment. The greatest percentage of hard shells (22%) was obtained with the combined application of second level of NITROGEN along with the second or third levels of boric acid. The highest protein content (23%) was obtained with combined application of 2 rd level of urea third level of boric acid. No significant effects of interaction of year into location on measured paramagnet were seen with any of the treatments.

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APA: Copy

BAI BOURDI, A., & MALAKOUTI, M.J.. (2005). EFFECTS OF FOLIAR APPLICATIONS OF NITROGEN, BORON, AND ZINC ON FRUIT SET AND THE SOME QUALITY OF ALMONDS. PAJOUHESH-VA-SAZANDEGI, 18(3 (68 IN AGRONOMY AND HORTICULTURE)), 32-40. SID. https://sid.ir/paper/19814/en

Vancouver: Copy

BAI BOURDI A., MALAKOUTI M.J.. EFFECTS OF FOLIAR APPLICATIONS OF NITROGEN, BORON, AND ZINC ON FRUIT SET AND THE SOME QUALITY OF ALMONDS. PAJOUHESH-VA-SAZANDEGI[Internet]. 2005;18(3 (68 IN AGRONOMY AND HORTICULTURE)):32-40. Available from: https://sid.ir/paper/19814/en

IEEE: Copy

A. BAI BOURDI, and M.J. MALAKOUTI, “EFFECTS OF FOLIAR APPLICATIONS OF NITROGEN, BORON, AND ZINC ON FRUIT SET AND THE SOME QUALITY OF ALMONDS,” PAJOUHESH-VA-SAZANDEGI, vol. 18, no. 3 (68 IN AGRONOMY AND HORTICULTURE), pp. 32–40, 2005, [Online]. Available: https://sid.ir/paper/19814/en

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