THE EFFECT OF IRRIGATION REGIMES ON OCCURRENCE OF EARLY SPLIT OF PISTACHIO (PISTACIA VERA L.) CV. OHADI

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SEDAGHATI N.; MOHAMMADI MOHAMMADABADI A.; HOSSEINIFARD S.J.

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Journal: Year:2008 | Volume:21 | Issue:1 (78 IN AGRONOMY AND HORTICULTURE) Page(s): 149-158

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Title

THE EFFECT OF IRRIGATION REGIMES ON OCCURRENCE OF EARLY SPLIT OF PISTACHIO (PISTACIA VERA L.) CV. OHADI

Author(s)

SEDAGHATI N. | MOHAMMADI MOHAMMADABADI A. | HOSSEINIFARD S.J. | Issue Writer Certificate

Keywords

EARLY SPITINGQ3

HULL CRACKINGQ3

AFLATOXINQ3

DEFICIT IRRIGATIONQ2

Abstract

The present study was carried out in Rafsanjan’s suburb pistachio orchards (on ouhadi cultivar) during 2002-2005 growing season for 10 treatments including two irrigation intervals (25days, 45days) and five irrigation skippings in each irrigation interval. During the growing season, amount of ES, irregular cracked, blank and shell split pistachios was evaluated in experimental plots. Our results indicated that long irrigation intervals and DEFICIT IRRIGATION of pistachio trees in late April until early June increased substantially ES formation, twice compared to regular irrigation plots, at harvest stage. The most of ES pistachios observed in treatments that affected by drought stress in early June (T4, T8) amount of 7.7% and 9.6% respectively. There was no special trend in related to created pistachios, but DEFICIT IRRIGATION in July increased the amont of irregular cracked pistachios. Average percentage of ES, cracked and b lank pistachio was increased 2.03%, 2.91% and 4.37% in 45 days irrigation interval in compare to 25 days respectively, however, about shrank and shell split pistachios between irrigation interval treatments difference was no significant. For AFLATOXIN measuring, 120 samples were collected, and pistachio fruits were classified to 3 groups, according to their appearance characteristics, including ES, fruits having cracking hull, and fruits with intact hull. Amount of B1 and B2 AFLATOXIN in ES pistachios were 223.4 ppb and 25.47 ppb (on average) respectively. In cracked hull fruits AFLATOXIN B1 and B2 were 111.06 ppb and 9.71 ppb (on average) respectively. Although, the toxin was observed in none of intact hull pistachio fruits. with attention to high level of AFLATOXIN in ES pistachios, and that the suitable irrigation plays an important role in producing healthy pistachio nuts, we found that proper irrigation management prevents producing ES pistachios and is assumed as an important step for decreasing of AFLATOXIN contamination in pistachios at orchard conditions.

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APA: Copy

SEDAGHATI, N., MOHAMMADI MOHAMMADABADI, A., & HOSSEINIFARD, S.J.. (2008). THE EFFECT OF IRRIGATION REGIMES ON OCCURRENCE OF EARLY SPLIT OF PISTACHIO (PISTACIA VERA L.) CV. OHADI. PAJOUHESH-VA-SAZANDEGI, 21(1 (78 IN AGRONOMY AND HORTICULTURE)), 149-158. SID. https://sid.ir/paper/19549/en

Vancouver: Copy

SEDAGHATI N., MOHAMMADI MOHAMMADABADI A., HOSSEINIFARD S.J.. THE EFFECT OF IRRIGATION REGIMES ON OCCURRENCE OF EARLY SPLIT OF PISTACHIO (PISTACIA VERA L.) CV. OHADI. PAJOUHESH-VA-SAZANDEGI[Internet]. 2008;21(1 (78 IN AGRONOMY AND HORTICULTURE)):149-158. Available from: https://sid.ir/paper/19549/en

IEEE: Copy

N. SEDAGHATI, A. MOHAMMADI MOHAMMADABADI, and S.J. HOSSEINIFARD, “THE EFFECT OF IRRIGATION REGIMES ON OCCURRENCE OF EARLY SPLIT OF PISTACHIO (PISTACIA VERA L.) CV. OHADI,” PAJOUHESH-VA-SAZANDEGI, vol. 21, no. 1 (78 IN AGRONOMY AND HORTICULTURE), pp. 149–158, 2008, [Online]. Available: https://sid.ir/paper/19549/en

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