تأثیر محلول پاشی متانول در شرایط نرمال و تنش خشکی بر برخی خصوصیات زراعی سیب زمینی

In order to evaluate the effect of spraying Methanol liquid on potato (type Marphona) physiological
characteristics, a research is conducted in form of Split Plot based on completely random blocks with a triple
frequency in the agricultural year of 2013 in a field in Nahavand. Main terraces are including normal
irrigation (per 7 days) and stress irrigation (per 14 days) and stress irrigation from flowering and alternative
terrace including different amounts of Methanol in level 56 (control group , 5, 10, 15, 20 percent massive)
Methanol is used twice in the season of growing per 14 days and the first use of liquid was 45 days after
planting. The results from variance analysis showed that in use of methanol characteristics including the
number of stems yield tuber on hectare significant in the level of %1. The comparison of means for
characteristics showed that the effect of M5 (20) and M4 (15), massive percent of Methanol on the
mentioned characteristics were higher than other cares and the usage of Methanol in cares of 15 and 20
massive percent were respectively 85.44 and 59.87 which caused increase in tuber performance comparing
control care.