Effects of Planting date on yield characteristics of Quinoa (Chenopodium quinoa Wild.)

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In order to investigate the effect of spring and autumn planting dates on yield and yield components of quinoa, an experiment was conducted in the form of a randomized complete block design with three replications in 2018 and 2019 in Kavar region located in the east of Fars province in Iran. The experimental treatments were included two seasons of planting, spring: (February 19 and 29 and March 10) and autumn: (July 31 and August 10 and 20). In this experiment Q29 genotype of quinoa, was used. The results showed that planting date has a significant effect on the, grain yield, 1000 grain weight, number of panicles and biological yield. The results showed that planting in February 19 and August 20 had the highest plant height as compared to other dates. The highest hectoliter weight was obtained on February 19. The relationship between the maximum temperature and yield at first was increasingly significant and then decreasing (Cubic equation). The results showed the highest yields from, February 19 to August 20, which due to the suitable planting conditions in spring and also the higher water use efficiency in this period, so the most suitable planting dates is, 19 and 29 of February.In order to investigate the effect of spring and autumn planting dates on yield and yield components of quinoa, an experiment was conducted in the form of a randomized complete block design with three replications in 2018 and 2019 in Kavar region located in the east of Fars province in Iran. The experimental treatments were included two seasons of planting, spring: (February 19 and 29 and March 10) and autumn: (July 31 and August 10 and 20). In this experiment Q29 genotype of quinoa, was used. The results showed that planting date has a significant effect on the, grain yield, 1000 grain weight, number of panicles and biological yield. The results showed that planting in February 19 and August 20 had the highest plant height as compared to other dates. The highest hectoliter weight was obtained on February 19. The relationship between the maximum temperature and yield at first was increasingly significant and then decreasing (Cubic equation). The results showed the highest yields from, February 19 to August 20, which due to the suitable planting conditions in spring and also the higher water use efficiency in this period, so the most suitable planting dates is, 19 and 29 of February. ​​​​​​​