Investigting the effects of some physical and cultural methods on the population of bulb mite (Rhizoglyphus robini) and yield of saffron (.Crocus sativus L)
Research/Original Article (دارای رتبه معتبر)
In this research, the effects of solarization by transparent plastics, planting time and the first irrigation after planting on the populations of saffron bulb mite (Rhizoglyphus robini) and yield (Crocus sativus L.) were investigated. A split plot experiment was conducted based on randomized complete block design with three replicates from 2011 to 2015 in Gonabad, Khorasan Razavi province. Solarization and non-solarization factors were placed in the main plots. Seven crop managing packages including 1- planting without irrigation in September, 2- irrigation immediately after planting in September, 3- planting without irrigation in June, 4- irrigation immediately after planting in June, 5- planting in June and irrigation in August, 6- planting without irrigation in September of the next year, and 7- irrigation immediately after planting in September of the next year were placed in sub-plots. The results showed that regardless of management package, solarization suppressed the mite populations and increased saffron yield. Package 4, Irrigation immediately after planting on June, increased the mite populations and decreased saffron yields. However, package 2, irrigation on September, reduces the mite populations and increases saffron yield. Planting Saffron in June (packages 3, 4, and 5) resulted in more yield compared to Planting at September (packages 1, 2, 6, and 7). The lowest reduction in the population of mites (94%) and the highest yield (77%) were achieved through solarization and by implementing package 3, treatment and cultivation in June of the next year with no irrigation after planting
Saffron Agronomy and Technology, Volume:6 Issue: 3, 2018
323 to 337
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