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:: Volume 11, Issue 44 (12-2019) ::
فیزیولوژی گیاهان زراعی 2019, 11(44): 115-130 Back to browse issues page
Investigation the effect of paraquat application on growth, yield and germination power of canola seed in rotation with rice
Mohamad Rabiee *, Seyed Reza Seyedi
Abstract:   (129 Views)
In order to expedite rapeseed maturity and reduce the overlap time of rice transplanting and rapeseed harvesting in paddy fields of Guilan province, the present  experiment was conducted to investigate the effect of paraquat drying on a factorial randomized complete blocks design with three replications at research farm of Rice Research Institute of Iran- Rasht. Experimental factors considered paraquat consumption at three levels 0.2, 0.4 and 0.6 liters per hectare and three applications time when grain moisture content in silique was 20, 40 and 60 percent. Also, a control treatment without paraquat consumption was considered. The results showed that drying treatment reduced significantly growth duration and accelerated 6 days in rapeseed harvest compared to control treatment and had no significant effect on grain yield (1965 kilogram per hectare), oil percent 43.14 percent) and oil yield (848 kilogram per hectare). Among the investigated treatments, the consumption of 0.2 liters per hectare of paraquat at 60 percent  grain moisture level due to maximum germination percentage (95.1 percent), grain yield (2254 kilogram per hectare), oil yield (984 kilogram per hectare) showed more significant difference than consumption treatments of 0.4 and 0.6 liters per hectare. According to the lack of negative effect drying treatments on grain yield and oil percent of rapeseed, it seems spraying of these compounds by reducing the overlap duration of rapeseed harvesting with rice transplanting in Guilan province, creating employment and preventing field useless in the second half of the year and increasing farmers' income is appropriated.
Keywords: Culture overlapping, Seed moisture percentage, Second culture and Spraying.
Full-Text [PDF 972 kb]   (48 Downloads)    
Type of Study: Applicable | Subject: Crop Physiology
Received: 2020/01/2 | Accepted: 2020/01/2 | Published: 2020/01/2
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Rabiee M, Seyedi S R. Investigation the effect of paraquat application on growth, yield and germination power of canola seed in rotation with rice. فیزیولوژی گیاهان زراعی. 2019; 11 (44) :115-130
URL: http://cpj.iauahvaz.ac.ir/article-1-1246-en.html


Volume 11, Issue 44 (12-2019) Back to browse issues page
مجله علمی پژوهشی فیزیولوژی گیاهان زراعی crop physiology journal
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