EFFECT OF DIFFERENT HERBICIDES ON WEED CONTROL AND YIELD OF RATOON RICE (ORYZA SATIVA)

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KHAKZAD R.; VALIOLAHPOR R.

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Journal: Applied Agricultural Research Year:2015 | Volume:28 | Issue:107 Page(s): 151-158

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Information Journal Paper

Title

EFFECT OF DIFFERENT HERBICIDES ON WEED CONTROL AND YIELD OF RATOON RICE (ORYZA SATIVA)

Author(s)

KHAKZAD R. | VALIOLAHPOR R. | Issue Writer Certificate

Keywords

VISUAL INJURY ASSESSMENTQ2

RICE RATOONQ2

HERBICIDE AND WEEDQ2

Abstract

To evaluate the Effect of different herbicides on weed control and yield of ratoon rice, the experiment was conducted in a randomized complete block design with four replications in Pasha Cola village-Sari. Treatments include the use of 6 types of post emergence herbicide as follows: 1- Anilofos+ethoxysulfuron (3 lit ha-1), 2- Butachlor (3 lit ha-1) +cinosulfuron (100 g ha-1), 3- Bensulfuronmethyl (75 g ha-1) +butachlor (3 lit ha-1), 4- Butachlor (3 lit ha-1), 5- Cinosulfuron (100 g ha-1), 6- Bensulfuron - methyl (75 g ha-1) with two times weeding and weedy check treatments. In the basis of VISUAL INJURY ASSESSMENT, 10, 20 and 30 days after post emergence application, most of plant injury (burning) in ratoon rice occurred by butachlor+cinosulfuron and bensulfuron - methyl+butachlor (heavy damage) treatments. On the other hand, In the basis of VISUAL INJURY ASSESSMENT, bensulfuron - methyl+butachlor and bensulfuron- methyl weed control was less than 50% despite having the highest level of weeds control. Means comparison results also showed that sulfonylurea groups herbicide such as bensulfuron - methyl and cinosulfuron have most positive impact on weed density and dry weight of weeds and crop yield in end of the growing season, however, based on visual assessment at the beginning of the growing season, have nota good influence on crop and weeds control. The positive effects of bensulfuron - methyl+butachlor treatments during the growing season showed that these two herbicides have synergistic effect on each other although they are from different groups and with different mode of action.

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APA: Copy

KHAKZAD, R., & VALIOLAHPOR, R.. (2015). EFFECT OF DIFFERENT HERBICIDES ON WEED CONTROL AND YIELD OF RATOON RICE (ORYZA SATIVA). APPLIED FIELD CROPS RESEARCH (PAJOUHESH & SAZANDEGI), 28(107), 151-158. SID. https://sid.ir/paper/214716/en

Vancouver: Copy

KHAKZAD R., VALIOLAHPOR R.. EFFECT OF DIFFERENT HERBICIDES ON WEED CONTROL AND YIELD OF RATOON RICE (ORYZA SATIVA). APPLIED FIELD CROPS RESEARCH (PAJOUHESH & SAZANDEGI)[Internet]. 2015;28(107):151-158. Available from: https://sid.ir/paper/214716/en

IEEE: Copy

R. KHAKZAD, and R. VALIOLAHPOR, “EFFECT OF DIFFERENT HERBICIDES ON WEED CONTROL AND YIELD OF RATOON RICE (ORYZA SATIVA),” APPLIED FIELD CROPS RESEARCH (PAJOUHESH & SAZANDEGI), vol. 28, no. 107, pp. 151–158, 2015, [Online]. Available: https://sid.ir/paper/214716/en

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