Image: Pixabay
In Goiás, the sunflower harvest must end on July 15th, according to Normative Instruction No. 01, of January 5th, 2022, from the Goiana Agricultural Defense Agency (Agrodefesa). The objective is to contain volunteer soybean plants (tiguera) that germinate between the rows of sunflower cultivation, after harvesting soybeans, in order to prevent the incidence and spread of the Asian rust pest (Phakopsora pachyrhizi).
According to data released by Agrodefesa, the measure is necessary because of the absence of selective herbicides registered with the Ministry of Agriculture and Livestock (Mapa), which eliminate soybean tigueras, without causing damage to the sunflower plant.
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The state of Goiás is the largest producer of grain in the country. The forecast of the 9th Grain Harvest Survey, by the National Supply Company (Conab), is that 48.7 thousand tons of sunflower will be harvested in the 2022/2023 harvest, growth of 123.4% in relation to the previous cycle. Productivity should be 1,495 kilos per hectare, an increase of 78% in relation to the previous harvest, while the planted area should grow by 25.4%, reaching 32.6 thousand hectares.
Source: Aline Merladete | agrolink
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