SummaryThis study was a survey undertaken with 233 cotton producers locating in Diyarbakır (Central, Bismil and Çınar), Mardin (Central, Nusaybin and Kızıltepe) and Şanlıurfa (Siverek, Harran and Viranşehir) with between 2011 and 2012. According to the results, 52% and %35 of the growers receive the suggestions and advices regarding to plant protection practices from pesticide dealers and technical experts, respectively. Also, 76% of the growers use pesticide according to the label instructions, 82% of them dispose pesticides wastes, and 76% of them obey the protective measures including wearing glove, mask, eyeglass etc. during the pesticide treatments.Keywords: Cotton, plant protection problems, poll survey
ÖzetBu çalışma, 2011-2012 yılları arasında Diyarbakır (Merkez, Bismil, Çınar), Mardin (Merkez, Nusaybin ve Kızıltepe) ve Şanlıurfa (Siverek Harran, Viranşehir) illerindeki toplam 233 pamuk üreticileriyle yapılmış bir anket çalışmasıdır. Pamuk üreticileriyle birebir görüşülerek toplam 12 soru sorulmuş ve bu sorulara verilen cevaplar değerlendirilmiştir. Elde edilen sonuçlara göre üreticilerin %52'si bitki koruma konularındaki tavsiyeleri ilaç bayilerinden %35'i ilgili teknik elemanlardan aldıkları belirlenmiştir. Üreticilerden %76'sının etikette belirtilen dozda ilaç kullandıkları, %82'sinin boş ilaç atıklarını imha ettikleri ve %76'sının ilaç uygulamaları sırasında eldiven, maske, gözlük gibi materyallerle koruyucu önlem aldıkları saptanmıştır.
Determination of the effect of Cotton wilt disease (Verticillium dahliae Kleb.) on seed contentThe study was carried out to determine the effect of Cotton wilt disease (Verticillium dahliae) on seed content, the experiment set up in randomized blocks design methods with four replications in Dicle University, Agricultural Faculty Research Area that is naturally infested with the pathogen in Diyarbakır in 2014. Stoneville 468 (Moderately tolerant) and Beyaz Altın 119 (Moderately susceptible) cotton varieties are used in the study. The land prepared for sowing and cotton seeds were sown in the 23th of May, 2014. Necessary agricultural practices were performed until the harvest. During the harvest, the stem of plants were cut 5-6 cm above ground level for each plot and the disease severity was recorded according to 0-3 disease scales. Also, in Diyarbakır and Batman, 5 farmers field were checked in the same way and the plants were evaluated according to the 0-3 scale respectively. During the harvest 40-50 g cotton seeds were brought to the laboratory for each character. After ginning, cotton seeds were treated with sulfuric acid to delint at the laboratory. After that delinted seeds were grinded with a mixer for seed content analysis. The prepared samples were stored at -18⁰C in a deep freeze. The samples were kept in a pastor oven at 70 0 C for 24 hours for their humidity to stabilize. Then the seed contents were analyzed by "Nor-XDS Rapid Content Analyser" device. According to 0-3 disease scale, protein content, oil content, ash content, starch content and cellulose content of seeds were found to be significantly different at the farmers' fields and research area and moisture content were not determined differently at the farmers field, but were found differently in research area.
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