Niğde Yöresinde Patateste (Solanum tuberosum L.) Sorun Olan Yabancı Ot Türlerinin Yaygınlık ve Yoğunluklarının Belirlenmesi

Abstract

This study was carried out to determine the distribution and density of weed species which are problem on potato fields at around Nigde Province in 2016 year. Survey studies were made in potato cultivation field in Nigde center and its district (Altunhisar, Bor, Camardi, Ciftlik, Ulukisla) between May and July on 180 potato fields. As a result of survey, 60 different weed species from 21 families were identified. The weed species with higher infestation rate and density according to average number of weeds m2 were found in this study as follows: Red pigweed (Amaranthus retroflexus L.,) with the density of 4.24 plants/m2. Followed by 2.81 plants/m2 with white goosefoot (Chenopodium album L), 2.67 plants/m2 with lying amaranth (Amaranthus hybridus L.), 1.46 plants/m2 with black nightshade (Solanum nigrum L.), 1.45 plants/m2 with white mustard (Sinapis arvensis L.), with field bindweed 1.45 plants/m2 with field bindweed (Convolvulus arvensis L.), 1.32 plants/m2 of barnyard grass (Echinochloa crus-galli). Weeds which are important in terms of frequency of occurrence is white goosefoot by 68%, red pigweed by 65%, field bindweed by 42%, lying amaranth by 25%, field mustard by 24%, mat amaranth by 19%, black nightshade by 15%, Russian knapweed by 13%, rough cocklebur by 12% were determined.