Effects of Different Irrigation Levels on Shoot and Root Development of Some Quinoa (Chenopodium quinoa Willd.) Genotypes

Öz

Quinoa (Chenopodium quinoa Willd.) is a plant resistant to adverse environmental conditions such as drought. However, this resistance varies depending on the genotypes. This research was planned to determine the effect of different irrigation levels on shoot and root growth of different quinoa genotypes. The research was carried out in three replications in Atatürk University Faculty of Agriculture greenhouses according to the completely randomized plots experimental design. 10 varieties with different origins were used and 5 different irrigation levels (irrigation at field capacity, irrigation at the rate of 50, 25, 10 and 5% of the field capacity) were applied during the seedling period. Shoot and root length, shoot and root dry weights, root/shoot ratios and drought tolerance values were determined to determine the effects of the applications. Root and shoot development in quinoa showed significant changes depending on the varieties and irrigation levels. Shoot and root lengths, dry weights and drought tolerance values decreased as the irrigation level decreased. Root/shoot ratio was found higher in irrigation at the level of 50% of the field capacity. The reactions of the varieties to water limitation differed. Titicaca, Sandoval Mix, Moqu Arrochilla and Mint Vanilla have been identified as varieties with high drought tolerance.

Anahtar Kelimeler

• Chenopodium quinoa
• Quinoa
• drought
• shoot and root development

Farklı Sulama Seviyelerinin Bazı Kinoa (Chenopodium quinoa Willd.) Çeşitlerinde Kök ve Sürgün Gelişmesine Etkileri

Öz

Kinoa (Chenopodium quinoa Willd.) kuraklık gibi olumsuz çevre şartlarına dayanıklı bir bitkidir. Ancak bu dayanıklılık genotiplere bağlı olarak değişmektedir. Bu araştırma farklı kinoa genotiplerinin sürgün ve kök büyümesi üzerine değişik sulama seviyelerinin etkisini belirlemek amacıyla planlanmıştır. Araştırma Atatürk Üniversitesi Ziraat Fakültesi seralarında tesadüf parselleri deneme desenine göre üç tekrarlamalı olarak yürütülmüştür. Farklı orijinlere sahip 10 çeşit kullanılmış ve fide döneminde 5 farklı sulama seviyesi (tarla kapasitesinde sulama, tarla kapasitesinin %50, 25, 10 ve 5’i oranında sulama) uygulanmıştır. Uygulamaların etkilerini belirlemek için sürgün ve kök uzunluğu, sürgün ve kök kuru ağırlıkları, kök/sürgün oranları ve kuraklık tolerans değerleri belirlenmiştir. Kinoada kök ve sürgün gelişmesi çeşitlere ve sulama seviyelerine bağlı olarak önemli değişimler göstermiştir. Sulama seviyesi azaldıkça sürgün ve kök uzunlukları ile kuru ağırlıkları ve kurağa tolerans yüzdeleri düşmüştür. Kök/sürgün oranı ise tarla kapasitesinin %50’si seviyesindeki sulamada daha yüksek bulunmuştur. Su kısıtlamasına çeşitlerin tepkileri farklılık göstermiştir. Titicaca, Sandoval Mix, Moqu Arrochilla ve Mint Vanilla kuraklık tolerans yüzdesi yüksek olan çeşitler olarak belirlenmiştir. olarak belirlenmiştir.

Anahtar Kelimeler

• Kinoa
• Chenopodium quinoa
• kuraklık
• kök ve sürgün gelişmesi

Kaynakça

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