Investigation of the Drought stress and Silver nano-particles sprays on morphological and physiological traits on sunflower (Helianthus annuus. L)
This study aimed to investigate the effect of drought stress and foliar application of silver nanoparticles on morphological and physiological characteristics of sunflower (Helianthus annuus. L) and split-plot in a randomized complete block design with three levels of water stress agent the main factor (I0: 60 mm evaporation from pan class a (normal irrigation), I1: 90 mm evaporation from pan class a and I2: 120 mm evaporation from pan class a) and foliar application of silver nanoparticles four levels as subplots (NS0: sprayed with water, NS1: 50 mg nano-silver, NS2: 90 ppm silver nano, NS3: 130 mg nano-silver) and three replications. respectively. The results showed that the effects of irrigation and silver nanoparticles and their interactions at the level of one and five percent of the studied traits had significant impact. The highest yield (4038.49 kg.ha), oil yield (2134.52 kg.ha) with normal irrigation treatment, 60 mm × 130 milligrams per liter of nano-silver evaporation and biological yield (11248.8 kg.ha) with normal irrigation treatment, 60 mm × 90 mm evaporation of silver nano-grams per liter respectively. The highest chlorophyll a and normal irrigation treatment of 50 mg per liter of nanosilver with (25.05 mg) was given. Stress increases the levels of malondialdehyde (MDA). The highest MDA (MDA) with (12.71 nmol g) fresh from severe stress and weight was sprayed with purified water. The lowest yield (3091.6 kg.ha) and biological yield (8787.2kg.ha) and oil yield (1326.99kg.ha) related to severe stress, 120mm × water evaporation was observed. The lowest level of MDA of normal irrigation, 60mm evaporation with (6.19nmolg.fw) and chlorophyll a to severe stress, 120mm evaporation (17.72 mg of fresh leaf weight) less the amount of support.
Iranian Journal of Dynamic Agriculture, Volume:13 Issue:1, 2016
روش‌های دسترسی به متن این مطلب
اشتراک شخصی
در سایت عضو شوید و هزینه اشتراک یک‌ساله سایت به مبلغ 300,000ريال را پرداخت کنید. همزمان با برقراری دوره اشتراک بسته دانلود 100 مطلب نیز برای شما فعال خواهد شد!
اشتراک سازمانی
به کتابخانه دانشگاه یا محل کار خود پیشنهاد کنید تا اشتراک سازمانی این پایگاه را برای دسترسی همه کاربران به متن مطالب خریداری نمایند!