AbdollahianNoghabi, M., 1999. Ecophysiology of sugar beet cultivars and weed species subjected to water deficiency stress. Ph.D. Thesis, University of Reading.
Abdollahian Noghabi, M., Radaei-al-amoli, Z., Akbari, G.A., Sadat Nuri, S.A., 2011. Effect of sever water stress on morphological, quantitative and qualitative characteristics of 20 sugar beet genotypes. Iranian Journal of Crop Sciences. 42(3), 453-464. [In Persian with English Summary].
Abdollahian Noghabi, M., Sheikholeslami, R. Babaei, B., 2005. Technical terms of sugar beet yield and quality. Journal of Sugar Beet. 21(1), 101-104. [In Persian with English Summary].
Ahmadi, M., 2012. Study on characteristics related to drought tolerance in improved sugar beet population. PhD Thesis, College of Agriculture, Islamic Azad University of Science and Research of Tehran. [In Persian].
Ahmadi, M., Majidi Heravan, E., Sadeghian, S.Y., Mesbah, M., Darvish, F., 2011. Drought tolerance variability in S1 pollinator lines developed from a sugar beet open population. Euphytica. 178,339-349.
Bahavar. N., Ebadi, A., Tobeh, A., Jamati Somarin, S.H., 2009. Effects of nitrogen application on growth of irrigated chickpea (Cicer arietinum L.) under drought stress in hydroponics conditions. Research Journal of Environmental Sciences .3(4), 448-455.
Barrs, H.D. and Weatherly, P.E., 1962. A re-examination of the relative turgidity technique for estimating water deficits in leaves. Australian Journal of Biological Sciences, 15, 413-428.
Bloch, D., Hoffmann, C.M., 2005. Seasonal development of genotypic differences in sugar beet (Beta vulgaris L.) and their interaction with water supply. Journal of Agronomy and Crop Science. 191, 263-272.
Cakir, R., 2004. Effect of water stress at different developmental stages on vegetative and reproductive growth of corn. Field Crops Research. 89, 1-16.
Fotouhi, K., Ali Ahmad, J., Nourjou, A., Pedram, A., Khorshid, A., 2008. Irrigation management based on allowed water depletion at different growth stages of sugar beet in Miyandoab region. Journal of Sugar Beet. 24 (1), 43-60. [In Persian with English Summary].
Ghafari, E., Rajabi, A., Izadi Darbandi, A., Rozbeh, F., Amiri, R., 2016. Evaluation of new sugar beet monogerm hybrids for drought tolerance. Journal of Crop Breeding. 8(17), 8-16. [In Persian with English Summary].
Hamidi, H., Ahmadi, M., Ramezanpour, S., Masoumi, A., Khorramian, S. 2018. Estimation of heterosis and heritability of drought stress tolerance in test cross genotypes of sugar beet. Environmental Stresses in Crop Sciences. 11(2), 275-288. [In Persian with English Summary].
Hekmat Shoar, H., 1992. Plant physiology in difficult situation. First Edition. Tabriz University Press. 251p. [In Persian with English Summary].
Hoffmann, C.M., 2005. Changes in N composition of sugar beet varieties in response to increasing N supply. Agronomy and Crop Science. 191, 138-145.
Hu, L., Wang, Z., Du, H., Huang, B., 2009. Differential accumulation of dehydrins in response to water stress for hybrid and common Bermuda grass genotypes differing in drought tolerance. Plant Physiology. 167, 103-109.
Kashiwagi, J., Krishnamurthy, L., Upadhyaya, H.D., Gaur, P.M., 2008. Rapid screening technique for canopy temperature status and its relevance to drought tolerance improvement in chickpea. Journal of Semi-Arid Tropical Agricultural Research. 6, 105-4.
Khazaie, H.R., 2002. Effect of drought stress on yield and physiological characteristic of drought tolerant and susceptible wheat cultivars and introduce the suitable drought tolerance index. Ph.D. Thesis, College of Agriculture, University of Ferdowsi Mashhad, Mashhad, Iran. 225p. [In Persian].
Koocheki, A., 1996. Agriculture in Dry Lands. Jihade-Daneshgahi Press of Mashad. 202p. [In Persian].
Koocheki, A., Soltani, A., 1996. Sugar beet Agronomy. Jihade-Daneshgahi Press of Mashad. 200p. [In Persian].
Milford, G.F.J., Pocock, T.O., Riley, J., 1985. An analysis of leaf growth in sugar beet. II: Leaf appearance in field crops. Annals of Applied Biology. 106, 163-172.
Mohamadian, R., 2001. Determinate of effective physiological indices on drought resistant on sugar beet. Ph.D. of Thesis Agronomy. Tabriz University. [In Persian].
Mohammadian, R., 2005. Some factors affecting the yield of sugar beet in drought stress conditions. Proceedings of the 27th Annual Seminar of Iranian Sugar and Sugar Factories, Mashhad, Iran. pp. 238-248. [In Persian].
Nadali, I., Paknejad, F., Ghaffari, M., 2014. Effct of methanol as source of carbon on some quantitative and qualititative traits of sugar beet under drought stress conditions. Journal of Crop Production Research. 6(3), 231-246. [In Persian with English Summary].
Nadali, I., Paknejad, F. Moradi, F., Vazan, S., Tookalo, M., Jami Al-Ahmadi, M. Pazoki, A.R., 2010. Effect of foliar application of methanol on sugar beet (Beta vulgaris). Australian Journal of Crop Science. 4(6), 398-401.
Nagler, P.L., Glenn, E.P., Huete, A.R. 2001. Assessment of spectral vegetation indices for riparian vegetation in the Colorado river delta, Mexico. Journal of Arid Environments. 49(1), 91–110.
Nourjoo, A., Baghaee Kia, M., 2004. Study on the irrigation cut-off effects at different growth stages on quantity and quality of sugar beet in Khoy region. Journal of Sugar Beet. 20(1), 27-38. [In Persian with English Summary].
Orazizadeh, M.R., Rajabi, A., Ahmadi, M. 2016. Selection of drought-tolerant half-sib families in sugar beet. Journal of Sugar Beet. 32(1), 1-12. [In Persian with English Summary].
Pierce, L.L., Running, S.W., Walker, J. 1994. Regional scale relationships of leaf area index to specific leaf area and nitrogen content. Ecological Applications. 4, 313-320.
Premachandra, G.S., Saneoka, H., Fujita, K., Ogata, S., 1992. Seasonal changes in leaf water relations and cell membrane stability in orchardgrass. Journal of Agricultural Science. 121, 169-175.
Rajabi, A., Vahidi, H., Haj Seyed Hadi, M.R., Fathollah Taleghani, D., 2013. Study on drought tolerance and interrelationships among some agronomic and morphophysiological traits in sugar beet lines. International Journal of Agriculture and Crop Sciences. 5, 761-768.
Rinaldi, M., 2003. Variation of specific leaf area for sugar beet depending on sowing date and irrigation. Italian Journal of Agronomy. 7, 23-32.
Rytter, R.M., 2005. Water use efficiency, carbon isotope discrimination and biomass production of two sugar beet varieties under well-watered and dry conditions. Journal of Agronomy and Crop Science. 191(13), 426-438.
Sairam, R.K., Rao, K.V., Srivastava, G.C., 2002. Differential response of wheat genotypes to longterm salinity stress in relation to oxidative stress, antioxidant activity and osmolyte concentration. Plant Science. 163, 1037–1046.
Sadeghian, S.Y., Fazli, H., Mohammadian, R., Taleghani, D.E., Mesbah, M., 2000. Genetic variation for drought stress in sugar beet. Journal of Sugar Beet Research. 37, 55-77. [In Persian with English Summary].
Sadeghzadeh Hemayati, S., Fathollah Taleghani, D., Fasahat, P., 2017. Effects of drought stress on quantitative and qualitative characteristics, canopy ground cover and wilting score of sugar beet genotypes. Environmental Stresses in Crop Sciences. 10(3), 363-375. [In Persian with English Summary].
Sadeghzadeh Hemayati, S., Fasahat, P., 2016. Evaluation of drought tolerance indices and their correlation in sugar beet lines. Journal of Sugar Beet. 32(1), 13–27. [In Persian with English Summary].
Smirnoff, N., 1995. Antioxidant systems and plant response to the environment. In: Smirnoff, V. (ed.), Environment and Plant Metabolism: Flexibility and Acclimation. BIOS Scientific Publishers, Oxford, UK.
Vahidi, H., Rajabi, A., Haj Seyed Hadi, M.R., Fathollah Taleghani, D., 2012. Effect of water stress on some quantitative and qualitative traits of sugar beet. 12th Iranian Crop sciences Congress, Karaj, Iran. [In Persian].
Vina, A., Gitelson, A.L., Nguy-Robertson, A., Peng, Y., 2011. Comparison of different vegetation indices for the remote assessment of green leaf area index of crops. Remote Sensing of Environment. 115(12), 3468-3478.
Westage, M., Boyer, J., 1985. Osmotic adjustment and the inhibition of leaf, root, stem and silk growth at low warerporentials in maize. Planta, 164, 459-540.
Wolf, D.W., Henderson, D.W., Hsiao, T.C., Alvino, A., 1988. Interactive water and nitrogen effects on senescence of maize. II. Photosynthesis decline and longevity of individual leaves. Agronomy Journal. 80, 865-870.
Yan, W., Kang, M.S., 2002. GGE biplot analysis: A graphical tool for breeders, geneticists and agronomists. CRC press, Florida, USA, 267p.