JANUBIY HUDUDLARDA YETISHTIRILGAN SOYA (GLYCINE MAX L.) NAVLARIDA TRANSPIRATSIYA INTENSIVLIGINI ANIQLASH VA TAQQOSLASH

##plugins.themes.bootstrap3.article.main##

Abstrak:

Ushbu tadqiqotda Janubiy hudud sharoitida yetishtirilgan ikki kechpishar soya navi O‘zbek-6 va Barakaning transpiratsiya intensivligi  gravimetrik usul yordamida aniqlanib, fenologik bosqichlar bo‘yicha taqqoslandi. Tajriba 4 ta takror va har bir takrorda 10 ta namunadan olinib amalga oshirildi. Transpiratsiya ertalab va kechqurun o‘lchovlari asosida g/plant/day va leaf-area-normalized (mmol H₂O m⁻² s⁻¹) birliklarida hisoblandi. Janubiy hududlarda yetishtirilayotgan kechpishar soya navlari yuqori harorat va suv rejimiga moslashish jarayonida transpiratsiya intensivligini fiziologik mexanizmlar orqali tartibga soladi. Bu esa nafaqat suv balansini saqlashga, balki hosildorlikni barqaror ta’minlashga ham xizmat qiladi.

##plugins.themes.bootstrap3.article.details##

##submission.citations##:

Taiz, L., Zeiger, E. Plant Physiology and Development. – 6-th ed. – Sunderland: Sinauer Associates, 2015. – 761 p.

Sinclair, T. R., Rufty, T. W. Nitrogen and water resources commonly limit crop yield increases, not necessarily plant genetics // Global Food Security. 2012. Vol. 1, № 2. – P. 94–98. DOI: 10.1016/j.gfs.2012.07.001.

Marenco, R. A., Lopes, N. F. Leaf gas exchange and water relations of soybean genotypes under drought stress // Photosynthetica. 2005. Vol. 43, № 4. – P. 623–628. DOI: 10.1007/s11099-005-0101-7.

Zhang, J., Xu, D., Yang, H., Wang, X. Genotypic differences in water-use efficiency and yield of soybean under drought stress // Agricultural Water Management. 2017. Vol. 179. – P. 1–9. DOI: 10.1016/j.agwat.2016.08.018.

Blum, A. Plant Breeding for Water-Limited Environments. – New York: Springer, 2011. – 255 p. – DOI: 10.1007/978-1-4419-7491-4.

Sadeghipour, O. Drought stress effects on soybean leaf water potential and gas exchange // Asian Journal of Plant Sciences. 2009. Vol. 8, № 6. – P. 466–472. DOI: 10.3923/ajps.2009.466.472.