Phenotypic Response of Rice Genotypes Under Submergence Conditions at Seedling Stage
Journal Title: Current Investigations in Agriculture and Current Research - Year 2018, Vol 5, Issue 4
Abstract
Screening of twenty rice varieties with sub1 gene was performed to check their resistance under submergence conditions. This experiment involved growing of rice germ plasms sown in small pots filled with Irish Peat Moss. These pots were placed in incubator for germination. After ten days these pots were submerged in water tank to check their submergence resistance. Three varieties showed good tolerance against submergence as they grew less in length and seventeen varieties gave poor result as they grew more in length.Rice (Oryza sativa) is second major cereal crop in world [1]. Seventy percent population of world depends on agriculture as a source of living. Agriculture is leading sector in many countries of the world. It is main source of thousands of jobs and income in these countries [2]. Rice is staple food of half population of world. 90% of rice produced worldwide is consumed in South Asia. There are chances that climate change can bring positive influence on agriculture, but negative influence mostly dominates [3]. In South Asia Pakistan is mostly exposed to climate change. Pakistan was marked as third most exposed country to climate change out of 128 countries of the world as said by German Watch Report (2011) respectively Adeel et al., 2017. There are two types of stresses biotic and abiotic. Submergence is one of the major abiotic stresses. Cultivated varieties are less tolerant to water submergence stress because of their poor grain quality, droopy leaves and tillering ability. There is utmost need to develop submergence tolerant varieties Fahim et al., 2016. Plants require water for their growth but in excess amount like submergence and water logging is extremely injurious to plants Shunsaku et al., 2012.
Authors and Affiliations
Mubashar Hussain, Umar Niaz, Muhammad Bilal, Nauman Liaqat
Keywords
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- EP ID EP581072
- DOI 10.32474/CIACR.2018.05.000220
- Views 66
- Downloads 0
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