
Hydroponic Screening of Rice Genotypes for Salinity Tolerance at Seedling Stage
The present aims to judge the corporeal footing of eight edible grain genotypes resistance to salt stress at shrub stage under hydroponic order. Salinity is a bigger abiotic determinant that influences edible grain education in the planet along the marshy extents. The seasoning touched fields in India is supposed expected about 8 to 10 heap hectares that causes significant decline in edible grain progress and yield. In order to help the edible grain cultivars for seasoning resistance, excerpt of the suitable genotypes is made necessary. The Hydroponics experiment was administered at Glass family, Department of crop plant structure, Tamil Nadu land academy, Coimbatore. Study was transported to screen eight edible grain genotypes (CO 51, ADT 53, ADT 37, IR 64, CO 43, ASD 16, Pokkali; TRY 3) for salinity resistance at early seedling stage. Results from this study emanated that that organism belonging to the vegetable kingdom limits were discounted under salty environments, Na+ ion Concentration and Na+/ k+ percentage was bigger in salty treatments distinguished to control. However, K+ ion assimilation declined accompanying growing salinity level. Electrolyte discharge and osmotic potential had growing current accompanying increasing salinity. The edible grain genotypes Pokkali, TRY 3, CO 43 were acted as easygoing; CO 51, ADT 53, ASD 16 were acted as rather open-minded; ADT 37 was acted as exposed and IR 64 was performed as very naive. Salt persuaded osmotic stress leads to physical dryness, causes many disorders and harms in plant. Ion growth more causes change in osmotic potential of plant; for fear that such osmotic inequality and confine the entrance of sodium and chloride ions into plants. To build genotypes that are easygoing to seasoning stress all the while the shrub stage and to increase rice progress and yield so that meet civil necessities, this somewhat research should.
Author(s) Details:
S. Lakshmi,
Department of Crop Physiology, Tamil Nadu Agricultural University, Coimbatore-641 003, Tamil Nadu, India.
V. Ravichandran,
Department of Crop Physiology, Tamil Nadu Agricultural University, Coimbatore-641 003, Tamil Nadu, India.
S. Anandakumar,
Department of Crop Physiology, Tamil Nadu Agricultural University, Coimbatore-641 003, Tamil Nadu, India.
Please see the link here: https://stm.bookpi.org/RHAS-V8/article/view/9259
Keywords: Rice, salinity, hydroponics, Na / k ratio, tolerant, susceptible