The Effect Of Sodium Selenite By Studying Their Biochemical Components And Plant Height

ABSTRACT

Drought is a period of dryness especially when prolonged or when there is occurrence of

persistent abnormal moisture deficiency, although drought is natural but it can be induced

artificially under a controlled envirornnent. This study aimed at studying the effect of sodium

selenite by studying their biochemical components and plant height. The seeds were collected at

IIT A (INTERNATIONAL INSTITUTE OF TROPICAL AG RI CULTURE), Ibadan, Nigeria.

Soil was collected and dried for 4 days, 5kg of soil was used for the planting, three cultivars

namely Nerica U4 ( B), Nerica U7(C) and Vandana (D) represented as RB, RC and RD

respectively was primed for 1 0hours with sodium selenite at 3 different concentration of 0,50

and 100 mg/I, represented as SO, SSO and S 100 and all treatment was subjected to different level

drought stress represented as well-watered (DO) days, 4days (D4) and 8 days (D8). Plants were

monitored till maturity. Plant Morphology, chlorophyll, antioxidants and MDA content were

determined. The effect of selenite on rice was basically cultivar dependent. There were

significance variations in plant height, anthocyanin, antioxidant enzymes and MDA content.

Cultivar RB primed with 1 O0mg/1 selenite had the good growth performance, low MDA content and high CAT.