Effect Of Different Soil Moisture Levels At Reproductive Stage On Rice Grain Quality
Roseline T. M. Bleoussi, Innocent Bokossa Yaou, Mamadou Fofana, Nestor H. I. Bassole, Guy A. Mensah, Nébpawinde Kabore and Célestin K. C. Tchekessi
Full Length Research Paper I Published May,2016
Journal of Agricultural Science and Food Technology
ABSTRACT
Rice grain quality indicators are important in varietal
development and subsequent adoption by farmers and
consumers. Two experiments were carried out during dry
season 2013 in an open field and wet season 2014 in a screen
house to assess the effect of four levels of soil moisture
content on rice grain quality indicators (Head Rice Ratio,
Amylose content, Protein content and Gel consistency) at
reproductive stage. Five improved rice varieties (NERICA1,
NERICA 4, NERICA 7, ARICA 4 and ARICA 5) were used.
Significant changes (P<
0.05)
in grain quality traits due to changes in soil moisture
content were found.
Head rice ratio, grain amylose content and gel consistency
decreased with increasing drought intensity. The lowest
values of head rice ratio 42 to 44% were recorded with ARICA
varieties under severe water deficit condition. The mean
reduction ingrain amylose content was 36% for NERICAs and
31% for ARICAs. Higher reduction ingel consistency was found
with NERICA varieties (11%) thanARICA varieties (9%).
Protein content for each variety increased when drought
intensity increased. The highest value (11.65%) was observed
with NERICA 7 under severe water deficit conditions.These
results show that soil water deficit has significant
implications on rice grain quality.
Key Words:
Arica, Nerica, Grain quality, Reproductive stage and Water
deficit.
- Journal of Agricultural Science and Food Technology (JASFT)
- Journal of Medical and Biological Science Research (JMBSR)
- Journal of Scientific Research and Essays (JSRE)
- Research Journal of Educational Studies and Review (RJESR)
- Journal of Physical Science and Environmental Studies (JPSES)
- Research Journal of Engineering and Technology (RJET)
- Pearl Journal of Management, Social Science and Humanities (PJMSSH)