Journal of Food, Agriculture and Environment

Grain yield of cultivated and weedy rice to water stress at reproductive stage 

Author(s):

Adam B. Puteh ¹, Ammini Amrina Saragih ¹, Mohd Razi Ismail ¹, M. Monjurul Alam Mondal ^{1, 2}*

Recieved Date: 2013-01-08, Accepted Date: 2013-04-30

Abstract:

Rice grown in tropical regions is often exposed to short period of water stress during its growth. Yield reduction due to water stress depends on the genotype, duration of stress and crop development stage at which it occurs. The objective of this study was to evaluate the effect of pre-anthesis water stress on yield and yield components of cultivated varieties and weedy rice strains. Two widely cultivated varieties of MR219 and MR232, and two weedy rice strains of Bertam and Ketara were grown in polybags in rice culture system like situations. Water stress condition was then applied for 10 days prior to anthesis phase. The results of the study indicated that water stress for 10 days prior to anthesis can cause drastic reduction on seed yield components in both cultivated varieties and weedy rice strains thereby grain yield. The yield reduction due to water stress was comparatively less in weedy rice strains (76.71%) than in cultivated rice varieties (83.66%) due to less reduction of pollen viability and grain size. 

Keywords:

Water stress, reproductive stage, weedy rice, yield components

---

Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 2
Category: Agriculture
Pages: 742-746

---

Full text for Subscribers

---

Information:

Note to users

The requested document is freely available only to subscribers/registered users with an online subscription to the Journal of Food, Agriculture & Environment. If you have set up a personal subscription to this title please enter your user name and password. All abstracts are available for free.

Article purchasing

If you like to purchase this specific document such as article, review or this journal issue, contact us. Specify the title of the article or review, issue, number, volume and date of the publication. Software and compilation, Science & Technology, all rights reserved. Your use of this website details or service is governed by terms of use. Authors are invited to check from time to time news or information.

---

Purchase this Article:   20 Purchase PDF Order Reprints for 15

---

Share this article :