Genetic characteristics of Korean weedy rice (Oryza sativa L.) by RFLP analysis

Euphytica ◽  
1995 ◽  
Vol 86 (2) ◽  
pp. 103-110 ◽  
Author(s):  
Young-Chan Cho ◽  
Tae-Young Chung ◽  
Hak-Soo Suh
Keyword(s):  
Oryza Sativa ◽  
Oryza Sativa L ◽  
Rflp Analysis ◽  
Weedy Rice ◽  
Genetic Characteristics

scholarly journals Histological and genetic characteristics associated with the seed-shattering habit of weedy rice (Oryza sativa L.) from Okayama, Japan

2011 ◽  
Vol 61 (2) ◽  
pp. 168-173 ◽  
Author(s):  
Maiko Akasaka ◽  
Saeko Konishi ◽  
Takeshi Izawa ◽  
Jun Ushiki
Keyword(s):  
Oryza Sativa ◽  
Oryza Sativa L ◽  
Weedy Rice ◽  
Seed Shattering ◽  
Genetic Characteristics

scholarly journals Bioherbicidal Properties of Parthenium hysterophorus, Cleome rutidosperma and Borreria alata Extracts on Selected Crop and Weed Species

Agronomy ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 643
Author(s):  
Mst. Motmainna ◽  
Abdul Shukor Juraimi ◽  
Md. Kamal Uddin ◽  
Norhayu Binti Asib ◽  
A. K. M. Mominul Islam ◽  
...  
Keyword(s):  
Oryza Sativa ◽  
Plant Extracts ◽  
Oryza Sativa L ◽  
Block Design ◽  
Parthenium Hysterophorus ◽  
Weedy Rice ◽  
Test Plant ◽  
Ageratum Conyzoides ◽  
Natural Herbicide ◽  
Cleome Rutidosperma

Natural product-based herbicides could be the effective alternatives to synthetic chemical herbicides for eco-friendly weed management. This research, therefore, was conducted to identify the phytotoxic properties of Parthenium hysterophorus L., Cleome rutidosperma DC. and Borreria alata (Aubl.) DC. with a view to introducing them as a tool for natural herbicide development. The methanol extracts of these plants were examined on the germination and growth of Zea mays L., Oryza sativa L., Abelmoschus esculentus (L.) Moench and Amaranthus gangeticus L., Oryza sativa f. Spontanea Roshev. (Weedy rice), Echinochloa colona (L.) Link., Euphorbia hirta L., and Ageratum conyzoides L. under laboratory and glasshouse conditions. A complete randomized design (CRD) with five replications and randomized complete block design (RCBD) with four replications were laid out for laboratory and glasshouse experiments, respectively. In the laboratory experiment, three plant extracts of 0, 6.25, 12.5, 50, and 100 g L−1 were tested on survival rate, hypocotyl, and radicle length of eight test plant species. No seed germination of A. conzyoides, E. hirta, and A. gangeticus were recorded when P. hysterophorus extract was applied at 50 g L−1. C. rutidosperma had the same effect on those plants at 100 g L−1. In the glasshouse, similar extracts and concentrations used in the laboratory experiments were sprayed on at the 2–3 leaf stage for grasses and 4–6 for the broadleaf species. Tested plants were less sensitive to C. rutidosperma and B. alata compared to P. hysterophorus extract. Among the weeds and crops, A. conyzoides, E. hirta, A. esculentus and A. gangeticus were mostly inhibited by P. hysterophorus extract at 100 g L−1. Based on these results, P. hysterophorus was the most phytotoxic among the tested plant extracts and could be used for developing a new natural herbicide for green agriculture.

Effects of winter flooding on weedy rice (Oryza sativa L.)

2010 ◽  
Vol 29 (11) ◽  
pp. 1232-1240 ◽  
Author(s):  
S. Fogliatto ◽  
F. Vidotto ◽  
A. Ferrero
Keyword(s):  
Oryza Sativa ◽  
Oryza Sativa L ◽  
Weedy Rice ◽  
Winter Flooding

Effect of rice establishment methods on weedy rice (Oryza sativa L.) infestation and grain yield of cultivated rice (O. sativa L.) in Sri Lanka

2014 ◽  
Vol 55 ◽  
pp. 42-49 ◽  
Author(s):  
Bhagirath S. Chauhan ◽  
Anuruddhika S.K. Abeysekera ◽  
Manoja S. Wickramarathe ◽  
Sakinda D. Kulatunga ◽  
Upali B. Wickrama
Keyword(s):  
Oryza Sativa ◽  
Sri Lanka ◽  
Grain Yield ◽  
Oryza Sativa L ◽  
Weedy Rice ◽  
Cultivated Rice

Fine mapping of a gene causing hybrid pollen sterility between Yunnan weedy rice and cultivated rice (Oryza sativa L.) and phylogenetic analysis of Yunnan weedy rice

Planta ◽  
2009 ◽  
Vol 231 (3) ◽  
pp. 559-570 ◽  
Author(s):  
Yong Wang ◽  
Zheng Zheng Zhong ◽  
Zhi Gang Zhao ◽  
Ling Jiang ◽  
Xiao Feng Bian ◽  
...  
Keyword(s):  
Phylogenetic Analysis ◽  
Oryza Sativa ◽  
Fine Mapping ◽  
Oryza Sativa L ◽  
Pollen Sterility ◽  
Weedy Rice ◽  
Cultivated Rice

RFLP analysis of rice (Oryza sativa L.) introgression lines

1992 ◽  
Vol 84-84 (5-6) ◽  
pp. 608-616 ◽  
Author(s):  
K. K. Jena ◽  
G. Kochert ◽  
G. S. Khush
Keyword(s):  
Oryza Sativa ◽  
Oryza Sativa L ◽  
Rflp Analysis ◽  
Introgression Lines

Utilization of weedy rice for development of japonica hybrid rice (Oryza sativa L.)

Plant Science ◽  
2011 ◽  
Vol 180 (5) ◽  
pp. 733-740 ◽  
Author(s):  
Liang Tang ◽  
Dian Rong Ma ◽  
Zheng Jin Xu ◽  
Hua Feng Deng ◽  
Wen Fu Chen ◽  
...  
Keyword(s):  
Oryza Sativa ◽  
Hybrid Rice ◽  
Oryza Sativa L ◽  
Weedy Rice

Morphological variation, distribution and relationship of weedy rice ( Oryza sativa L.) in Peninsular Malaysia

2021 ◽  
Author(s):  
Intan Filzah Mahmod ◽  
Mohd Zuwairi Saiman ◽  
Zulqarnain Mohamed ◽  
Muhammad Nazri Ishak ◽  
Muhamad Shakirin Mispan
Keyword(s):  
Oryza Sativa ◽  
Morphological Variation ◽  
Oryza Sativa L ◽  
Peninsular Malaysia ◽  
Weedy Rice ◽  
Relationship Of

scholarly journals A large-scale analysis of seed natural aging revealed stronger aging resistance in weedy rice than coexisting cultivated rice for continuous 4 years across China

2019 ◽  
Author(s):  
weimin dai ◽  
Yuan Wang ◽  
Yu-Jie Zhang ◽  
Xi-Xi Sun ◽  
Jin-Ling Yang ◽  
...  
Keyword(s):  
Oryza Sativa ◽  
Large Scale ◽  
Oryza Sativa L ◽  
Germination Rate ◽  
Weedy Rice ◽  
Japonica Rice ◽  
Rice Cultivars ◽  
Cultivated Rice ◽  
Rice Varieties ◽  
Aging Resistance

Abstract Increasing resistance to aging is conducive to seed storage and germination rate of crop. Meanwhile, the resistance to aging is one of the important adaptive mechanisms of weed to thrive in farmland. Weedy rice (Oryza sativa f. spontanea) and cultivated rice (Oryza sativa L.) provide a unique pair demonstrating a weed and conspecific model crop that can be used to study the aging resistance of plants across a diverse geographical range. Chinese weedy rice derived from de-domestication of cultivated rice has rapidly risen to malignant weeds, though the hazard has only been reported for about 20 years. Whether weedy rice rapidly evolves higher seed aging resistance than cultivated rice during the process of dedomestication, which is conducive to its persistence in rice fields, is still unclear. In this experiment, the seeds of weed rice populations and their co-existing rice varieties were collected from 61 regions of China and germinated under normal and high temperatures for consecutive four years (2013–2016). Our study found that the aging resistance of weedy rice was higher than that of the co-existing rice cultivars, and weedy rice may have evolved a different aging resistance mechanism than rice cultivars and could be used as a germplasm resource to cultivate aging-resistant rice. The indica-type has strong aging resistance and no dormancy, while the japonica type has weak aging resistance and a little weak dormancy. Thus, by introducing indica-type aging-resistant alleles into japonica rice, cultivation of aging-resistant japonica rice could be possible.

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