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Starches of Oryza sativa L. japonica and Oryza sativa L. indica

Journal of the agricultural chemical society of Japan, 1954
The amyopection separated from rice starch (Norin No. 59) showed no increase in Brabender Unit at both heating and cooling curves, while that of amylose separated from the same starch showed the marked viscosity increase in cooling curve, and from these, results and the- pre-vious observations (This Journal: 28, 38_??_43 (1954), it was confirmed that ...
Hiroyasu FUKUBA, Fujiko YAMAMOTO
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Rice, Japonica (Oryza sativa L.)

2014
The importance of rice, as a food crop, is reflected in the extensive global research being conducted in an effort to improve and better understand this particular agronomic plant. In regard to biotechnology, this has led to the development of numerous genetic transformation protocols.
Marcy, Main, Bronwyn, Frame, Kan, Wang
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Rice, Indica (Oryza sativa L.)

2014
Indica varieties, which are generally recalcitrant to tissue culture and transformation, occupy 80 % of rice cultivation area in the world. Therefore, transformation method for indica rice must be improved greatly so that global rice production would take full advantage of cutting-edge biotechnology.
Yukoh, Hiei   +2 more
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ผลของความเค็มในดินต่ออัตราส่วนโซเดียมและโพแทสเซียมไอออนในข้าว Oryza sativa L. พื้นเมืองไทยและการเชื่อมโยงทั่วจีโนมเพื่อการทำนายยีนที่เกี่ยวกับการสะสมโซเดียมและโพแทสเซียมไอออน

2023
การศึกษานี้มีวัตถุประสงค์เพื่อศึกษาปริมาณโซเดียมไอออน โพแทสเซียมไอออน และอัตราส่วนโซเดียมต่อโพแทสเซียมไอออนในส่วนใบของข้าวพื้นเมืองไทยและข้าวปรับปรุงพันธุ์จำนวน 80 พันธุ์/สายพันธุ์ ที่ภาวะปกติและภาวะเครียดจากความเค็มที่ระดับ 9 เดซิซีเมนต์เป็นเวลา 6 และ 9 วัน ผลการศึกษาพบว่าปริมาณโซเดียมไอออนในข้าวเกือบทุกพันธุ์มีค่าสูงขึ้น ในขณะที่โพแทสเซียมไอออนมีปร ...
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Heterosis breeding in rice (Oryza sativa L.)

Theoretical and Applied Genetics, 1982
Studies conducted at the International Rice Research Institute (IRRI) during 1980 and 1981 have shown up to 73% heterosis, 59% heterobeltiosis and 34% standard heterosis for yield in rice. The latter was estimated in comparison to commercial varieties: IR36 and IR42 (yield 4-5 t/ha in wet season trials and 7-8 t/ha in dry season trials).
S S, Virmani, R C, Aquino, G S, Khush
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Bioactive steroids from Oryza sativa L.

Steroids, 2006
Rice is one of the most interesting crops in the world from both the social and the economic point of views. The monoculture practices along with the heavy use of herbicides are characteristic of modern agriculture and are inducing the appearance of tolerant and/or herbicide resistant weed biotypes.
Francisco A, Macías   +3 more
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HETEROSIS IN RICE (Oryza sativa L.).

Madras Agricultural Journal, 1987
A study was made to assess the extent of oxploitable heterosis in a 7 x 7 diallel. The results indicated that almost all combinations involving IR 8 as one of the parents pos- sessed high mean and significant heterosis for yield but none of thec ombinations excelled it, indicating non-existence of exploitable heterosis with the parents under study ...
KALAIMANI S, KADAMBAVANASUNDARAM M
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Monitoring homologous recombination in rice (Oryza sativa L.)

Mutation Research - Fundamental and Molecular Mechanisms of Mutagenesis, 2010
Here we describe a system to assay homologous recombination during the complete life cycle of rice (Oryza sativa L.). Rice plants were transformed with two copies of non-functional GUS reporter overlap fragments as recombination substrate. Recombination was observed in all plant organs examined, from the seed stage until the flowering stage of somatic ...
Zhuanying, Yang   +6 more
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