ملف:Oryza sativa of Kadavoor.jpg

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الملف الأصلي(2٬736 × 3٬648 بكسل حجم الملف: 2٫85 ميجابايت، نوع MIME: image/jpeg)

Oryza sativa L.

مصور
الوصف
English: Oryza sativa, commonly known as Asian rice, is the plant species most commonly referred to in English as rice. Oryza sativa is the cereal with the smallest genome, consisting of just 430Mb across 12 chromosomes. It is renowned for being easy to genetically modify, and is a model organism for cereal biology.


Oryza sativa contains two major subspecies: the sticky, short grained japonica or sinica variety, and the nonsticky, long-grained indica variety. Japonica varieties are usually cultivated in dry fields, in temperate East Asia, upland areas of Southeast Asia and high elevations in South Asia, while indica varieties are mainly lowland rices, grown mostly submerged, throughout tropical Asia. Rice is known to come in a variety of colors, including: White rice, Brown rice, Black rice, Purple rice, and Red rice.


The rice plant can grow up to 3.3–5.9 ft tall, occasionally more depending on the variety and soil fertility. It has long, slender leaves 50-100 cm long and 2-2.5 cm broad. The small wind-pollinated flowers are produced in a branched arching to pendulous inflorescence 30-50 cm long. The edible seed is a grain 0.5-1.2 cm long and 2-3 mm thick. Rice cultivation is well-suited to countries and regions with low labor costs and high rainfall, as it is labor-intensive to cultivate and requires ample water. Rice can be grown practically anywhere, even on a steep hill or mountain. Although its parent species are native to South Asia and certain parts of Africa, centuries of trade and exportation have made it commonplace in many cultures worldwide.
العربية: سنابل أرز معدل جينياً
المكان المُصوَّر
English: Kadavoor, Kerala, India.
التاريخ ١٣ ديسمبر ٢٠٠٩
المصدر عمل شخصي
الترخيص
(إعادة استخدام هذا الملف)
Jeevan Jose, Kerala, India، صاحب حقوق التأليف والنشر لهذا العمل، أنشر هذا العمل تحت الرخصة التالية:
w:ar:مشاع إبداعي
نسب العمل إلى مُؤَلِّفه الإلزام بترخيص المُشتقات بالمثل
نسب العمل لمُؤَلِّفه: © 2009 Jee & Rani Nature Photography (License: CC BY-SA 4.0)
يحقُّ لك:
  • مشاركة العمل – نسخ العمل وتوزيعه وبثُّه
  • إعادة إنتاج العمل – تعديل العمل
حسب الشروط التالية:
  • نسب العمل إلى مُؤَلِّفه – يلزم نسب العمل إلى مُؤَلِّفه بشكل مناسب وتوفير رابط للرخصة وتحديد ما إذا أجريت تغييرات. بالإمكان القيام بذلك بأية طريقة معقولة، ولكن ليس بأية طريقة تشير إلى أن المرخِّص يوافقك على الاستعمال.
  • الإلزام بترخيص المُشتقات بالمثل – إذا أعدت إنتاج المواد أو غيرت فيها، فيلزم أن تنشر مساهماتك المُشتقَّة عن الأصل تحت ترخيص الأصل نفسه أو تحت ترخيص مُتوافِقٍ معه.
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© 2009 Jee & Rani Nature Photography. Creative Commons Attribution-ShareAlike 4.0 International License. Wikimedia Commons, the free media repository: https://commons.wikimedia.org/wiki/File:Oryza_sativa_of_Kadavoor.jpg.
موقع آلة التصوير١٠° ٠٠′ ١٠٫٧٣″ ش, ٧٦° ٤٤′ ٠٠٫٥٢″ ق Kartographer map based on OpenStreetMap.هذه وغيرها من الصور في مواقعها على: خريطة الشارع المفتوحةinfo

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يُصوِّر

10°0'10.732"N, 76°44'0.521"E

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حالي14:12، 18 يناير 2014تصغير للنسخة بتاريخ 14:12، 18 يناير 20142٬736 × 3٬648 (2٫85 ميجابايت)commonswiki>Jkadavoor{{User:Jkadavoor/spec |Taxon=Oryza sativa |Authority= |Description={{mld |en = ''{{w|Oryza sativa}}'', commonly known as Asian rice, is the plant species most commonly referred to in English as rice. ''Oryza sativa'' is the [[:en:Cereal|ce...

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