- 行业: Agriculture
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This insect, Cnaphalocrocis medinalis Guenee, is known to occur in all rice-growing countries of Asia. The full grown larva is yellowish green with a dark brown head. The damage is caused by the larvae which fold the leaf blades into a tubular shape and feed on green leaf tissue within the tubular structures.
Industry:Agriculture
A common name for the genus Oryza, an extremely important crop grown in the Asian arc and other parts of the world as the staple diet of the people.
Industry:Agriculture
1). Occurs in three major forms -- as messenger RNA, transfer RNA, and ribosomal RNA. Some RNA molecules are the genetic molecules of viruses (e.g., tobacco mosaic virus and HIV) and viroids. Some RNA molecules may have enzymatic activity (see ribozymes). 2). Any of various nucleic acids that yield ribose as one product of hydrolysis, that are found in the cytoplasm and sometimes in the nucleus. 3). Required for the synthesis of proteins in all living systems It consists of a linear array of the nucleotides cytidine-, guanosine-, adenosine-, and uridine-s'-monophosphates.
Industry:Agriculture
The zone of soil where the microbial population is altered both quantitatively and qualitatively by the presence of plant roots.
Industry:Agriculture
An underground stem--distinguished from a root by the presence of buds and scales--which is capable of creeping and producing new shoots.
Industry:Agriculture
The plant root plus the adjacent soil that is influenced by the root.
Industry:Agriculture
