一、分药发生的—般情况1.分药发生的部位水稻和其他的禾本科作物一样,在泥土中或靠近地面的基部数个节上的腋芽,遇适当的条件,即能成为侧茎并产生不定根,称为分药。稻的主茎上有很多节,节数的多少,因品种、生长期的长短而有所不同。生长期长的品种可多至17个节以上;生长期短的品种,常常仅10个节左右。一般有13—16 First, the dispensing of - the general situation 1. The site where the drug occurs Rice and other grass-like crops, in the soil or near the ground at the base of several axillary buds, under the right conditions, that can become side stems And produce adventitious roots, known as the drug. The main stem of rice has many sections, the number of sections, due to the species, the length of the growth period is different. Growing varieties can be as long as more than 17 knots; short growing species, often only about 10 knots. Generally 13-16