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IR72系菲律宾国际水稻研究所培育的高产水稻良种,曾荣获联合国粮农总部授予的“科学奖”,被世界许多国家种植,誉为“稻中之王”。1992～1993年我县引种作中稻栽培,亩产610公斤以上,确为高产、优质常规籼稻品种。特征特性:IR72全生育期133天,株高116厘米。茎秆粗壮,株型紧凑,分蘖力较强,生长旺盛。成穗率高,平均穗粒数145粒,结实率82％,千粒重28克。抗性强,抗寒、耐旱、抗叶枯病,耐肥抗倒伏。出米率73％,米粒透明细长,米饭柔软可口,米质可达部颁优质米标准。栽培要点:(1)培育壮秧。选择水肥条件好、无鼠
IR72 is a high-yielding rice cultivar cultivated by the International Rice Research Institute of the Philippines. It was awarded the “Science Award” by the UN Food and Agriculture Headquarters and was planted in many countries in the world as “the king of rice.” From 1992 to 1993, the county introduced as a middle-season rice cultivation with a yield of more than 610 kilograms per mu. It is indeed a high-yielding and high-quality conventional indica rice variety. Features: IR72 full growth period 133 days, plant height 116 cm. Stem stout, compact plant type, strong tillering ability, strong growth. Spike rate, the average number of 145 grains per spike, seed setting rate of 82%, grain weight 28 grams. Strong resistance, cold resistance, drought tolerance, resistance to leaf blight, resistance to lodging. The rate of rice is 73%. The rice is transparent and slender, the rice is soft and delicious, and the rice quality can reach the ministerial standard of high quality rice. Cultivation points: (1) Cultivation of strong seedlings. Choose water and fertilizer conditions, no mouse