Review and prospects of control and occurring of hybrid rice disease and insect pests in Hunan province
huang zhi-nong1; liu nian-xi2; liu er-ming3(1.plant protection institute; hunan academy of agricultural sciences; changsha hunan 410125; china; 2.hunan province plant protection and quarantine station; changsha hunan 410005; china; 3.college of bio-safety science and technology; hunan agricultural university; changsha 410128; china)