摘要
进行了施用化肥对稻瘟病发生程度的影响试验,结果表明:不同化肥种类,不同施肥用和不同施肥方式对水稻稻瘟病发生程度有一定的影响。从控制稻瘟病的角度来看,在N:P:K为4:2:1的情况下,施肥纯量为210-240kg/hm2最为适宜,稻瘟病发病程度最轻。施用钾能增强水稻植株抗病性,降低叶稻瘟病的发生程度。从水稻各生育时期施肥比例来看,以基肥:蘖肥:9叶期调解肥:穗(粒)肥为3:3:1:3为宜,稻瘟病发病程度较轻。
Trial result indicates that different kinds, amounts and ways of fertilization affected occurrence degree of rice blast. Looking ahead, controlling rice blast was in the case of N：P2O5 .K2 O, 4：2：1 is better than others. Under this condition, quantity of fertilization from 210kg·hm^-2 to 240kg· hm^-2 showed the better, incidence disease was also lower. Fertilization of Potash strengthens the resistance to blast in rice, lightening occurrence degree. Proportion of fertilization to rice at different growth stages, basic fertilizer： tiller fertilizer： mediating fertilizer： granule fertilizer, 3 ： 3 ： 1 ： 3 proved better than others, incidence disease was lower than others.
出处
《安徽农学通报》
2007年第7期67-68,共2页
Anhui Agricultural Science Bulletin
基金
黑龙江省重点攻关项目资助(GB01B201
GB02B201和GB06B105-2)
黑龙江省农垦总局重点攻关项目资助(HNKXIV-01-04-02)
黑龙江省植物病理重点学科建设资金资助
关键词
水稻
稻瘟病
化肥
rice
rice blast
fertilizer
