How to control rice brown streak?

How to control rice brown streak? Please give guidance and methods the harmful symptoms of rice brown streak can occur from seedling stage to panicle stage. The disease spot is yellow, initial yellow, and then turns yellowish brown until all rot. Heart leaves fall ill before extraction, can not continue to grow upward and die in the heart, forming a false withered heart, so it is known as heart rot. The diseased plant has a stench, squeezed with the hand, and there is an outflow of milky white to yellowish turbid bacteria. Under natural circumstances, the surface of the disease spot is often secreted by yellowish-brown bacteria, which is sometimes mistaken for bacterial blight. Flag leaves sometimes occur, and accompanied by early ear phenomenon, ear neck elongation, branchlet light brown, curved deformity, grain brown, much chaff. Diseased plants are generally taller than healthy plants, and there are more ineffective tillers. Integrated control technology 1. We should do a good job in the capital construction of farmland and establish a drainage and irrigation system to avoid flooding the rice fields. Usually, it is necessary to prevent deep irrigation of stagnant water, in order to avoid rice plant infection. At the same time, through reasonable fertilizer and water management to enhance the resistance of rice plants. two。 Strengthen field management to prevent the epidemic of bacterial diseases. For the submerged rice fields, the sediment on the leaves should be cleaned in time, draining and drying the fields, and the series irrigation of field water should be prevented as far as possible to prevent bacteria from spreading with the current. In order to increase plant nutrition and improve disease resistance, potassium dihydrogen phosphate can be properly sprayed on the leaves. Lime or plant ash of 30kg / mu can also be applied to control the spread of diseases and promote the regeneration of rice roots. At the same time, it was sprayed with 500 × 600 times of agricultural streptomycin. 3. For the newly diseased or diseased fields, the agricultural streptomycin 500-600-fold solution was sprayed immediately. Click to get more rice planting techniques click to get more food crop planting techniques