Rice: Prevent disease as soon as possible
The continuous occurrence of low-temperature and rainy weather has a great impact on the seedling cultivation in Putian. From the investigation in Putian and the reports from local farmers, the occurrence of bacterial wilt and blight generally occurred. To ensure safe production and achieve a bumper harvest, Zheng Yifang, a researcher at the Rice Research Institute of the Provincial Academy of Agricultural Sciences, proposed the following production proposals.
Zheng Yifang said that the current seedlings are mostly concentrated in the 2.0-2.5 leaf stage. Some seedlings have already entered the transplanting stage. Putian management should pay attention to more ventilation, less watering, and promote root development. Seedlings with yellow leaves should be fertilized once, 25 g of ammonium phosphate or 10 g of ammonium sulfate, and watered after fertilization. In order to deal with bacterial wilt in Putian, take leewing to open the seedlings, and severely move the seedlings into Honda. Blight is controlled by pesticides, Rui Miaoqing 2-3 grams, no watering after application.
This year Putian Bacterial Wilt is widespread, and there may be insufficient seedlings. According to this situation, Honda may carry out sparse insertion and transfer the transplanter to 20-22 points, with 3-5 seedlings per hole, which has no effect on the yield. . Can also be used to manually insert the way, for sparsely inserted. Before the machine is inserted, the seedlings must be fertilized with the drug, and 150 g of diammonium phosphate should be taken and the dimethoate sprayed once. After the plug, shallow water irrigation should be used to promote seedling rooting and early tillering to prevent the damage of leaf miners.
Zheng Yifang said that for this year's seedling status, early transplanting is the only way to reduce the damage caused by diseases. To ensure the progress and quality of the land preparation, the seedlings should be allowed to land as soon as possible. We must choose Honda herbicides that are safe for seedlings to prevent the increase of drug dosage and the mixing of multiple herbicides.
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