Beware of Welsh onion rot in high temperature and rainy season
With the advent of high temperatures and rainy seasons, root rot of green onions is increasing. The author reminded the majority of vegetable farmers that prevention of the disease needs to be done in advance. According to relevant experts, in recent years, root rot has become the primary disease that restricts the yield and quality of green onions. When the disease occurred, the onion tip yellowed, and then shrivelled to death. The roots and stems (ie stem and base of the pseudostem) darkened and decayed, and the roots progressively necrosed, eventually resulting in dead seedlings and dead trees. In general, after the onion ditch water or flooding irrigation, when the high temperature weather, the incidence of heavy. Here, it is recommended that the onion farmer, in addition to paying attention to reasonable rotation, fertilization, focusing on the disease, the focus needs early prevention and early treatment. 1. After the onion has been planted with slow-onset seedlings, it can use 1 kilogram of “Kandidei†to use it to prevent the occurrence of root rot. 2. If there is sporadic occurrence of scallion root rot in the plot, measures can be taken to prevent and control it by means of single irrigating roots. The choice of pesticide is 500 times that of Donning or 600 times that of Kebo. Each branch is filled with half a catty of liquid, with 2 irrigations. ~3 times. In addition, onion trees around the disease should pay special attention to disease prevention. 3. If the root rot of the onion in the field occurs seriously, you may choose to use Shi Ding Ning or Cobo to control it with water. The amount of mu is about 1 kg. In addition, after the emergence of dead trees in the onion field, in addition to its removal and burying, we must also pay attention to soil sterilization treatment inside the cave, such as the application of lime.
We are China leading manufacturer and exporter of Drug Intermediates, Pharmaceutical chemical, Pharmaceutical Intermediates, pharmaceutical drug intermediates and Bulk Drug Intermediates
It included Amisulpride Intermediate, Sarpogrelate HCL Intermediates, rebamipide intermediates, levosulpiride intermediates,Ivabradine hydrochloride intermediates, capecitabine intermediates, Abiraterone Acetate Intermediates,Dolutegravir Intermediates,Tofacitinib Intermediates, Bosutinib Intermediates,Ibrutinib Intermediates,Afatinib Intermediates, Eltrombopag Olamine Intermediates, Axitinib Intermediates,Etoricoxib Intermediates, Vilanterol Intermediates, Indacaterol Intermediates,Rocuronium Bromide Intermediates, 3'-Hydroxyacetophenone,2-Chloronicotinic acid ,2-Methylsulfonyl-4,6-dimethoxypyrimidine,Nucleus of Cefditoren (7-AMTCA) ,7-MAC ,(S)-2-Aminobutyramide hydrochloride(SABAM HCL) Levoxiracetam Intermediate...
Most of all above intermediates are ready iin stock, delivery tme is effective, Price is competitive.
Pharmaceutical Intermediates Pharmaceutical Intermediates, Drug Intermediates,Pharmaceutical,Bulk Drug Intermediates Taizhou Volsen Chemical Co., Ltd. , https://www.volsenchem.com