Rose black spot is a worldwide disease. The disease mainly affects the leaves of the rose, but also affects the petioles, veins, shoots, buds and other parts. At the early stage of disease, small brown spots appeared on the front of the leaves and gradually expanded into round, near-circular or irregular black-purple spots, and the edges of the lesions were radial. In the later stages, the central tissue of the lesions turned grayish, with small black spots on them, which are the conidia discs of the pathogenic bacteria. In some rose varieties, the tissues around the lesions turn yellow, and some species have a green tissue between yellow and lesions, called "green islands." The lesions are connected to each other and the leaves turn yellow off. The lesions on the young shoots were purple-brown, long oval spots that soon turned black and the lesions rose slightly. The lesions on petiole and veins are similar to those on young shoots. The lesions on the buds are mostly purple-brown oval spots. Control methods: 1 Remove diseased leaves and destroy them in time; 2 At the beginning of leaf development or early onset in the spring, use 45% Thiabendazole (Texaco) suspension 500 times to 600 times, or 70% chlorothalonil wettable powder 500 times, alternately. , Every 7 days to 10 days, once or more than 3 times, the control effect is better. The use of chlorothalonil alone is more effective than carbendazim.
Ningxia
Kofolon International Co.,Ltd make and export Frozen Horseradish roots.We have our horseradish planting base with
5000 acres.Our frozen horseradish roots is used for Japanese
food,sea food and fashion food. Our frozen horseradish roots is healthy,natural,spicy and
delicious, and very popular in Japan,Korea,America,Europe,Brazil,Taiwan,South-East
Asia,etc.
We
can make frozen horseradish roots as your
request,such as quality,price,packing,color,etc.
More
details is following.
Packing:15kgs/CTN 25tons/40`RH
Ingredients:horseradish
Delivery:20
days
MOQ:25TONS
Payment:T/T
Frozen Horseradish Frozen Horseradish,Frozen Diced Horseradish,Dried Frozen Horseradish,Raw Material Horseradish NINGXIA KOFOLON INTERNATIONAL CO.,LTD. , https://www.kofolon.com