The effective control method of rice bastard disease
The effective control method of rice bastard disease
Rice bastard disease, commonly known as white stalk disease and leggy disease, is one of the common diseases of rice.
Symptoms: The diseased seedlings are taller and weaker than normal seedlings, and the leaves and sheaths are narrow and long, yellow-greenish, the roots are stunted, and the root hairs are few. Serious illnesses often die early. Honda diseased strain showed early jointing, diseased planting with little or no tillering, significant elongation between the nodes, joints often bending exposed leaf sheath, there are adventitious roots, peeled leaf sheath, stems with brown streak, cut open disease stem, visible There is a white spider silk hyphae inside, and the dead seedlings have light red and white molds on the surface under wet conditions, namely the conidia and conidiophores of the pathogen. The mildly diseased plants can be eared, the ear is short and small, and the grain is not true.
Transmission routes and conditions: Seed carriers and diseased rice straw are the primary sources of infection. The conidia produced on the dead seedlings can be re-infested by wind and rain. The optimum temperature for infection is 30~35°C. In the flowering of rice, conidia infect the flower plant, resulting in valley or deformity, invading the cultivar or seed coat tissue, and causing the seed to carry bacteria. During threshing, the conidia of the diseased part will also fall down and adhere to the seed, and the germ will overwinter on the surface of the seed.
Control methods: (1) Use disease-free seeds. (2) Treat the seeds. The selection of jinbo root seedlings for seed dressing treatment. (3) to improve the cultivation and management techniques, pregerminate should not be too long before sowing, so as not to be traumatized when the next species, easy to invade the bacteria; to remove the earthworm as far as possible to avoid root damage is too heavy to reduce the incidence. (4) Remove the diseased plant in time and destroy it. After harvesting, the diseased rice straw will be processed by Fertilizer fermentation and become high-quality fertilizer, which will be reused repeatedly.Natural pigment supplier Organic Herb Inc's range of products include: Marigold Extract (lutein, yellow pigment), Sorghum biocolor extract (Sorghum pigment, red), beetroot extract (Beet Red), Ginger extract (gingerol yellow), Black Carrot Extract (red), Purple Kale pigment(red cabbage pigment), Purple Sweet Potato Color, chili extract (capsicum red pigment), Gardenia Extract (Gardenia Yellow) etc, these Natural Colors can be widely used as food additives , beverage additives and dietary supplement etc.
Natural Pigments have grabbed a lot of attention as an alternative of synthetic pigments.The plant extracted color finds its application in a variety of fields, including pharmaceuticals drug production ,nutraceuticals,food production ,dairy, beverages, animal feed ,cosmic and the confectionery segment.Plant extract of natural colors is not only good for coloring but also good for improve wellness as most of them are antioxidants.Organic Herb Inc is a China-based plant extract manufacturing company which takes pride in providing a wide range of high quality environmentally friendly and water miscible pigments from organic plants at competitive market prices.
Natural Colors,Natural Pigments,Carrot Pigment,Gardenia Extract Powder
Organic Herb Inc. , https://www.extracts.pl