Fungicides Pesticides are classified into two types, protective fungicides and therapeutic fungicides. According to
Pesticide experts from the Shandong Academy of Agricultural Sciences, only the correct use of fungicides can receive good control.
According to experts, fungicides are pesticides that prevent diseases in crops. They must be selected according to the different nature, characteristics, and effects of different types of fungicides.
One is a protective bactericide, which is a preparation used to treat the environment of a plant or a plant before the invasion of the pathogen. Need to be sprayed before the plant is exposed to pathogens or diseases to receive effects such as copper preparations (Bordeaux solution), sulphur preparations (lithium sulphur), mancozeb, zeocin, chlorprozin, basic sulphuric acid Copper, killable, seed treatment and soil treatment agents.
The second is therapeutic bactericides. These bactericides are characterized by systemic absorption. The use of such bactericides occurs when the pathogen has invaded the plant or the plant is already infected. At this time, it is applied to the plant to kill pathogens or to suppress pathogens. Growth and development to reduce or eliminate plant diseases. The use of drugs in the early stages of plant disease will have better results.
Bermudagrass as perennial herbaceous plants, with rhizomes and stolon, fibrous root thin and tenacity.Stolons tile ground or buried in the grave, 10 ~ 110 cm long, smooth, hard day take root downward, and plant height of 10 ~ 30 cm.Leaf flat, lanceolate, 3.8 ~ 8 cm long, 1 ~ 3 mm wide, front-end acuminate, margin serrulate, leaf color thick.Spica 3 ~ 6 pieces are arranged finger in stem tip, and arranged spikelets in cob side, sometimes slightly purple.Seeds 1.5 mm long, ovoid, mature falls off easily, but since the broadcast.Bermudagrass xi warm humid climate, negative resistance and cold resistance is poorer, growth temperature is 20 ~ 32 ℃, almost stopped growing in 6 ~ 9 ℃, xi drainage good fertile soil.Bermudagrass trampling resistance, strong ability to occupy.This lawn in south China green stage for 270 d, north China, central China to around 240 d.Bermudagrass breeding ability is strong, but not easy to harvest, the seed by using points rootstock breeding.
Bermuda Grass
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