Turfgrass Basics

Cool-season turfgrass main features

Optimum growth temperature is 15 ~ 25 ℃, distribution north, northeast, northwest . Hardy, long green period of the year there are two growing peak spring and summer slow growth, and the emergence of the phenomenon of dormancy . Rapid growth, good quality , wide use ; available seed propagation , vegetative propagation can also be used ; poor heat resistance , poor resistance to diseases and pests , requiring fine management . High administrative costs .

The main application of lawn grass as several genera : Poa , Lolium , Festuca and Agrostis spp.

Warm-season turfgrass main features

Optimum growth temperature is 25 ~ 35 ℃, the Yangtze River and southern regions. Heat- year growth of only one peak of summer , spring growth is slow , versatile, can be propagated by seed , vegetative propagation can also be used , often vegetative propagation , pest resistant ability, management is relatively extensive ; green short, quality uneven.
The main application of lawn grass as several genera : mainly in the following eight genera: Zoysia , buffalo grass genus Cynodon , carpet grass genus, centipede grass genus, water power sprayer obtuse leaf grass genus Paspalum , Eragrostis .

Other Lawn: clover, horseshoe gold , safflower shamrock , Radix , Zephyranthes .

Weed Basics

Statistics lawn weeds now there are nearly 450 kinds of weeds , belonging to 45 families , 127 genera. Which Asteraceae 47 kinds ; Chenopodiaceae 18 kinds ; Gramineae nine kinds ; sedge 16 kinds ; Caryophyllaceae 14 kinds ; Labiatae 28 kinds ; Qiang The Section 13 kinds ; leguminous 27 kinds ; Umbelliferae 12 kinds ; Polygonaceae 27 kinds ; cruciferous 25 kinds ; Ranunculaceae 15 kinds ; Solanaceae 11 kinds ; Euphorbiaceae 11 kinds ; Liliaceae eight kinds ; poppy seven kinds ; Gentianaceae seven kinds . There are 60 kinds of main weeds .

Herbicides for weed control in accordance with the category of weeds can be divided into three categories , namely grass weeds ( sharp leaf grass ) , broadleaf weeds ( round leaf grass ) , sedge grass ( Spartina grass ) . Simple distinguish three kinds of weeds are as follows:

Weeds : leaves elongated ; back sprayers veins parallel ; stem section is circular ; roots fibrous root.

Broadleaf weeds: leaves broad ; veins reticulate ; stem section is round or square ; roots straight roots , there taproot .

Sedge weeds : leaves elongated ; veins parallel ; stem section is triangular ; roots fibrous root.