(1) as an active ingredient, and a method for controlling broadleaf perennial weeds in grass that includes applying the control agent to the soil or foliage: wherein R represents an alkyl group of 1 to 10 carbon atoms that may be substituted with a fluorine atom and the like, X 1 ...
The first part of this book contains an account of the general morphology and classification of grasses and keys to the identification of species in the sub-family Panicoideae. This part is written in English, German, French and Spanish. The main section of the book gives the morphological ...
Sequence data from the plastid encoded gene rbcL are used to determine phylogenetic relationships between various lineages in the grasses, with particular ... NP Barker,H. Peter Linder and Eric H. Harley - 《Systematic Botany》 被引量: 275发表: 1995年 ...
The native grasses and weeds,the scattered patches of gorse,contended with one another for the possession of the scanty surface soil; they fought against the droughts of summer,the frosts of winter,and the furious gales which swept,with unbroken force,now from the Atlantic,and now from the ...
Used to control a variety ofbroadleaf weedsand grasses in legumes such as soybeans and peanuts, and post- emergent weed control in wheat, barley andsugar beets. Not currently registered in the U.S. However, it is used in 21 European countries and there are 27 global suppliers[97]. ...
D. Water went all over the grass, and all overNicky,too. E. At last, Marta got the sidewalk clean. F. Marta thought she could sweep the sidewalk.G. Her mom didn't allow her to water the garden. 5易读度★★☆One day Marta's mom was pulling weeds (拔杂草) in the garden, and ...
This classification method was specifically developed to explore the feasibility of classifying weed images into broadleaf and grass categories for spatially selective weed control. In this research, three species of broadleaf weeds (common cocklebur, velvetleaf, and ivyleaf morning glory) and two ...
Although many species of grasses are known to host BYDV, knowledge of their role in virus spread in regional agroecosystems remains limited. Between 2012 and 2016, Idaho winter wheat production was impacted by BYDV. BYDV-PAV and the bird cherry-oat aphid (BCOA) (Rhopalosiphum padi L.) ...
网络芜;芜秽;的意思是长满杂草 网络释义 1. 芜 字典中 芜... ... (1) 丛生的杂草[ thicket grass] ◎芜overgrown with weeds(4) 杂乱[ (of writings) mixed and disorderly] ... www.zdic.net|基于13个网页 2. 芜秽 翻译_70年代吧_百度贴吧 ... 钶 kē芜秽[overgrown with weeds;be unattended]...
[Middle English, from Old English wēod, herb, grass, weed.] weed 2 (wēd) n. 1. A token of mourning, as a black band worn on a man's hat or sleeve. 2. weeds The black mourning clothes of a widow. 3. often weeds Archaic An article of clothing; a garment. [Middle English we...