National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Germination seeds by different temperature conditions
MACHOVÁ, Miroslava
This thesis deals with the biology, occurrence, harmfulness and control selected weed. The thesis aims to process the selected weeds in stands of cultivated crops overview of the biology, extension and suggest regulatory measures for especially dangerous weeds on arable land as for example Redroot pigweed (Amaranthus retroflexus L.), Cleavers (Galium aparine L.), Field pennycress (Thlaspi arvense L.), Shepherd's purse (Capsella bursa-pastoris L.) and Gallant soldier (Galinsoga parviflora Cav.).For selected species was determined germination seeds by different temperature conditions and by different seed depth.
Biology, occurrence and control of weeds in crops of root crops
CHODL, Tomáš
The aim of the present diploma thesis is to widen knowledge of the chemical regulation of weeds in row crops. To establish the effectiveness of herbicides, we set up a small lot at a carefully chosen spot in the potato-growing region near Strakonice. We conducted a comparison of the effects of three herbicide combinations on two potato varieties (Red Anna, Laura). Two combinations proved pre-emergent (Afalon 45 SC+Command 36 SC; Sencor 70 WG+Command 36 SC), one post-emergent (Titus 25 WG). Subsequently, we evaluated economic costs on weeds regulation and suggested preliminary measures to be taken.

Interested in being notified about new results for this query?
Subscribe to the RSS feed.