Essays about: "leaf spots"

Showing result 1 - 5 of 9 essays containing the words leaf spots.

  1. 1. Urban tree canopy mapping -an open source deep learning approach

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Tobias Rydlinge; [2023]
    Keywords : Geography; GIS; AI; deep learning; urban trees; remote sensing; Earth and Environmental Sciences;

    Abstract : Urban trees have an important role to provide ecosystem services and to make our cities greener and more sustainable. The changing climate and densification of cities make it even more valuable to preserve and investigate in urban trees. READ MORE

  3. 2. Hur mår hästkastanjen egentligen? : utbredning och hantering av skadegörare på Aesculus hippocastanum i svenska städer

    University essay from SLU/Dept. of Plant Protection Biology

    Author : Carolin Lundgren; Linnea Svensson; [2022]
    Keywords : kastanjemal; hästkastanjsköldlus; kastanjebladbränna; kastanjeblödarsjuka; Phytophthora; diversitet; växtskydd; urban miljö; stadsträd;

    Abstract : Hästkastanjen, Aesculus hippocastanum, har genom åren varit ett mycket välanvänt stadsträd med höga kulturhistoriska och sociala värden. På senare tid har arten sjunkit i popularitet då den drabbats av flertalet skadegörare och sjukdomar. READ MORE

  4. 3. Viktiga sjukdomar på spenat i Sverige

    University essay from SLU/Dept. of Forest Mycology and Plant Pathology

    Author : Knut Holmberg Andersson; [2021]
    Keywords : spenat; spenatbladmögel; bladfläckar på spenat; rotröta på spenat; växt patogen; hortikultur;

    Abstract : Det finns flera sjukdomar som påverkar spenat (Spinacia oleracea). Sjukdomarna sänker skörden och försämras kvaliteten av produkten. Dessutom vill konsumenter inte ha angripna plantor som inte ser bra ut. I Sverige är den allvarligaste sjukdomen spenatbladmögel, orsa-kat av Peronospora effuosa f. READ MORE

  5. 4. Virus yellows in sugar beets in Sweden and Europe

    University essay from SLU/Dept. Of Plant Biology

    Author : Alma Gustavsson Ruus; [2020]
    Keywords : virus yellows; BYV; BMYV; BChV; BWYV; sugar beet; Myzus persicae; green peach aphid; Aphis fabae; black bean aphid; neonicotinoids;

    Abstract : This thesis describes virus yellows in sugar beets and converse both older and new knowledge about the viruses, vector and host relations and the control measures against the disease. The aim is to explore new potential control measures and to predict how the disease may affect agriculture in the future. READ MORE

  6. 5. Application of pulsed electric fields and vacuum impregnation to improve the freezing tolerance of fresh Origanum vulgare leaves

    University essay from Lunds universitet/Livsmedelsteknik och nutrition (master)

    Author : Iliana Karasa; [2018]
    Keywords : Oregano leaves; Freezing; Freezing tolerance; Pretreatments; Vacuum Impregnation; Pulsed electric fields; food engineering; livsmedelsteknik; Agriculture and Food Sciences; Technology and Engineering;

    Abstract : One of most ancient food preservation methods is freezing because there are not caused significant changes the sensory characteristics and nutritional value of foods. Last decade, have been made great steps for the optimization of freezing tolerance of fresh vegetables, fruits and species. READ MORE