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873 (0,098s) •

Project

Preferences of Carabidae (Coleoptera) and weed control implications for predation on seed of alien plants (GA521/07/0978)

on agricultural land require weed seed for their survival and are their important postdispersal predators. The preferences of carabids for particular seeds differ earlier studies on carabid seed predation and test...

EH - Ekologie – společenstva

  • 2007 - 2010
    • •
  • 2 249 tis. Kč
    • •
  • 2 249 tis. Kč
    • •
  • GA ČR
Project

Seed traits – physical and chemical defence against invertebrate seed predators (GA17-00043S)

As most of plant individuals die in the stage of the seed, seed mortality seed traits evolved as defence mechanisms against seed predators. The seed traits important in the seed/predator interacti...

EH - Ekologie – společenstva

  • 2017 - 2021
    • •
  • 5 518 tis. Kč
    • •
  • 4 633 tis. Kč
    • •
  • GA ČR
Project

Role of seed dormancy and predation during the initial phase of establishing seed banks of weed species (GA521/99/1116)

of the initial phase of establishing seed banks selected weed species, i.e. the time from seed dispersal to first period of germination. We will study how the intraspecific variation in seed size and seed dormancy...

GF - Choroby, škůdci, plevely a ochrana rostlin

  • 1999 - 2001
    • •
  • 1 032 tis. Kč
    • •
  • 1 005 tis. Kč
    • •
  • GA ČR
Project

Usage of different types of pollinators in seed production of selected crops (TJ02000287)

Project goals: 1. to compare the pollination efficiency of three types of pollinators (honeybee, bumble bee, solitary bees) on four selected minor crops under the conditions of technical isolation 2. to evaluate the influence of different types of po...

Plant sciences, botany

  • 2019 - 2021
    • •
  • 4 015 tis. Kč
    • •
  • 3 412 tis. Kč
    • •
  • TA ČR
Project

Ecological consequences for seed predation of microbial colonization of herbaceous seeds in soil (GA14-02773S)

and preferences of invertebrate predators will be tested. The seed predators usedSeed survival is an important factor of population biology in plant species with seed limited dynamics or dispersal. After shed from...

EH - Ekologie – společenstva

  • 2014 - 2018
    • •
  • 4 075 tis. Kč
    • •
  • 4 075 tis. Kč
    • •
  • GA ČR
Project

Communities of granivorous insects in assemblages of weeds in crops and orchards (GP522/06/P366)

. Because different carabid species have preference for particular seed speciesWeed control is the most difficult aspect of crop production. Seed predation may remove over 90% of the dispersed seed and is a part of...

GF - Choroby, škůdci, plevely a ochrana rostlin

  • 2006 - 2008
    • •
  • 989 tis. Kč
    • •
  • 989 tis. Kč
    • •
  • GA ČR
Project

Calibrating post-feeding detection times of ingested weed seeds by carabid beetles (8J20AT021)

hypothesize that: 1) Seed specialists will digest preferred seeds faster than-operation in research in the field of qualitative assessment of weed seed predation, allows us to reconstruct trophic networks relate...

Agronomy, plant breeding and plant protection; (Agricultural biotechnology to be 4.4)

  • 2020 - 2022
    • •
  • 81 tis. Kč
    • •
  • 81 tis. Kč
    • •
  • MŠMT
Project

Sex in apomicts – hidden events detected with novel methods. (GA23-06726S)

parental dosage requirements in the endosperm, the effect of pollen donor on seeds apomixis in flow cytometry seed screen but genetically behaving like selfing cytometric seed screen, and (iii) genotyping by next-generatio...

Plant sciences, botany

  • 2023 - 2025
    • •
  • 5 976 tis. Kč
    • •
  • 5 976 tis. Kč
    • •
  • GA ČR
Project

The effect of deteoration and seed-born fungi on the behaviour of seeds (GA521/96/0616)

Most important agronomical requirements on the quality of seeds are high uniformity of seeds germination and field performance. These requirements are effected by the variability of seeds during harvest, the growing conditi...

GE - Šlechtění rostlin

  • 1996 - 1998
    • •
  • 1 436 tis. Kč
    • •
  • 996 tis. Kč
    • •
  • GA ČR
Project

Nitric oxide and the regulation of seed dormancy (1P05ME757)

study of the role of NO in seed dormancy, biological substance of NO production in seeds and the changes in gene expression...

EF - Botanika

  • 2005 - 2007
    • •
  • 1 434 tis. Kč
    • •
  • 784 tis. Kč
    • •
  • MŠMT
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