Results 21 to 30 of about 280 (123)
Зерновое хозяйство России, 2020 The widespread violation of scientifically based crop rotation and their saturation with sunflower caused an accelerated emergence of more aggressive races of broomrape and powdery mildew.
O. F. Gorbachenko +6 more
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Plant-Environment Interactions, Volume 3, Issue 3, Page 130-139, June 2022., 2022 Mature sunflower (Helianthus annuus) inflorescences no longer follow the Sun, and their majority face nearly East. This eastward orientation may have certain advantages for sunflowers. The eastern direction ensures maximal light energy absorbed by the inflorescences, if on average afternoons are cloudier than mornings, as is the usual meteorological ...
Péter Takács +3 more
wiley +1 more source
BIO Web of Conferences, 2020 Orobanche cumana Wallr., an obligate parasite of sunflower, is widely spread in most countries cultivating this crop. It is one of the main factors limiting the cultivation of sunflower.
Strelnikov Evgeniy +3 more
doaj +1 more source
Multiple genotypes of Phelipanche ramosa indicate repeated introduction to the Americas. [PDF]
Am J BotAbstract Premise Phelipanche ramosa is an economically damaging parasitic plant that has been reported in North America since the late 1800s. While this species comprises a variety of genetically distinct host races in its native range, the genetic composition of adventive populations in the New World remains unexplored.
Schneider AC.
europepmc +2 more sources
Molecular Ecology, Volume 31, Issue 7, Page 2061-2072, April 2022., 2022 Abstract Globalization and intensified volume of trade and transport around the world are accelerating the rate of biological invasions. It is therefore increasingly important to understand the processes through which invasive species colonize new habitats, often to the detriment of native flora.
Sariel Hübner +5 more
wiley +1 more source
International Journal of Agronomy, Volume 2022, Issue 1, 2022., 2022 Phytotoxicity including autotoxicity and allelopathy is the immediate or indirect biochemical impact of one organism on the germination, growth, survival, and reproduction of other organisms or improvement of neighbouring plant species through the arrival of substances into the environment.
Hiwa M. Ahmed +3 more
wiley +1 more source
ChemBioChem, Volume 22, Issue 23, Page 3263-3269, December 2, 2021., 2021 The fungal pimarane diterpene sphaeropsidin A (SphA) has shown promising application in agriculture and medicine. This article reviews its biosynthetic origins, fungal sources, preparation of semisynthetic derivatives and biological activities as well as the results of structure‐activity relationship (SAR) studies.
Marco Masi, Antonio Evidente
wiley +1 more source
Вавиловский журнал генетики и селекции, 2018 Sunflower broomrape is a parasitic chlorophyll plant that affects the root system of the host plant, absorbing water, nutrients and toxic products from it. Germination of broomrape seeds occurs due to strigolactones released into the soil by the roots of
S. G. Hablak +2 more
doaj +1 more source
Distribution and virulence of Orobanche cumana Wallr. in sunflower weed communities of northeastern Croatia [PDF]
Journal of Central European AgricultureOrobanche cumana Wallr. is a parasitic angiosperm distributed in many sunflower-producing countries worldwide, where it can cause a severe yield loss.
Slavica Antunović +6 more
doaj +1 more source
Sunflower breeding for resistance to the new races of broomrape (Orobanche cumana Wallr.) in Romania
Plant Protection Science, 2002 The actual spectrum of the broomrape races in Romania has changed. The study of the sunflower differential set for the broomrape races, under natural and artificial infestation demonstrated the existence of a new spectrum of these races.
M. Păcureanu Joiţa +2 more
doaj +1 more source