Seed dormancy
THERMAL AND MOISTuRE cONTENT EffEcTS ON STORABILITY AND SEED DORMANcY RELEASING ON Brachiaria brizantha cuLTIVARS
... double seed dormancy mechanism, mainly on fresh-harvested seeds, leading to germination percentages lower than those of viability detected by tetrazolium test (TZ) and causing problems as to storage, ...
9
Seed dormancy, seedling establishment and dynamics of the soil seed bank of Stipa bungeana (Poaceae) on the Loess Plateau of northwestern China.
... of seed germination largely depends on dormancy release which regulated by various environmental factors ...[9]. Dormancy of fresh seeds of ...promote dormancy release (see ...[51]. ...
10
Use of phytoregulators in overcoming macaw palm seed dormancy
... Acrocomia aculeata (Jacq.) Lodd. ex. Mart. (macaw palm) is an oleaginous palm tree that is native to the tropical Americas and has a wide geographical distribution; it is especially common in south-eastern Brazil ...
7
Germination pretreatments to break hard-seed dormancy in Astragalus cicer L. (Fabaceae)
... the seed coat with sandpaper, a razor blade, or nail clippers, can be overcome with batch scarification ...commercial seed polishing, hulling, or scarifying equipment for larger lots, albeit at the cost of ...
8
Effect of storage in overcoming seed dormancy of Annona coriacea Mart. seeds
... overcome seed dormancy in ...physiological dormancy by temperature reductions. According to the seed dormancy classification system proposed by Baskin and Baskin (2004a), the type of ...
10
SULPHURIC ACID SCARIFICATION EFFECTS ON Brachiaria brizantha, B. humidicola AND Panicum maximum SEED DORMANCY RELEASE
... on seed dormancy releasing, through germination time (T 50 ) and variability among germination test replicates, in 630, 94 and 82 seed samples of ...Central Seed Testing Laboratory, Campinas, ...
5
Effects of chemical treatments and environmental factors on seed dormancy and germination of shepherd’s purse (Capsella bursa-pastoris (L.) Medic.)
... on seed germination was significant, in 12/12-h light/dark and continuous darkness conditions alike ...bursa-pastoris seed increased markedly in both conditions ...range, seed germination did not ...
7
SEED GERMINATION AND SEEDLING VIGOUR OF ITALIAN RYEGRASS, COCKSFOOT AND TIMOTHY FOLLOWING HARVEST AND STORAGE
... conditions. Seed dormancy has been reduced in some intensively cultivated agricultural crops, mainly vegetables, through ...However, seed dormancy in cultivated forage species is very ...
8
O potássio na superação da dormência em sementes de Brachiaria humidicola ‘BRS Tupi’
... Dormancy of the B. humidicola cv. ‘Humidicola ’ seeds was overcome after 21 storage months. It was unaffected by acid scarification or any kind of treatment using germination- promoting substances prior to that ...
8
Possible involvement of proteasome activity in ethylene- induced germination of dormant sunflower embryos
... The phytohormone ethylene regulates a multitude of plant processes, ranging from seed germination to organ senescence (Johnson and Ecker, 1998). Indeed, several components involved in its action at molecular level ...
8
Possible involvement of proteasome activity in ethylene- induced germination of dormant sunflower embryos
... The phytohormone ethylene regulates a multitude of plant processes, ranging from seed germination to organ senescence (Johnson and Ecker, 1998). Indeed, several components involved in its action at molecular level ...
7
After-ripening induced transcriptional changes of hormonal genes in wheat seeds: the cases of brassinosteroids, ethylene, cytokinin and salicylic acid.
... regulating dormancy and germination of wheat seeds, we investigated the differential expression of a total of 78 probesets annotated as ET metabolism and signalling genes (Table S2) between after-ripened and ...
14
Yuming Wei1 , Yanli Lu2 and Youliang Zheng1
... Eighty founder parents and their derivatives, col- lected by the Triticeae Research Institute of Sichuan Agri- cultural University, were used to identify PHS resistance. The experimental materials were grown in a ...
10
SEED PERFORMANCE AFTER EXPOSURE TO HIGH TEMPERATURES
... overcome seed dormancy in several grass species (ISTA, 1985) has been recommended for ...that seed preheating for four days at 27, 47, 57, and 67 ºC increased germination in relation to the exposure ...
8
Methods for overcoming dormancy in teak diaspores
... a seed or spore plus any additional tissues that assist dispersal, has the pericarp impermeable to water and protects the ...causing seed dormancy (Dias et ...the seed and the presence of ...
6
A Chromosome Segment Substitution Library of Weedy Rice for Genetic Dissection of Complex Agronomic and Domestication Traits.
... height, seed shattering, and seed dormancy, the major QTLs identified in RIL populations on chromosomes 1, 4, and 7 (respectively) were validated in the CSSL popula- ...For seed shattering, ...
22
Diagnosing the problems in experi- mental design and in data interpre- tation
... regarding seed dormancy using our flora as a study ...among seed scientists is paramount to a deeper understanding on the phylogenetic and biogeographic distribution of seed ...Measuring ...
6
Maternal habitat affects germination requirements of Anabasis setifera, a succulent shrub of the Arabian deserts
... 2006). Seed dormancy and germination requirements differ depending on maternal habitat, time of seed development and maturation on mother ...example, seed germination varies between ...
6
Ecologia e funções adaptativas da dormência em sementes de gramíneas campestres brasileiras
... of seed longevity and germination in 29 grass species were verified, and 20 species with ecological restoration potential were ...(1) seed dormancy in grass seeds from the Cerrado evolved in response ...
106
FACTORS AFFECTING FORAGE STAND ESTABLISHMENT
... Although seed dormancy is advantageous in nature, production agriculture demands that seeds planted germinate uniformly and quickly to produce a productive ...legume seed lots with high hard ...
6