نتایج جستجو برای: self pollination
تعداد نتایج: 531903 فیلتر نتایج به سال:
To understand the reproductive ecology of a plant species with both selfing and outcrossing systems, it is important to know how selfed individuals contribute maintenance population. Further, examination magnitude inbreeding depression after pollination essential for accurate measurement success. In this study, we investigated characteristics viable seeds seedlings Rhododendron kaempferi in reg...
Ecological invasions are a major issue worldwide, where successful invasion depends on traits that facilitate dispersion, establishment, and population growth. The nonnative succulent plant Kalanchoe pinnata, reported as invasive in some countries, is widespread in remnants of seasonally dry tropical forest on a volcanic outcrop with high conservation value in east-central Mexico where we asses...
Determination of Self-Compatibility of the 'Arsel' Olive Cultivar Obtained by Hybridization Breeding
This study was aimed to determine the fertilization biology of 'Arsel' olive cultivar obtained by hybridization breeding. For this reason, treatments open pollination, cross and self-pollination were performed for 2 years self-compatibility appropriate pollinators new investigated. Among varieties included as (‘Memecik’, ‘Gemlik’, ‘Uslu’, ‘Ayvalık’ ‘Eğriburun Nizip’), highest fruit set achieved...
Onion thrips (Thrips tabaci Lind.) is one of the important factors which indirectly restrict the proper yield of onion (Allium cepa L.). Therefore, finding tolerant cultivars to onion thrips is important. Because of many small florets, cross pollination in onion which is a biennial plant by using polycross method for breeding is suitable and easy. To produce polycross seed, bulbs of 9 self poll...
Understanding the natural mating behavior (selfor cross-pollination) in watermelon is important to the design of a suitable breeding strategy. The objective of this study was to measure the rate of selfand cross-pollination in watermelon [Citrullus lanatus (Thunb.) Matsum. & Nakai] using the dominant gene Sp (Spotted leaves and fruit) as a marker. The experiment consisted of two studies and was...
Many flowering plants adopt self-incompatibility (SI) to maintain their genetic diversity. In species of Solanaceae, Plantaginaceae, and Rosaceae, SI is genetically controlled by a single S-locus with multiple haplotypes. The S-locus has been shown to encode S-RNases expressed in pistil and multiple SLF (S-locus F-box) proteins in pollen controlling the female and male specificity of SI, respec...
Orchids are generally recognized to have specialist pollination systems and low fruit set is often thought to be characteristic of the family. In this study, we investigated the reproductive ecology of Cleisostoma linearilobatum, an epiphytic tropical orchid, in a holy hill forest fragment and a traditional tea garden in SW China using comparable methods. C. linearilobatum is self-compatible an...
Independent lines of evidence suggest that members from ancient and polymorphic gene families such as defensins and receptor-like kinases mediate intercellular communication during both the immune response and reproduction. Here, we report a large-scale analysis to investigate the extent of overlap between these processes by comparing differentially expressed genes (DEGs) in the pistil transcri...
Because of many small florets and protandry, cross pollination in onion which is a biennial plant, by using polycross method for breeding is suitable and easy. To produce polycross seed, bulbs of 9 self onion genotypes were planted in the shape of equilibrium lattice design for 9 treatments with 10 replications on May 2002. To study some agronomical characteristicss, the polycross seeds produ...
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