13The research of this laboratory is focused on developing new cultivars and improving breeding efficiency. Their research efforts include generation of novel breeding materials by exploiting genetic resources of local varieties and wild relatives, identification of agronomically important genes using molecular markers, and elucidation of the mechanisms underlying the phenotypic expression of those genes.Cross-pollination in riceLaboratory members with rice seed-lingsPlant BreedingOld-growth Sequoia forest (Califor-nia, USA)Cross-sectional microscopic image of a fig stem (Ficus carica)Our goal is to provide students with fundamental knowledge and experience in the forest sciences (tree physiology and func-tional anatomy, forest ecology and pathology), which are neces-sary for sustainable management of forests ecosystems. Our research sites include plantation forests, “Satoyama” (secondary forests used for fuel), primary forests, shrine/temple forests, and urban green space.Forest ResourcesProvides students with research and education programs that aim at improv-ing the productivity and quality of food crops, horticultural crops, industrial crops, and trees all as resource plants that support our daily life through studying their physiology, ecology, and genetic characteristics.Plant ScienceCompatible pollen tube growthIncompatible pollen tube growthSeed parentF1Pollen parentHorticultural plants propagate either via seeds (sexually) or by vegetative reproduction (asexually). Seed propagation involves pollination, fertilization, and formation of seeds and fruit, whereas vegetative propagation proceeds in the absence of gametes. Seed formation plays a key role in fruit development. The research and educational activities of this laboratory are centered on the elucidation and control of these propagation mechanisms, with the goal of enhancing fruit, seed, and seed-ling productivity.Horticultural Crop PropagationHow is self-incompatibility regulated?How is heterosis mediated?Achieving high-quality strawber-ries in plant facto-ry systemLivewort： a novel functional vege-table cultivation systemFlowering regula-tion of carnation (upper),Breeding of stress-tolerant Tg lettuce (lower)Analysis of straw-berry allergen and anti-allergic effect (upper),Anther culture of African violet (lower)This laboratory aims to enhance the productivity and utility of horticultural products. We improve light use efficiency and the operability of cultivation facilities with the goal of launching effective production systems. This laboratory will develop the potential of plants by breeding of cultivars with improved stress tolerance and functionality.Horticultural Crop ProductionThis laboratory aims to improve plant productivity, establish safe and sustainable cultivation methods, and identify new applications and usages of plant resources. The research and education specifically relate to physiological mechanisms that determine the photosynthetic capacity, stress tolerance, and lipid synthesis in food and industrial crops, weed control, as well as utilization of plant-derived materials for new purposes, e.g., as sources of renewable energy.Photosynthetic measurement (right) and gene expression analy-ses (left) of rice.Oil crops. Vernonia galamensis (top left); Helianthus annuus (sunflower) (top right); Ricinus communis (castor bean) (bottom left); Jatro-pha curcas (bottom right).Crop Science0.5mm
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