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Effects of Training on Tree Growth, Yield and Dry Matter Production in Japanese Pear ‘Kousui’ in a Soil Mound Rhizosphere Restricted Culture System
assimilate partitioning rate leaf area index root restriction Y-shape training
2010/2/22
We evaluated the effects of training and culture methods on tree growth, yield and dry matter production in the Japanese pear ‘Kousui’. We adopted two culture methods: conventional culture and rhizosp...
Effect of Localized Deep Placement of Manure Using Excavation Machine on the Yield and Root Growth of ‘Kousui’ Japanese Pear Tree
Root Growth Manure Pear Tree
2009/7/10
We investigated the effect of localized deep application of compost using a labor-saving excavation machine on the yield and root growth of the Japanese pears tree, ‘Kousui’, which shows decreased yie...
Mode of Action of Ethephon as a Chemical Thinner on Japanese Pear Flower
abscisic acid abscission layer chemical flower thinning ethylene indoleacetic acid
2009/7/9
The mechanism of flower thinning by ethephon treatment was investigated in the Japanese pear ‘Hosui’. Ethephon at 250 ppm was applied to flower clusters 7 days before full bloom (DBFB). After ethephon...
Flower Thinning Effect of Ethephon on Several Japanese Pear Cultivars
Faculty of Horticulture,Chiba University
2009/7/9
Ethephon (2-chloroethylphosphonic acid) was evaluated for its potential use as a flower thinner in several Japanese pear cultivars. In ‘Hosui’, ethephon at 100 or 250 ppm was applied to flower or frui...
Effects of Various Training Systems on Fruit Production Efficiency in Young Filler Trees of Japanese Pear ‘Gold Nijisseiki’
fruit productivity number of scaffold shoot growth training yield efficiency
2009/7/9
For the purpose of obtaining early and high yield in young filler trees of Japanese pear ‘Gold Nijisseiki’ the effect of different training systems on fruit production efficiency was investigated. Per...
Effects of Various Training Systems on Canopy Development, Yield and Fruit Quality in Young Filler Trees of Japanese Pear ‘Gold Nijisseiki’
early increase of yield number of scaffold pruning
2009/7/9
To obtain early and high yield in the young filler trees of Japanese pear ‘Gold Nijisseiki’, the effects of different training systems on canopy development, yield, and fruit quality were investigated...
Effects of Two Different Training Methods on Dry Matter Partitioning and Translocation of 13C-Photosynthates in Young Trees of Japanese Pear ‘Gold Nijisseiki’
13C-assimilate fruit productivity number of scaffold pruning shoot growth
2009/7/8
Potted trees of 4-year-old ‘Gold Nijisseiki’ were used to compare two different training methods. The effects of 2-scaffolds and 5 or 6-scaffolds for young trees on the dry matter partitioning were st...
Inhibitory Effects of Pinching and Defoliation against Current Shoots on Flower Bud Formation in Japanese Pear
axillary bud disbudding primary scaffold branch secondary scaffold branch
2009/7/7
We investigated inhibitory effects of the formation of axillary flower buds by pinching and defoliation of current shoots on four different cultivars of Japanese pear (Pyrus pyrifolia (Burm. f.) Nakai...
Effect of Leaf-Fruits Ratio on Sugar Accumulation of Japanese Pear‘Gold Nijisseiki’Fruits
fruit load high quality fruit non-destructive near infrared spectrometer
2009/7/7
We estimated Brix values of Japanese pear ‘Gold Nijisseiki’ fruit on the tree using a portable non-destructive near infrared spectrometer to compare net Brix value of the fruit during the 30-day perio...
Effect of Differences between Day/Night Temperature during the Early Shoot Growth Period on Shoot Elongation and Fruit Growth in the Japanese Pear ‘Gold-Nijisseiki’
cultivation in a plastic house DIF dry matter partitioning ratio temperature
2009/7/6
We investigated the effects of differences between day and night air temperatures (DIF) during 40 days after full bloom on shoot elongation and fruit growth of Japanese pear ‘Gold-Nijisseiki’. Althoug...