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Structural Changes and Fate of Crystalloplastids during Growth of Calcium Oxalate Crystal Idioblasts in Japanese Yam (Dioscorea japonica Thunb.) Tubers
Calcium oxalate Crystal idioblast Crystalloplastid Electron microscopy Raphide Tuber Yam Yamanoimo
2009/7/29
The structural changes of crystalloplastids during calcium oxalate crystal idioblasts growth in Japanese yam tubers were examined by transmission electron microscopy. Idioblasts developed in the corte...
Endogenous Gibberellins in Bulbils of Chinese Yam during Growth and Storage
Bulbils Chinese yam Dioscorea opposita Gibberellins Growth Storage
2009/7/24
Five gibberellins in the early-13-hydroxylation pathway (GA53, GA44, GA19, GA20 and GA1), and six gibberellins in the non-13-hydroxylation pathway (GA12, GA15, GA24, GA9, GA36 and GA4), were detected ...
Dynamics of Amyloplast Sedimentation in Growing Yam Tubers and Its Possible Role in Graviperception
Amyloplast Chinese yam Geotropism Gravity Starch Tuber Yam
2009/7/23
The mechanism of gravitropism in yam tubers was investigated using two cultivars of Chinese yam, cv. Nagaimo which elongates to form a long tuber, and cv. Genkotsujirou which elongates in the initial ...
Cultural Technique for Efficient Seed Propagation of Chinese Yam(Dioscorea opposita Thunb.)
Cultural technique High yielding variety Planting density Seed propagation Seed rhizophore weight
2009/7/16
To make a new growing area for Chinese yam(D.opposita Thunb.), producers need a lot of rhizophore for seed. To establish an efficient cultural technique for its seed propagation, we examined the effec...
Effects of Seed Rhizophore Weight and Planting Density on the Yield of a High Yielding Variety of Chinese Yam:Dioscorea opposita Thunb
High yielding variety Marketa ble cultural technique Planting density Seed rhizophore weight
2009/7/15
To establish a cultural technique for commercial production of a new high yielding variety of Chinese yam (D.opposita Thunb.) "Shintanmaru", we examined the effects of seed rhizophore weight and plant...
Present situation and several ways to improve productivity in Chinese yam(Dioscorea opposita Thunb.)cultivation
Present situation productivity Chinese yam
2009/7/15
Present situation and several ways to improve productivity in Chinese yam(Dioscorea opposita Thunb.)cultivation.
Effects of Using Virus Free Plants in the Chinese Yam (Dioscorea opposita Thunb.) Cultivation and Practical Method to Distinguish a Japanese Yam Mosaic Virus Plant(Agronomy)
Disease High yielding variety Japanese yam mosaic virus Virus free Yam (Dioscorea)
2009/7/14
To improve productivity in the cultivation of Chinese yam 'Tanba-yamanoimo' (Dioscorea opposita Thunb.), we investigated the effect of virus free plants on the yield of a high yielding variety 'Shinta...
Development of a Shape Evaluation Method and it’s Application for 4 Years in Chinese Yam using Image Analyses,—Shape Succession in Vegetative Reproduction—
logistic regression analysis genetic shape-traits shape evaluation shape factor 3-D photograph
2009/7/9
Chinese Yam is produced by vegetative reproduction and the tubers inherit the genetic shape-traits of the seed tubers. Shape is an important factor affecting commercial classification and price, and i...
DETERMINANTS OF YAM PRODUCTION AND ECONOMIC EFFICIENCY AMONG SMALL-HOLDER FARMERS IN SOUTHEASTERN NIGERIA
frontier model economic effi ciency socio-economic
2010/12/2
The determinants of yam production in Southeastern Nigeria were investigated using a stochastic frontier production function, which incorporates a model of ineffi ciency effects. Farm-level data were ...