搜索结果: 1-11 共查到“作物育种学与良种繁育学 Study”相关记录11条 . 查询时间(0.875 秒)
Study finds that maize roots have evolved to be more nitrogen efficient
maize roots more nitrogen efficient
2015/4/29
Selective breeding of maize over the last century to create hybrids with desirable shoot characteristics and increased yield may have contributed indirectly to the evolution of root systems that are m...
Cultivation and domestication study of high value medicinal plant species (its economic potential and linkages with commercialization)
Domestication medicinal plants altitude economic potential farm lands
2011/1/12
This paper describes the domestication and economic potential of the cultivation of some therapeutically important medicinal plants. Pakistan is home to precious wide range of globally threatened spec...
Study on Efficient Heating Methods for Harvester to Prevent Secondary Infection of Red Perilla Bacterial Wilt
Red Perilla Bacterial Wilt Secondary Infection
2010/12/3
Secondary bacterial wilt spread through a trimmer blade of a harvester has become a major issue in red perilla when crops are rotated in rice fields. To prevent infection, the trimmer blade must be he...
Genetic Study on Resistance to the Common Cutworm and Other Leaf-eating Insects in Soybean
backcrossing crop pests DNA markers genome information QTL
2010/10/25
The common cutworm (Spodoptera litura Fabricius) is a major pest of soybean [Glycine max (L.)
Merr.] in southwestern Japan, and other lepidopteran insects damage soybean crops in the United States. P...
COMPARATIVE STUDY OF AGRONOMIC PARAMETERS IN SYNTHETIC MAIZE VARIETIES
Zea mays cultivars performance agronomic characters
2010/9/27
Yield and yield components of five synthetic maize cultivars (EV-3001, Jalal,Kisan, Azam and Pahari) were studied at Chilas Agriculture Farm, district Diamer, Northern Areas, Pakistan during 2005. Cul...
Study on Osmotic Stress Tolerance in Promising Durum Wheat Genotypes Using Drought Stress Indices
Germination seedlings osmotic stress durum wheat drought tolerance
2010/11/15
One way to overcome the negative effects of water stress on crop production is the
development of drought tolerant cultivars. In the present study we have attempted to quantify the drought tolerance ...
A Cyto-histological Study on Shoot Differentiation and Mesophyll Morphology of the Excised Lettuce (Lactuca sativa L.) Cotyledons as Affected by Light Conditions during Seedling Growth
Cell Cotyledon Lettuce Light Mesophyll Shoot differentiation
2009/8/6
Light quality and quantity of the environment, where lettuce seedlings were grown, affected the mesophyll tissue and the shoot formation in cotyledons excised and cultured in vitro. When cultured on M...
A Study on the Interspecific Variation of Spikelet Structure in the Genus Oryza
Anther cuticle Anther length Cultivated Rice Scanning electron microscope Spikelet
2009/8/5
The objectives of this study were to clarify the interspecific variation on (i) the structure of spikelet and reproductive organs, (ii) the relationship between the size of spikelets and the reproduct...
A Study of Some Agronomical Characteristics of Synthetic Varieties Obtained From Inbred Lines of Sunflower（Helianthus annuus L）
Agronomical Characteristics of Synthetic Varieties Inbred Lines of Sunflower（Helianthus annuus L）
2009/1/16
Some agronomical characteristics of newly improved synthetic sunflower varieties were investigated during the years 1994 and 1995 at Uludağ University, in the Faculty of Agriculture, Field-Crops ...
A Comparative Study of SSR Diversity in Chinese Major Rice Varieties Planted in 1950s and in the Recent Ten Years (1995-2004)
rice (Oryza sativa) major varieties simple sequence repeats
2008/12/11
Forty pairs of SSR markers were used to compare the genetic diversity changes in 151 Chinese major rice varieties planted in 1950s and in the recent ten years. Of 40 SSR loci, 39 were found to be poly...
Intra-plant variation for progress of cell division in developing oat grains: a preliminary study
Avena sativa L. cells pollination filling period naked oat position grain
2010/8/12
Development of an oat panicle proceeds from the uppermost terminal spikelet downward to the base of the panicle. The intra-panicle variation in development is likely to influence potential grain size....