搜索结果: 1-6 共查到“农学 Lactuca sativa L.”相关记录6条 . 查询时间(0.072 秒)
Nutrients content and yield in selected cultivars of leaf lettuce (Lactuca sativa L. var. crispa)
leaf lettuce (Lactuca sativa L. var. crispa) cultivars nutrients
2015/1/24
Five cultivars of leaf lettuce (Lactuca sativa L. var. crispa) – Bergamo, Dubáček, Frisby, Lollo Rossa and Redin – were evaluated in two-year experiments carried out at the Faculty of Horticultur...
Description of morphological characters of lettuce (Lactuca sativa L.) genetic resources
biology characterization descriptors gene bank collections gene pool germplasm conservation morphotypes origin regeneration resistance taxonomy variability
2015/1/24
Lettuce (Lactuca sativa) is the most important crop in the group of leafy vegetables. It is characterized by considerable morphological and genetic variation. The crop comprises seven main groups of c...
Effect of hydration treatments on seed parameters of different lettuce (Lactuca sativa L.) seed lots
lettuce seed treatment prehydration osmotic priming germination
2015/1/20
The influence of hydration treatments on seed parameters of lettuce seed lots with different initial quality was investigated. Nine seed lots were treated by prehydration (for 3, 6, 12 and 24 hours) a...
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...
Nodal Culture of Flower Stalk of Lettuce,Lactuca sativa and L.serriola
‘Bronze’ × Lactuca serriola secondary flower stem shoot formation tetraploid lettuce
2009/7/6
Nodal culture of flower stalk was carried out to maintain the breeding line of lettuce. The flower buds of lettuce and its interspecific hybrids with Lactuca serriola and tetraploid lettuce were initi...
Metabolism of Tolclofos-methyl in Lettuce（Lactuca sativa）
tolclofos-methyl metabolism in lettuce Lactuca sativa malonylglucose conjugate
2009/3/7
The metabolic fate of tolclofos-methyl labeled with 14C at the phenyl ring was studied in greenhouse-grown lettuce after a single application to leaves at two different rates (75 and 750 g a.i./ha)....