搜索结果: 1-10 共查到“作物学 frequency”相关记录10条 . 查询时间(0.109 秒)
The effect of different antibiotics on the elimination of Agrobacterium and high frequency Agrobacterium-mediated transformation of indica rice (Oryza sativa L.)
Agrobacterium-mediated transformation Agrobacterium elimination gus reporter gene hygromycin phosphotransferase selectable marker gene (hpt) rice
font style='font-size:12px;'>
2014/2/25
We report here the suitable explant with high efficiency of transformation and the positive effects of timentin over other antibiotics like carbenicillin and cefotaxime on the elimination of Agrobacte...
Ultrastructure of Inoculated Anthers in Relation to the Frequency of Induction of Pollen Callus in Anther Culture of Oryza sativa L
Anther Culture Oryza sativa L Rice Ultrastructure
font style='font-size:12px;'>
2009/8/6
The formation of pollen callus was induced when rice anthers, which contained microspores in the mid-uninucleate and late-uninucleate stage, were cultured. The ultrastructure of the microspores was al...
Relation between Leaf Gas Exchange Rate and Stomata:I. Stomatal frequency and guard cell length in C3 and C4 grass species
C3 and C4 Photosynthesis Gramineae Guard cell length Rice plants
font style='font-size:12px;'>
2009/7/28
We measured stomatal frequency and guard cell length in the Gramineae and compared these components among the photosynthetic types and/or the subfamilies. The mean stomatal frequency of the Eragrostoi...
Varietal Difference in the Frequency of Two Growth Types Existing within a Pure-line Variety of Rice
Growth type Number of leaves Ratio of two growth types Rice Variation within a pure-line variety
font style='font-size:12px;'>
2009/7/7
Although some genetically homozygous rice varieties have two distinct growth types with different leaf numbers (N, N + 1) on the main culm, this phenomenon has not been deeply investigat...
REACTION OF SPRING BARLEY AND OATS MIXTURE TO DIFFERENT FORECROPS AND FREQUENCY OF CULTIVATION IN CROP ROTATION PART II. MASS AND QUALITY OF HARVEST RESIDUE
spring barley oats cereal mixture mass chemical composition and quality of harvest residue
font style='font-size:12px;'>
2009/3/30
Harvest residue of spring barley and oats cultivated in two-component mixture and in monoculture in an experiment carried out on medium soil during the years 1998-2000 was examined. The mass of resid...
REACTION OF SPRING BARLEY AND OATS MIXTURE TO DIFFERENT FORECROPS AND FREQUENCY OF CULTIVATION IN CROP ROTATION PART I. YIELD AND YIELD STRUCTURE
cereal mixture spring barley oats crop rotation
font style='font-size:12px;'>
2009/3/30
In 1990-2000 an experiment on average soil investigated the response of cereal mixture of spring barley and oats (50% each) and these cereals separately in pure stand to different crop-rotation posit...
Studies on the species, density, frequency and sociability of sunflower weeds in Erzurum
species density frequency sociability of sunflower weeds Erzurum
font style='font-size:12px;'>
2009/1/22
This study was carried out in order to determine the species, density, frequency and sociability of weeds in sunflower in Pasinler and Köprüköy districts of Erzurum in 1990 and 1995. In the...
The Effect of Cuting Frequency and Height on The Hay Yield and Some Chemical Characteristics of Hay in Diploid and Tetraploid Perennial Rye（Secale montanum Guss）
Cuting Frequency Height Hay Yield Chemical Characteristics Diploid Tetraploid Perennial Rye
font style='font-size:12px;'>
2009/1/15
This study was carried out under greenhouse conditions from March 1995 to August 1996. The effects of cutting frequency and height on hay yield and quality were investigated. In this research, 2 ploi...
Cotton Mote Frequency Under Rainfed and Irrigated Conditions
Cotton Mote Frequency Rainfed and Irrigated Conditions
font style='font-size:12px;'>
2008/12/15
Short-fiber motes in cotton (Gossypium hirsutum L.), which have fibers shorter than one-half the length of the fibers on normal seeds, are either unfertilized ovules or underdeveloped seeds in which e...
Increasing Reversal Frequency in Gossypium hirsutum L. 'MD51' through Exogenous Application of Plant Hormones
Increasing Reversal Frequency Gossypium hirsutum L. 'MD51' Exogenous Application Plant Hormones
font style='font-size:12px;'>
2008/12/15
Reversal points in cotton fibers may compromise fiber strength by generating regions of wall weakness. When viewed with polarized light, two types of reversals are observed: S and Z. This study invest...