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Germination and Vigor Index of Different Sources of Pongamia pinnata (L.) Pierre 不同来源山蓬草发芽及活力指数的研究皮埃尔
Pub Date : 2017-06-15 DOI: 10.15740/HAS/IJFCI/8.1/8-11
H. Patil, S. M. Mutanal, M. Mokashi, S. Ghatanatti
The study on germination of different sources of Pongamia pinnata was carried out in the nursery of the Department of Farm Forestry at Main Agricultural Research Station, University of Agricultural Sciences, Dharwad during the year 2015. The nine Pongamia sources were received from Mahatma Phule Krishi Vidyapeeth (MPKV), Rahuri, Maharashtra for multilocation trial and were evaluated under nursery for vigour and germination percentage. The seeds were measured for its width, bredth, thickness, test weight. Variation in intial parmaters viz., germination per cent, vigour index, roots and shoot length were significantly higher among the Pongamia sources of RAK-7, RAK-10 and RAK-2 as compared to other sources tested.
2015年,在达尔瓦德农业科学大学农业研究站农林系苗圃对不同来源的小绒蓬种子萌发进行了研究。从马哈拉施特拉邦Rahuri的Mahatma Phule Krishi Vidyapeeth (MPKV)处获得9份Pongamia源,进行多地点试验,并在苗圃下对其活力和发芽率进行了评价。测量种子的宽度、宽度、厚度和试验重量。在初始参数,即发芽率、活力指数、根和茎长等方面,与其他试验源相比,rak7、rak10和rak2的蓬草源差异显著。
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引用次数: 3
Estimation of Variability and Genetic Parameters for Nut Characters (Weight, Diameter and Length) in the Seedling Raised Natural Walnut ( Juglans regia L.) Population in the Kashmir Valley 育苗天然核桃(Juglans regia L.)果实性状(重量、直径和长度)的变异及遗传参数估计克什米尔山谷的人口
Pub Date : 2017-06-15 DOI: 10.15740/HAS/IJFCI/8.1/12-16
I. Lone
The present investigation entitled estimation of variability and genetic parameters for nut characters (weight, diameter and length) in the seedling raised natural walnut ( Juglans regia L.) population in the Kashmir valley was carried out in order to document the available genetic variability in walnut germplasm and to select elite walnut genotypes possessing superior attributes and quality traits. During the survey, data was recorded on one hundred fifty two (152) walnut trees growing in different areas of Kashmir valley. Remarkable variability was observed in seedling walnut trees for different morphological, nut and kernel characters. Similarly, variations were also reported for other characters viz., tree vigour, growth habit, branching habit, leaflet shape, shoot colour, nut shape, shell texture, shell colour, shell seal, shell strength, shell integrity, kernel shrivel and kernel colour. studied the nut length varied from 30.0-60.0 mm with a population mean of 55.62 ± 3.28mm. The phenotypic and genotypic variance was 605.14 and 427.56, corresponding to their co-efficients of variation to the extent of 44.25 and 37.17 per cent, respectively. Heritability (broad sense) and expected gain (% of the mean) was 70.65 per cent and 64.36, respectively. Nut weight revealed a population mean of 14.48 ± 2.54 g with a range of 8.50-30.0 g. The phenotypic (18.785) and genotypic (12.760) variance when translated into their respective co-efficients of variation gave the estimate of 27.98 and 23.02 per cent, respectively. Broad sense heritability was 67.9 per cent and expected genetic gain (% of the mean) as 39.15.
本研究对克什米尔山谷天然核桃(Juglans regia L.)苗养群体果实性状(重量、直径和长度)的变异和遗传参数进行了估计,目的是记录核桃种质资源的遗传变异,筛选具有优良性状和品质性状的优良核桃基因型。在调查期间,记录了在克什米尔山谷不同地区生长的152棵核桃树的数据。核桃树苗木在形态、果仁和籽粒性状上存在显著差异。其他性状如树势、生长习性、分枝习性、小叶形状、芽色、坚果形状、壳质地、壳色、壳封度、壳强度、壳完整性、仁皱度和仁色也有类似的变异。研究结果表明,坚果长度在30.0 ~ 60.0 mm之间,种群平均为55.62±3.28mm。表型和基因型方差分别为605.14和427.56,变异系数分别为44.25%和37.17%。遗传率(广义)和预期增益(占平均值的百分比)分别为70.65%和64.36%。种群平均坚果重量为14.48±2.54 g,范围为8.50 ~ 30.0 g。表型(18.785)和基因型(12.760)变异系数分别为27.98%和23.02%。广义遗传率为67.9%,预期遗传增益(占平均值的百分比)为39.15%。
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引用次数: 1
Weed management practices in Zaid urdbean under different sowing dates 不同播期下扎伊德地区杂草管理实践
Pub Date : 2017-06-15 DOI: 10.15740/HAS/IJFCI/8.1/62-67
H. Meena, B. Kumhar
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引用次数: 1
Morphological Characterization and Identification of Populus deltoides Bartr. Crosses 三角杨的形态特征与鉴定。十字架
Pub Date : 2017-06-15 DOI: 10.15740/HAS/IJFCI/8.1/24-29
S. Dobhal, S. Thakur, Raj Kumar
Leaves are of fundamental importance to plants, representing their facility to generate power and are the sensing units of plants towards the environment. In this study, an attempt was made to characterize and compare the variations of leaf, stem and petiole morphology of various Populus deltoides Bartr. crosses. In order to achieve these objectives, twelve crosses of P. deltoides Bartr. were evaluated for different parameters. On the basis of various morphological characteristics the results revealed that each cross has a distinct color pattern of leaves. Different colors observed in these crosses varied from yellow green to green. Distinct nature of the stem altitude was found. Anthocyanin distribution of leaves was also found. In this study, the morphological traits of leaves and petiole provided discriminatory grounds for separating various populations of P. deltoides Bartr. crosses. Character of stem studies indicates that different crosses vary considerably with regard to shape, colour and nature.
叶子对植物来说是至关重要的,它代表着植物发电的能力,是植物对环境的感知单元。本研究对不同品种三角杨叶、茎和叶柄的形态变化进行了表征和比较。十字架。为了达到这些目的,对12个三角木杂交进行了研究。对不同的参数进行评估。在各种形态特征的基础上,结果表明,每个杂交都有独特的叶片颜色图案。在这些杂交中观察到的不同颜色从黄绿色到绿色不等。发现茎高度具有明显的特性。叶片中花青素也有分布。在本研究中,叶片和叶柄的形态特征为三角木不同居群的区分提供了依据。十字架。茎部性状研究表明,不同的杂交品种在形状、颜色和性质上差异很大。
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引用次数: 1
Performance of inter specific cotton hybrids under various plant geometries and nutrient levels 不同植株几何形状和营养水平下种间棉花杂交种的表现
Pub Date : 2017-06-15 DOI: 10.15740/has/ijfci/8.1/49-52
H. Meena, B. Kumhar
Cotton is known as white gold and queen of fibers. It is an important cash crop of global significance which plays a dominant role in world agriculture and industrial economy. India is important grower of cotton on a global scale. The cotton productivity in 2016-17 has 568 kg/ha with an area of 105 lakh ha and production 351 lakh bales each 170 kg [1]. Plant geometry is having greater importance in cotton cultivation. Bt cotton crop may be producing excessive vegetative growth at wider plant geometry and excessive reproductive growth at close plant geometry. However, numerically lower monopodial with closer plant geometry and lower sympodial with wider plant geometry were observed indicating more period under vegetative growth with wider spacing [2]. Closer plant geometry also recorded higher seed cotton yields [3]. Cultivar selection, a key management component in any cropping system, is even more critical in various crop geometry of cotton production. While high yield potential is a predominant consideration, maturity, plant size, the transgenic present, and fiber properties are also major factors to consider [4]. The maximum exploitation of these genotypes can be achieved only after determining their optimum planting densities in comparison to recommended cotton varieties. In general, it was observed that lower plant densities produces high values of growth and yield attributes per plant, but yield per unit area was higher with higher plant densities [5]. The reasons for decreasing productivity are due to decreasing soil fertility especially micronutrients, imbalanced use of fertilizer and occurrences of physiological disorders like square dropping, square drying, leaf reddening etc. Among these, imbalanced use of major and micro nutrients is the major problem [6]. To overcome these constraints, additional nutrition through foliar feeding is required over and above the normal fertilizer recommendation. This is one of the most efficient ways of supplying essential nutrients to a growing crop. Newly released, high yielding transgenic cotton cultivars are said to have a higher nutrient demand during the boll development period (between flowering and maturity) due to their higher boll retention rate and larger boll load than conventional cultivars [7].
棉花被称为“白金”和“纤维女王”。它是一种具有全球意义的重要经济作物,在世界农业和工业经济中占有主导地位。印度是全球重要的棉花生产国。2016-17年度棉花产量为568公斤/公顷,面积为105万公顷,产量为351万包/公顷,每170公斤[1]。植物的几何形状在棉花种植中具有更大的重要性。Bt棉花可能在较宽的植株几何上产生过度的营养生长,在较近的植株几何上产生过度的生殖生长。然而,在数值上,较低的单轴与较近的植株几何形状,以及较低的合轴与较宽的植株几何形状,表明在较宽的间距下,营养生长的周期更长[2]。紧凑的植株几何形状也记录了更高的籽棉产量[3]。品种选择是任何种植制度的关键管理组成部分,在棉花生产的各种作物形态中更为关键。虽然高产潜力是主要考虑因素,但成熟度、植株大小、转基因植株和纤维特性也是需要考虑的主要因素[4]。只有在确定了这些基因型与推荐棉花品种的最佳种植密度之后,才能实现对这些基因型的最大利用。总的来说,我们观察到,较低的植物密度会产生较高的单株生长和产量属性值,但随着植物密度的增加,单位面积产量也会增加[5]。生产力下降的原因主要是土壤肥力特别是微量元素的下降、肥料施用不平衡以及方形掉落、方形干燥、叶片变红等生理失调现象的发生。其中,主要问题是主微量营养素的利用不平衡[6]。为了克服这些限制,需要在正常施肥建议的基础上,通过叶面施肥提供额外的营养。这是向生长中的作物提供必需营养的最有效的方法之一。新发布的高产转基因棉花品种在棉铃发育期间(开花至成熟之间)的营养需求更高,因为它们的保铃率更高,铃负荷也比常规品种大[7]。
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引用次数: 1
Relative performance of grass, cowpea varieties and row ratios on growth, productivity and economics of fodder crops 草、豇豆品种和行比对饲料作物生长、生产力和经济性的相对表现
Pub Date : 2017-06-15 DOI: 10.15740/has/ijfci/8.1/1-7
M. Anita, S. Lakshmi
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引用次数: 0
Diversity for branching habit in the natural population of walnut (Juglans regia L.) in the Kashmir valley 克什米尔谷地核桃自然种群分枝习性的多样性
Pub Date : 2017-06-15 DOI: 10.15740/HAS/IJFCI/8.1/34-37
I. Lone
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引用次数: 0
Diversity for tree vigour in the natural population of walnut (Juglans regia L.) in the Kashmir valley 克什米尔谷地核桃自然种群的树活力多样性
Pub Date : 2017-06-15 DOI: 10.15740/has/ijfci/8.1/53-57
I. Lone
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引用次数: 2
Role of farmers knowledge, experience and decision making at farm level agroforestry: why do farmers adopt agroforestry or not? 农民知识、经验和决策在农林业中的作用:农民为什么采用农林业?
Pub Date : 2017-06-15 DOI: 10.15740/has/ijfci/8.1/41-48
Himshikha Himshikha, Charan Singh
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引用次数: 0
Growth and Productivity of Melia Dubia Under Different Plant Density 不同密度下杜鹃的生长和生产力
Pub Date : 2017-06-15 DOI: 10.15740/HAS/IJFCI/8.1/30-33
H. Patil, G. Kirankumar, S. M. Mutanal
Different density experiment was conducted to know the effect on growth and productivity of Melia dubia . The trial was laid out with different spacing regimen as per statistical design. The growth observations were recorded at different intervals of time viz., 42, 45, 48 and 51 months after planting. The results revealed significant difference among different planting densities and maximum was recorded in planting density of 714 trees/ha (46.85 cm, 10.59 m; 50.14 cm, 10.99 m; 52.99 cm,11.22 m and 55.76 cm,11.43 m) for both girth (cm) and height (m), respectively for all the time interval. However, the total stand volume (m 3 /ha) in all the time interval was significantly superior in case of planting density of 2500 trees/ha (125.00 m 3 /ha, 148.33 m 3 /ha, 165.83 m 3 /ha and 189.25 m 3 /ha). Based on the results of the present experiment it is concluded that, the planting density of 2500 trees/ha exhibited significant stand volume compare to other planting density. These findings have significant relevance to get maximum productivity under monoculture block plantation system.
通过不同密度试验,了解不同密度对杜鹃生长和产量的影响。按照统计学设计,采用不同间距方案进行试验。分别在种植后42、45、48和51个月的不同时间间隔记录生长情况。结果表明:不同种植密度间差异显著,最高种植密度为714棵/ha (46.85 cm, 10.59 m;50.14厘米,10.99米;周长(cm)和高度(m)分别为52.99 cm、11.22 m和55.76 cm、11.43 m。然而,当种植密度为2500株/ha (125.00 m 3 /ha、148.33 m 3 /ha、165.83 m 3 /ha和189.25 m 3 /ha)时,各时段的林分积(m 3 /ha)均显著优于其他林地。试验结果表明,2500株/ha的林分蓄积量显著高于其他密度。这些研究结果对单作块植制下获得最大生产力具有重要意义。
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引用次数: 6
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INTERNATIONAL JOURNAL OF FORESTRY AND CROP IMPROVEMENT
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