The main results were as follows: 1.After being radiated with 60 Co-γ, seven types of mutated plants were obtained through morphologic observation on the aftergrowth of the regeneration plantlets. The mutation characters included the purple leaf vein and petiole, the spotted leaf, the strumae leaf, the acerose leaf, the tender stem, the leaf shape variation, and the leaf color variation.

通過(guò)60 Co-γ射線誘變處理后的再生植株試管苗階段的形態(tài)學(xué)觀察，共獲包括紫色葉柄九九国产色视频、斑葉、瘤狀葉片、細(xì)長(zhǎng)葉片人人专区人人免费、莖桿細(xì)小、葉型變異、葉色變異的7種不同類(lèi)型的變異植株美国一级视频。

Reported diseases include crown gall, bacterial wilt, little-leaf, seedling blight, angular leaf spot, leaf spot, brown spot, leaf rust, grey mold, shoot blight, stem canker, and butt rot. Several non-infectious diseases including the leaf red spot, gummosis, herbicide in jury, typhoon damage and genetic albinism and an unidentified leaf crinkle disease are also described.

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The study was supported by National Nature Science Foundation of China of ""Biological foundation study of electrical indexes assessing tree vigor"". The mechanism of tree's leaf and stem capacitance and the application of electrical indexes under environmental stresses were studied. The main conclusions are summarized as following:(1) The leaf capacitance had significant positive correlations with leaf exosmosis electro conductivity, exosmosis percentage and leaf absolute moisture content, had significant negative correlations with leaf electrolyte electro conductivity and had no correlations with leaf relative water content.

本研究在國(guó)家自然科學(xué)基金"林木健康狀況評(píng)價(jià)的電指標(biāo)生物學(xué)基礎(chǔ)"的支持下，對(duì)樹(shù)體葉片電容和樹(shù)體干部電容的機(jī)理及外界脅迫因素作用對(duì)樹(shù)體電指標(biāo)的影響進(jìn)行了初步研究亚洲天堂在线观看免费，研究的主要結(jié)論包括：(1)樹(shù)木葉片電容與單位質(zhì)量葉片離子外滲液電導(dǎo)率亚洲欧美综合在线天堂、葉片細(xì)胞離子外滲百分率及葉片絕對(duì)含水率呈顯著的正相關(guān)關(guān)系，與單位質(zhì)量葉片總電導(dǎo)率呈顯著的負(fù)相關(guān)關(guān)系卡通动漫综合图区第1页，與葉片相對(duì)含水率的相關(guān)性不顯著大黄色视频试看60秒毛片。

The contents of N, P, K in leaves were examined by regular leaf analysis. The results showed that the N content was higher in leaf blade than in leafstalk. N content in leaf was gradually reduced along with the vine growth. N, F, K fertilized at 20 to 40 cm soil layers significantly increased N content in leaf. But N content in leafstalk was less affected by N fertilization depth and growing season. P content was higher in leafstalk than in leaf blade. Less change of P content was noticed in leaf along with vine growth. However, N, P, K fertilized at 40 to 60 cm soil layers significantly promoted P in both leaf blade and leafstalk. K content in leafstalk was much higher than in leaf Wade. No obvious influence was noticed by fertilizing depth. But K content in leafstalk was significantly increased due to applied K fertilizer in late growing season.

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Based on leaf area measurement experiments on six main cultivars Strawberry in southern of Jiangsu province, using DPS data processing system to analyze the relationship between "leaf length - leaf width - leaf area", and getting to regression equations of these six kinds of strawberry on "leaf length × leaf width" and on leaf area; and setting up a common regression equation through combination of data.

本文基于對(duì)江蘇南部6個(gè)草莓主栽品種葉面積的測(cè)量試驗(yàn)婷婷国产精品视频综合，用DPS數(shù)據(jù)處理系統(tǒng)對(duì)其"葉長(zhǎng)-葉寬-葉面積"之間的回歸關(guān)系進(jìn)行分析精品人妻无码专区在线中文字幕，得出這6個(gè)草莓品種的葉長(zhǎng)×葉寬與葉面積回歸方程；并經(jīng)過(guò)數(shù)據(jù)合并建立了一個(gè)通用的回歸方程。

Based on leaf area measurement experiments on six main cultivars Strawberry in southern of Jiangsu province, using DPS data processing system to analyze the relationship between "leaf length-leaf width-leaf area", and getting to regression equations of these six kinds of strawberry on "leaf length × leaf width" and on leaf area; and setting up a common regression equation through combination of data.

基于對(duì)江蘇南部6個(gè)草莓主栽品種葉面積的測(cè)量試驗(yàn)另类A片，用DPS數(shù)據(jù)處理系統(tǒng)對(duì)其"葉長(zhǎng)－葉寬－葉面積"之間的回歸關(guān)系進(jìn)行分析www.人人操人人操麻豆，得出這6個(gè)草莓品種的葉長(zhǎng)×葉寬與葉面積回歸方程；并經(jīng)過(guò)數(shù)據(jù)合并建立了一個(gè)通用的回歸方程性欧美videos。

With the increasing of soil moisture,the individual leaf area,the leaf dried mass per seedling,the leaf fresh mass per seedling and leaf area per leaf dried massincreased,but the leaf thickness and succulence degree decreared;The content of leaf chlorophyll was sensitive to soil moisture,under 5 kinds of different soil moisture status and the content of leaf chlorophyll was ...

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The green stem, big leaf, few branch, mauve flower type and the purple stem, big leaf, few branch, purple flower type were classified into one class. The green stem, small leaf, multibranch, mauve flower type, the green stem, big leaf, multibranch, purple flower type, the green stem, small leaf, multibranch, mauve flower type, and the purple stem, small leaf, multibranch, purple flower type were classified into another class.Conclusion The artificially cultivated S.

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As compared with the traditional irrigation-traditional fertilization, the following results of the improved optimized irrigation-optimized fertilization were obtained: significantly higher nitrogen use efficiency; the like tiller number per unit area, percentage of the tiller ear number/the tiller number, the ear number per unit area, the greatly reduced grain number per ear, and significantly heavier weight of 1, 000 grains; a trifle taller plants; shorter base internode length, a bit more weight per unit internode length, longer internode length under ear; almost the same LAI values in middle and later stages; coincident process of dry matter accumulation from straight growth onwards, a little more dry matter accumulation amount from earing to maturity; a little longer flag leaf, 2〓 leaf, 3〓 leaf (but the three leaves were shorter than those of the optimized irrigation-traditional fertilization) and shorter 4〓 leaf from top, a bit reduced total area of these leaves; almost the same leaf thickness, mean canopy leaf tilt angle, light extinction coefficient , ratio of light penetration in the upper, middle and lower parts of the wheat canopy, and fair plant type; almost the same senescence process of flag leaf; and increased root amount in 0-120cm soil layer and smaller rate of progressive decrease of the root length density and root weight density with soil getting deep, which can strengthen the resistance to adverse conditions such as water stress in the later stage.

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In percentage of the tiller ear number/the tiller number, the increased ear number per unit area, the like grain number per ear and weight of 1, 000 grains; a bit shorter plants; almost the same base internode length, weight per unit internode length, internode length under ear, LAI values in middle and later stages, process of dry matter accumulation from straight growth onwards, dry matter accumulation amount from earing to maturity, length of flag leaf, 2〓 leaf, 3〓 leaf and 4〓 leaf from top and total area of these leaves, leaf thickness, mean canopy leaf tilt angle, light extinction coefficient , ratio of light penetration in the upper, middle and lower parts of the wheat canopy, and fair plant type; almost the same senescence process of flag leaf; and slightly increased root amount in 0-120cm soil layer and reduced root amount in 90-120cm soil layer; the optimized irrigation-optimized fertilization with crop residues improved the growth and development of the winter-wheat.

秸稈還田有利于改善冬小麥的生育狀況日本黄巴网站在线观看一二区。