praecox 中文意思是什麼

( 4 ) fluorescent investigation shows that pollen started to germinate about 20 hours later after deposited on the stigmas, only 1 or 2 pollen tubes can penetrate ovary to micropylar end on the fifth day. callose plugs evenly formed in the pollen tube, and sometimes callus deposited randomly along pollen tube wall and even the whole tube wall. ( 5 ) 16 species of insects visited c. praecox in nanjing, belonging to hymenoptera, diptera, coleoptera, thysanoptera and spiders ( arachnoidea ) ; apis cerana cerana fabricius, aldrichina grahami ( aldrich ), epistrophe balteata de gee, musca hervei villeneuve are its main efficient pollinators

（ 5 ）南京地區蠟梅的訪問昆蟲約16種，分屬膜翅目hymenoptera 、雙翅目diptera 、鞘翅目coleoptera ，纓翅目thysanoptera 、及蛛形綱arachnoidea ，主要傳粉昆蟲有4種：膜翅目蜜蜂科東方蜜蜂中華亞種apisceranaceranafabricius 、雙翅目蠅科muscidae黑邊家蠅muscaherveivillcneuve 、麗蠅科calliphoridae巨尾阿麗蠅aldrichinagrahami （ aldrich ）及食蚜蠅科syrphidae黑帶食蚜蠅epistrophebalteatadegeer ；亮葉蠟梅的訪問昆蟲約18種，分屬鞘翅目coleoptera 、半翅目hemiptera 、纓翅目thysanoptera 、膜翅目hymenoptera 、雙翅目diptera 、鱗翅目lepidoptera ，另外有蛛形綱arachnoidea的蠟橄ch儷ononthuspr口ecox （ l

A study on sustainable high - yield of phyllostachys praecox by ground covering

雷竹林覆蓋栽培持續高產的研究

Niche of chimonanthus praecox in northwestern hunan province

湘西北蠟梅的生態位

We compared the pollination characteristics of c. praecox and that of c. nitens. the results are as follows : ( 1 ) the main variation of c. praecox exists in the floral morphological characteristics, including the variation of the color of the interior perianth segments, the color and shape of the middle perianth segments, the number of pistils and stamens, the length of pistils and degradation of stamens, the floral shape and size, etc. c. praecox ' s florescence is from november to next march, mainly from december to next february

實驗結果表明： （ 1 ）蠟梅變異主要存在於花部性狀，這些性狀包括內被片顏色、中被片顏色和形狀、雌雄蕊數目、雌雄蕊變異、花型、花徑等，在南京地區，蠟梅的花期從11月到翌年3月，主要集中在12月到翌年2月之間，早花期品種和晚花品種較少。

Preliminary study on seed breeding of phyllostachys praecox

雷竹人工制種技術的初步研究

Clinical observation on the treatment of ejaculatio praecox by vacuum aspiration and soaking with chinese crude drugs

養陰清熱法在治療婦產科疾病中的臨床應用

Study on nutrition dynamic of phyllostachys praecox cv. prevernalis during flowering period

雷竹花期激素動態及其與開花相關性研究

Effect of intensive cultivation on the carbon pool of soil in phyllostachys praecox stands

雷竹高效栽培措施對土壤碳庫的影響

The paper summarizes the latest research advances in chimonanthus praecox ( l. ) link community ecology in terms of community distribution and environment, flora composition, appearance and structure, population structure, and physiological and ecological factors, points out some currently - existing research problems, and puts forwards some research priorities and orientations

摘要本文從群落分佈與群落環境，區系組成、外貌和結構，種群結構及生理生態學等方面綜述了蠟梅群落生態學研究的最新進展，指出了現今研究中存在的一些問題，提出了今後研究的若干重點領域和方向。

Link ( calycanthaceae ), is a deciduous shrub or small tree, and an endemic plant of china. compared with other species whose florescence is earlier than its, blooming in winter, c. praecox is special in its pollination time and process

蠟梅chimonanthuspraecox （ l . ） link為蠟梅科calycanthaceae蠟梅屬植物，冬季開花，與絕大多數春季至秋季開花植物相比，其傳粉時間和過程具有一定的特殊性。

( 3 ) the value of p / 0 of c. praecox is 2847. 3 + 1125. 0, and the total value of oci is 3. with the above results, pollen germination rate and seed set rate, all shows that breeding system of c. praecox is facultative hybridization. the breeding system of c. nitens is similar to c. praecox, but it is higher in proportion of self - pollination than that of c. praecox

（ 3 ）蠟梅p / 0值為2847 . 3 1125 . 0 、 oci累計分值等於3 ，與不同處理的花粉萌發率和結實率的結果一樣，都顯示蠟梅繁育系統為兼性異交類型；亮葉蠟梅繁育系統同蠟梅相似，但亮葉蠟梅的自交比例相對較高

This paper firstly focused on and evaluated the pollination characteristics of c. praecox, in half - natural habitat of nanjing. we investigated flowering phenology, flowering patten, pollen viability, stigma receptibility, species of visitors, visiting rate of visitors and their foraging behavior. and we also investigated its breeding system, including pollen - ovule ratio ( p / 0 ), out - crossing index ( oci ), pollen grains deposited in stigmas, pollen germination rate and seed set rate with different treatments, from 2002 to 2004

試驗分別在2002 - 2003年和2003 - 2004年冬季進行，研究內容包括：花期物候觀察、花部形態觀察和統計、雌雄配子體功能測定、訪問昆蟲種類、訪問行為、訪花頻率和效率；同時對蠟梅繁育系統進行了檢測，檢測內容包括花粉胚珠比（ p / 0 ） 、雜交指數（ oci ）及不同處理花粉萌發率及結實率檢測等等，同時還進行了蠟梅與亮葉蠟梅傳粉過程比較。

In this paper, 4 types of vegetation ( broad - leaved, masson pine, chinese fir and phyllostachy pubescens ), which are widely distributed in subtropical area of southern china, were selected to investigate cotent and spatia - temporal, characteristic of wsoc. two kinds of bamboo { phyllostachy pubescens and phyllostachys praecox ) were used to test the effects of intensive management on soil loc

本文採用野外調研和定位試驗相結合的方法，比較研究了亞熱帶具代表性的常綠闊葉林、馬尾松林、杉木林和毛竹林四種森林類型土壤活性有機碳的含量、空間變異、年動態變化規律及其與土壤其他肥力指標的關系。

The main visiting insects of c. nitens in nanjng are beetles. because beetles originated earlier than bees and flies, so in this aspect c. praecox is more evolutional than c. nitens

） link ）的傳粉生物學研究蜘蛛，主要傳粉昆蟲為鞘翅目的藍色九節跳甲入乞刀少偽朋。

Its chronic course with deteriorating consequences has been the focus of fundamental kraepelinian theory of “ dementia praecox ” to biological correlates and explanation

本論文回顧精神分裂病觀念之改變，從傳統克貝林所提供之早發性癡呆理論至目前分子生物醫學的研究發現與假說。

Insects visited c. praecox only in the sunny days and when the highest temperature of day is higher than 10c, their visiting time is from 10 : 00 to 14 : 00 in a day, and its peak is from 12 : 00 to 13 : 00

昆蟲訪問蠟梅出現在最高氣溫超過10的晴朗天氣，一天中昆蟲訪問時間有限，出現在10 : 00一14 :的之間， 12 : 00一13 : 。 o為昆蟲活動高峰

A great number of and sweet scent of flower of c. praecox are attractants, and pollen grains and nectar of it are rewards to vistors. ( 2 ) pollen viability of different varieties of c. praecox are distinctly different

（ 2 ）不同品種蠟梅的花粉活力存在明顯區別，室溫條件下花粉活力能保持15 - 20d ，冷藏條件下（ 4 2 ）能保存2個月左右；柱頭的可受期約5d 。

Study on changes of endogenous in flowering stage of phyllostachys praecox

新造紅竹林地下結構年際變化規律初步研究

Study on afforestation technology by lateral branch cutting of phyllostachys praecox

雷竹側枝育苗造林技術試驗研究

Dynamic changes of endophytohormones in rhizomal buds of phyllostachys praecox

雷竹地下鞭側芽內源激素的動態變化研究