雜穗 的英文怎麼說

中文拼音 [suì]
雜穗 英文
tailing
  • : Ⅰ形容詞(多種多樣的; 混雜的) miscellaneous; varied; sundry; mixed Ⅱ動詞(混合在一起; 攙雜) mix; blend; mingle
  • : 名詞1 (谷類花實結聚成的長條) the ear of grain; spike 2 (下垂的裝飾品) tassel; fringe3 (廣州...
  1. The characteristics of vascular bundle in the first internode and grain - filling of heavy panicle hybrid rice ( hphr ) were studied

    摘要對重交稻頸節間維管束特徵及其籽粒充實進行了研究。
  2. A preliminary study on morphologic breeding of northern large - panicle type super japonica hybrid rice

    北方大型超級交粳稻形態育種初探
  3. Abstract : the paper considers that the experiment of affect scion of prunus japonica thunb on stock of prunus armeniaca l. furnish fresh evidence for graft hybridization , and proposes the possible mechnism for production of tillering prunus japoniaca thunb according to recent achievements in plant molecular biology

    摘要本文認為「接郁李影響杏砧變異的實驗」為嫁接交研究提供了新的證據,並根據近年來植物分子生物學的有關研究成果,對蘗生郁李產生的原因進行了解釋。
  4. During wheat and barley bred in winter in sanya, some technological characteristics concerned must be wielded according to the ecological conditions there. 1 ) carefully select materials and avoid planting the materials that can not head in sanya. 2 ) cultivated measure : spread lime before ploughing ; and make furrows during soil preparation. spread funandan in sowing furrows. after every irrigation and heavy rains, surplus water must be drained off immediately and soil must be intertilled in time. it is also a key measure in breeding in winter to prevent and eliminate the plant disease, pest and mice during plant growing period. 3 ) the flowering period of parent for hybridization must be adjusted. 4 ) the criterion for each trait selection to breeding materials should be soften to different degrees

    在三亞冬繁麥類時,應根據當地生態條件掌握好有關技術特點:慎重挑選冬繁材料,盡量避免攜帶可能在三亞不抽的材料;栽培措施應注意耕翻前撒施石灰,整地需開廂起壠,播種溝先撒呋喃丹,灌水及大雨後要排除余水,及時鬆土,生育期間注意防治病蟲鼠害;交親本應注意調節花期;對育種材料各性狀的選擇標準都要不同程度地放寬。
  5. The genetic correlations of six agronomic characters in some indica - japonica crosses were analyzed using mixed - linear model method. the results indicated that there existed correlations to a certain degree among the measured traits. the phenotypic correlations of plant height with filled grain or seed setting were significant. panicle length with total grains or filled grain, total grains with filled grain or seed setting, and filled grain with seed setting were the same. for panicle length with plant height or seed setting, total grains with filled, and for filled grain with seed setting, genetic correlations were also significant. further analysis, the result showed that genetic correlations between the measured traits were mainly due to domimant effects. in addition, additive correlations were significant for grain weight with panicle length or total grains or filled grain, and for total grains with filled grain

    用混合線性模型方法對秈粳亞種間交組合農藝性狀的相關性進行了遺傳研究,結果表明:被測性狀之間大都存在一定程度的相關.其中,株高與實粒數、結實率,長與總粒數、實粒數,總粒數與實粒數和結實率,以及實粒數與結實率之間具有顯著的表型相關,總粒數與實粒數,實粒數與結實率,以及長與株高和結實率之間具有顯著的遺傳相關.進一步的分析表明,性狀之間的遺傳相關大多歸因於顯性效應,而粒重與長、總粒數和實粒數之間,以及總粒數與實粒數之間還具有極顯著的加性相關
  6. The results showed, compared with experimental common wheat, annong waxy 1 should be improved in plant - height, ear - length, 1000 - kernel weight by hybridism and back - cross, while the difference among protein content, ash content, wet gluten contents were not significant, but the waxy wheat grain hardness value was lower

    結果表明,與供試的普通小麥品種(系)相比較, 「安農糯1 」在株高、長和千粒重等農藝性狀上均不理想,需要通過交和回交等方式進一步改良;蛋白質含量、灰分、濕麵筋含量等變化不大。
  7. In order to select male nucleo - sterile new genotype, a tentative idea was put forward for the nucleo - male sterility to attach a tps ( thermo - photoperiod sensitivity ) and a selection strategy of combination of selection and identification, at the same time, the spring and summer sowing method were used to provide different environment conditions of appraising sterility and tps. the results indicated that ( 1 ) sterility could be appraised under the spring sowing environment and tps could be appraised under summer sowing environment. ( 2 ) under spring sowing environment, sterility could be selected, but not maintained. thereby, lines selected could only be selected as recorded selection method in the experiment. ( 3 ) and then, selection was carried out from spring sowing line selected into summer sowing in same line with tps to select plants. these plants through the intercrossing selection had been combined with sterility and tps. in this way, a new selection protocol for selection sterile line with tps was formed. it mainly involves the spring and summer sowing method, recorded selection method and the intercrossing selection method

    為了選育新類型玉米雄性核不育系,提出了為玉米核不育性添加溫光敏感性的設想和選擇與鑒定相結合的策略,同時應用分期播種的方法為作物提供不同的生長和發育的環境條件,以鑒定玉米雄的育性變化和對不同環境條件溫光的反應.研究結果表明,春播環境下可鑒定和選擇玉米的不育性,夏播環境下可鑒定和選擇其溫光敏感性.針對玉米核不育性難以找到保持系的特性,結合兩種播期選擇兩種性狀.但春播環境下選擇的不育性群體難以通過選擇單株來保持其不育性,為記錄性群體選擇.通過從春播入選的合不育性優良株系群體轉移到其對應的夏播溫光敏感性入選的同一優良群體中進行優良單株選擇,能逐漸使不育性和溫光敏感性相結合而選育出純合溫光敏不育系.這種新的選擇程序主要包括應用分期播種法、記錄性選擇法和春夏兩季交叉式選擇法,使含有不育基因的可育株系逐步累積不育基因並增加了溫光敏感性而育成玉米溫光敏不育系
  8. No matter hybrid rice or conventional rice varieties, erect and semi - erect panicle rice varieties were suitable for equal row spacing cultivation for intercepting mare light at canopy, while curved - panicle rice varieties were for wide - narrow row spacing cultivation for improving light intensities of middle and lower layer leaves

    但不同類型品種適宜的栽培方式不同:交稻適宜插單苗,而常規稻適宜插3苗;不論是交稻還是常規稻,直立型和半直立型品種適宜等行距栽培以減少群體漏光,彎曲型品種適宜寬窄行栽培以改善中下層葉片的光照條件。
  9. Studies on combining ability and heritability of 8 spike characters in indica hybrid rice

    交秈稻部性狀的配合力及遺傳力研究
  10. The results indicated that as the intensity of sward cleavage increased, elymus nutans and other plants that had high requirements in soil aeration and resource space presented an increased competitive edge and the species that had low requirements in soil aeration and resource space presented an opposite picture ; low - intensity sward cleavage could help increase species diversity to a certain extent, but the diversity index appeared to decline as a whole as the cleavage intensity increased ; the effects of sward cleavage on functional groups of the vegetations showed in such manner as e. nutans - represented grasses increased in their composition with the intensity of sward cleavage raised, and sedges and forbs decreased in their compositions with the intensity of sward cleavage raised ; sward cleavage showed a significant improving effect on primary productivity of the meadows and was capable of increasing the proportion of quality - grass biomass to the total plant biomass ; sward cleavage could be independently employed as an effective measure to rehabilitate and improve alpine - meadow grasslands and thus played a basic and key role in the technical combination aiming at establishing hay fields characterized by e. nutans

    結果表明:垂披堿草等對土壤通透性和資源空間要求較高的物種,競爭力隨劃破強度的增加而上升,而對土壤通透性和資源空間要求相對較低的物種則相反;輕度劃破干擾對提高物種豐富度具有一定的促進作用,但多樣性指數則總體上表現為隨劃破強度的增加而呈下降的趨勢;劃破干擾對植被功能群的影響表現為以垂披堿草為代表的禾草類組分隨干擾強度的增加而顯著上升,莎草類和類草組分隨干擾強度的增加而顯著下降;劃破干擾對草地初級生產力的提升具有顯著的促進作用,且可顯著增加植物總量中優質牧草的比重;劃破干擾可獨立作為高寒草甸類草地恢復與改良的有效措施,在定向培育垂披堿草型割草場的技術組合中具有核心和基礎性的地位。
  11. In the study, six different ecotype varieties of common wheat and f1 derived from 6 6 complete diallel crossing system were selected for the research on the characteristics and heterosis of spike differentiation. the results showed that heterosis existed in most key spike differentiation phases and varied with different ecotype varieties. heterosis of spike differentiation was positively correlated with heterosis of hybrid yield. finally, the author concluded that it was the best way to produce strong heterosis combination by selecting the mode of “ spring wheat winter wheat ” in huanghuai winter wheat region

    對6個不同生態類型小麥品種及其完全雙列交f1幼分化特點和分化種優勢的研究表明,種幼分化各主要時期普遍存在種優勢;不同生態類型組配方式的分化優勢不同;分化種優勢與產量種優勢具有一定相關關系;黃淮麥區交小麥最佳生態組配方式為春性品種冬性品種。
  12. The hphr not only has a larger sink but also possesses normal grain - filling, sink - filling, high seed - setting percentage and heavier panicles

    型組合交稻不僅庫容大,而且籽粒充實率、充實程度良好,結實率正常。
  13. The applying quantity of n, p and k fertilizations influence on economic characteristics of hybrid rape no

    型超高產交稻岡優527的選育與應用
  14. Study on different row rations of parents in relationship with yield in seed prouduction of heavy panicle hybrid rice

    交水稻制種親本不同行比與產量的關系研究
  15. The results also indicated that the breeding method of hphr is an effective measure for the super high - yielding rice breeding

    選育重交稻是水稻超高產育種的可行的技術途徑。
  16. ( 4 ) the results of qtl mapping indicated that the inheritance of yield traits was very complex, the explanation as follows : additive effects except for sterile spikelet number per spike ( ssns ), qtls of additive effects were tested for all other traits, with 10 qtls for 1000 grain weight ( kgw ). the large variance of the effect values and the contribution rate of qtls indicated that the effects are difference for different qtls

    14 。 ( 4 )通過對產量性狀qtls作圖,發現產量性狀的遺傳非常復,可以從4個方面說明:加性效應除不孕小數外,各性狀均檢測到了表現加性效應的qtls 。其中,在各環境聯合分析下,檢測到了10個千粒重qtls ,各qtls的加性效應值和對群體變異的貢獻率也存在很大差異,說明不同的qtls不是等效的。
  17. We propose that genetic materials in rootstock being translocated and integrated into the genome of the germ cells and embryonic cells in scion are the main reasons why the majority of the hybrid seedlings have wild properties and the heredity of fruit trees violate mendel ' s laws of heredity

    砧木中的遺傳物質轉移並整合到接生殖細胞和胚胎細胞的染色體組中,是種後代出現大量野生植株和果樹遺傳不遵守孟德爾定律的主要原因。
  18. Breeding of big ear type corn hybrid yudan 101 with good quality and high yield

    優質高產大型玉米交種豫單101的選育
  19. Studies on the utilization potential of two somatic hybrid rootstocks and the biochemical mechanism of rootstock - scion interaction

    兩種柑橘體細胞種砧木利用價值和砧互作生化機制的探討
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