cotton boll 中文意思是什麼

cotton boll 解釋
蕾鈴
  • cotton : n 科頓〈姓氏〉。n 【植物；植物學】草棉；棉，棉花；棉線；棉布，棉織品；〈美口〉脫脂棉。 upland [se...
  • boll : n. （棉、亞麻等的）圓莢，珠蒴。
  1. Gossypol, which is produced by gland cells in the leaves of cotton, is an attractant to the boll weevil.

    棉葉腺胞分泌的棉酚對棉鈴象鼻蟲是一種引誘劑。
  2. Farm demonstration work in the south helped to fight the cotton boll weevil.

    南部農場示範工作大大幫助了對棉花象鼻蟲的防治。
  3. He got born like the cotton in the boll or the rabbit in the pea patch.

    他就象棉桃里的棉花，象豌豆地里的野兔子一樣生下來了。
  4. The cotton grows on the plant as long hairs attached to the seeds inside the boll.

    棉花在植株上作為附著在種籽上的長茸毛在棉鈴里生長發育。
  5. Inspection and identification of cotton boll weevil anthonomus grandis boheman

    墨西哥棉鈴象鑒定方法
  6. Occurrence reason and integrated control measure of cotton boll worm

    抗蟲棉鈴病發生原因及綜合防治技術
  7. We find that bt cotton has different bt toxin protein content in different tissue and growing period using elisa method. leaves and flower petals contain more bt toxin protein than boll and bracteal leaves

    用elisa方法檢測bt棉殺蟲蛋白的含量，結果表明，棉葉和花瓣殺蟲蛋白含量最高，鈴和蕾次之。
  8. It ' s called the boll weevil because it destroys the cotton boll, the seed pod that contains the cotton

    之所以會被稱為棉子象鼻蟲，是因為這種昆蟲會毀壞棉花球，以及含有棉花的種子莢。
  9. Cholesterol oxidase is a type of protein that was found to have pest - resistant activity only years ago, its toxity to such sensitive pests as cotton boll weevil is euqivalent to previously found bt. endotoxins. the protein can also inhibit the growth and development of cotton boll worm

    膽固醇氧化酶對其敏感害蟲?鞘翅目的棉鈴象甲的毒殺能力與早期發現的bt .毒蛋白相當，對鱗翅目的一些害蟲如煙蚜夜蛾等也有較強的抑制其生長發育的作用。
  10. Effect of water stress on carbohydrate metabolism in cotton with varying boll size

    乾旱對棉花葉片碳水化合物代謝的影響
  11. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大
  12. Yield increasing effect of cotton boll when intercrop with vegetables

    棉菜間作條件下葉枝結鈴的增產效應
  13. Effects of potassium on boll development of different positions and influence of endogenous hormone mechanism in high quality cotton

    鉀營養對高品質棉不同部位棉鈴發育及內源激素影響的研究
  14. Effects of exogenous hormones on boll setting and fiber quality of high quality cotton

    縮節胺對高品質棉成鈴與品質的影響
  15. Study on superiority of yields and fiber quality of double - stem cotton and boll - setting mechanism

    雙稈棉產量品質優勢及其成鈴機理的研究
  16. The study results show that the boll number is the most important factor that determines the cotton lint yield per plant, the correlation coefficient and path coefficient of its number and lint yield per plant are respectively r = 0. 9111 and p = 0. 835 ; the correlation coefficient and path coefficient of boll weight and lint yield per plant are r = 0. 4596, p = 0. 435

    結果表明：鈴數是決定棉花單株皮棉產量的最主要的因素，它與單株皮棉產量的相關系數和通徑系數分別為0 . 9111和0 . 835 ，鈴重與單株皮棉產量的相關系數和通徑系數分別為0 . 4596和0 . 435 ，緊隨其後。
  17. Progress and prospects of the resistance to cotton boll worm and physiological action of bt transgenic cotton

    轉雙基因抗蟲棉對棉鈴蟲的抗性
  18. Analyzes of temperature and light characteristics for drip irrigation under plastic film cotton canopy at blossoming and boll - forming stages

    膜下滴灌條件下棉花花鈴期冠層內的溫光特徵分析
  19. Influences of boll shading on fiber color and fiber quality of colored cotton

    遮光對彩色棉的色澤及纖維品質的影響
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