| 词汇 | corm |
| 释义 | corm noun[ C ] biology specializeduk /kɔːm/ us /kɔːrm/ the short underground growth of particular plants from which the new stem grows each year球茎 Parts of plants axil bark bilobed blade bulb caning cascara sagrada corolla endodermis inflorescence knot pistil rooty rosella seed coat seed pod sessile sting taproot tubule Portland sago is made from the corms of some of these plants. Some tubers are very bulb-like in appearance, as the corms of crocus and gladiolus. The flowers, when taken from the corm, should be lifted by a smart pull. These small corms may be taken off in the spring and sown thickly in drills. Whichever method is adopted, the crown of the corm should be left about four inches beneath the surface. Examples of cormcorm Damage, estimated as percentage corm tissue consumed by larvae, was similar among treatments. Thus, damage to the corm periphery is not a strong predictor of the more important damage to the central cylinder. These use not only different scoring systems, but evaluate damage on different parts of the banana corm. This method involves paring a band (10 cm wide and 0.5 cm deep) in the upper corm. Correlation, logistic and linear regression analyses showed weak to modest correlations between damage to the corm periphery and damage to the central cylinder. Moreover, damage to the corm periphery tended to show weak to modest relationships with damage to the corm interior. Damage to the central cylinder had a greater effect on plant size and yield loss than damage to the cortex or corm periphery. The petioles were cut 20-25 cm from the corm to remove the leaflamina. The diameter of the central cylinder and the total corm was measured for each cross section using a tape measure. As a result, most researchers prefer to assess damage to the banana corm. Each cormel usually has 5-10 buds and the corm 15-30 buds that have the potential to develop into new plants. These include monitoring adult numbers through trapping; estimating damage to the corm periphery; and measuring internal corm damage. In conclusion, damage estimates on the corm periphery are not useful parameters for assessing pest status. Damage to the corm periphery showed inconsistent relationships with reductions in plant size and yield. Later on, during storage, one or more buds may develop, usually at the proximal (head) end or from the corm if present. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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