Seed-flax variety CI. 2446 was planted at four different dates (Oct. 5, Oct 20, Nov. 5, Nov. 20) and four different densities (2250, 1800, 1350 and 900 plants/m^2) to study the effects on the fiber cell development at different growing stages. All traits, except the phloem thickness, of fiber cell showed no significant difference among different sowing densities.

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Research: pH4.0, enzyme concentration of 5g.L^(-1), temperature 40℃, time 96h enzymatic conditions, can remove the cotton stalk bast lignin 43.6% pectin 25.1%, the preparation of cotton stalk phloem technology fiber fineness 3.35~3.65tex; the average length of 84.5mm.

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They are common in many situations, for example as gland cells and epidermal cells, and in xylem and phloem parenchyma, where they are concerned with active loading and unloading of vessels and sieve tubes.

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In situ hybridization indicated that it was mostly expressed in parenchyma before BPH feeding, while fed by BPH, this gene was mainly increased in phloem, but down-regulated in parenchyma.

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Histological examination of the root development in melon hypocotylcuttings revealed that phloem parenchyma cells in the hypocotyl cuttings startedto divide and initiated the adventitious root development after 48th hrs of aninduction pretreatment.

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Asian citrus psyllids and in the Citrus Aphis citricola both the phloem feeding insects, but insect feeding behavior of two significant differences, in addition to two kinds of insects share a common EPG wave (A wave, B wave, C wave, E1 wave, E2 wave, G wave), the wave of Aphis citricola appeared in the path of many pd wave, pd wave is aphids in plant cells in the epidermis during exploratory puncture the cell membrane caused by feeding, which kind of contact information on the intracellular selection in the aphid host plant play an important role in the process.

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Annual or perennial herbs, or shrubs, rarely trees to 30 m tall, often with epidermal oil cells, usually with internal phloem.

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But the very end of such a network, the leaf, has a different architecture. Unlike the xylem and phloem, the veins in a leaf cross-link and loop.

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Dynamic changes of proteins in phloem from different nodes in 5 hybrid seedlings (Jonathan×Golden Delicious) were analyzed with SDS-polyacrylamide gel electrophoresis.

利用聚丙烯酰胺凝膠電泳技術(shù)分析了5株蘋果雜種實(shí)生樹韌皮部中蛋白質(zhì)含量隨節(jié)位升高的動(dòng)態(tài)變化全国最大A片视频网。