種(zhong)(zhong)(zhong)子(zi)發(fa)(fa)(fa)(fa)(fa)芽(ya)(ya)(ya)率(lv)是(shi)(shi)檢測(ce)(ce)種(zhong)(zhong)(zhong)子(zi)質量的(de)(de)(de)重(zhong)要指標之一(yi),在農業(ye)生產(chan)中(zhong)常用(yong)來計(ji)算(suan)種(zhong)(zhong)(zhong)子(zi)數(shu)量。如果(guo)一(yi)顆種(zhong)(zhong)(zhong)子(zi)發(fa)(fa)(fa)(fa)(fa)芽(ya)(ya)(ya),那(nei)就是(shi)(shi)100%。如果(guo)兩顆種(zhong)(zhong)(zhong)子(zi)發(fa)(fa)(fa)(fa)(fa)芽(ya)(ya)(ya),那(nei)就是(shi)(shi)100%。當(dang)然,種(zhong)(zhong)(zhong)子(zi)發(fa)(fa)(fa)(fa)(fa)芽(ya)(ya)(ya)越(yue)多,100%的(de)(de)(de)概率(lv)就越(yue)低(di)。發(fa)(fa)(fa)(fa)(fa)芽(ya)(ya)(ya)率(lv)是(shi)(shi)指直接從種(zhong)(zhong)(zhong)子(zi)中(zhong)發(fa)(fa)(fa)(fa)(fa)出的(de)(de)(de)芽(ya)(ya)(ya),二次培養后不(bu)計(ji)算(suan),因(yin)此發(fa)(fa)(fa)(fa)(fa)芽(ya)(ya)(ya)率(lv)不(bu)超過100%。發(fa)(fa)(fa)(fa)(fa)芽(ya)(ya)(ya)率(lv)是(shi)(shi)指在給定(ding)條件和時期內,發(fa)(fa)(fa)(fa)(fa)芽(ya)(ya)(ya)種(zhong)(zhong)(zhong)子(zi)占(zhan)種(zhong)(zhong)(zhong)子(zi)總(zong)數(shu)的(de)(de)(de)百分比。它用(yong)于測(ce)(ce)量種(zhong)(zhong)(zhong)子(zi)的(de)(de)(de)發(fa)(fa)(fa)(fa)(fa)芽(ya)(ya)(ya)能力(li),可供確(que)定(ding)播種(zhong)(zhong)(zhong)量時參考(kao)。在測(ce)(ce)定(ding)種(zhong)(zhong)(zhong)子(zi)發(fa)(fa)(fa)(fa)(fa)芽(ya)(ya)(ya)率(lv)的(de)(de)(de)同(tong)時,還(huan)應測(ce)(ce)定(ding)種(zhong)(zhong)(zhong)子(zi)的(de)(de)(de)發(fa)(fa)(fa)(fa)(fa)芽(ya)(ya)(ya)勢(shi),以便合理(li)、準確(que)地確(que)定(ding)單位面(mian)積的(de)(de)(de)播種(zhong)(zhong)(zhong)量和播種(zhong)(zhong)(zhong)深度,從而達到保苗的(de)(de)(de)目的(de)(de)(de)。

種子發芽箱可(ke)以在不(bu)同(tong)地區(qu)的(de)(de)不(bu)同(tong)季節使(shi)用(yong)不(bu)同(tong)的(de)(de)種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi),在恒溫下快速發(fa)(fa)(fa)芽(ya)。由(you)于恒溫的(de)(de)作用(yong),種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)的(de)(de)蛋白酶等(deng)化學(xue)物質能夠(gou)迅速分(fen)解(jie)反應,避(bi)免了溫差出(chu)芽(ya)造成的(de)(de)能量(liang)損失,使(shi)種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)出(chu)芽(ya)后(hou)具有較(jiao)強的(de)(de)抗病能力,提高了幼苗的(de)(de)免疫能力,縮短了種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)的(de)(de)發(fa)(fa)(fa)芽(ya)時間。發(fa)(fa)(fa)芽(ya)箱(xiang)的(de)(de)應用(yong)可(ke)以幫助人們更(geng)好地掌握種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)發(fa)(fa)(fa)芽(ya)的(de)(de)條件,避(bi)免條件的(de)(de)影響,造成腐爛和(he)(he)延遲(chi)耕作,同(tong)時,種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)發(fa)(fa)(fa)芽(ya)箱(xiang)會(hui)促(cu)進發(fa)(fa)(fa)芽(ya)和(he)(he)播(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)時間是種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)發(fa)(fa)(fa)芽(ya)、發(fa)(fa)(fa)芽(ya)、種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)育種(zhong)(zhong)(zhong)(zhong)(zhong)、,恒溫育種(zhong)(zhong)(zhong)(zhong)(zhong)和(he)(he)種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)發(fa)(fa)(fa)芽(ya)率(lv)檢測(ce)等(deng)農業上的(de)(de)理想設備。
種(zhong)子發芽箱是(shi)用于培(pei)養(yang)種(zhong)子時(shi)的(de)培(pei)養(yang)箱,可(ke)以(yi)人工設置種(zhong)子發芽電纜,需要合適的(de)溫度、濕度、光照等參數,所以(yi)它是(shi)一(yi)種(zhong)實驗(yan)室儀器。在植(zhi)物生長(chang)(chang)過(guo)程(cheng)中,適當的(de)環(huan)境(jing)可(ke)以(yi)使植(zhi)物健康(kang)快速(su)地生長(chang)(chang)。環(huan)境(jing)中的(de)所有因素(su)(su)都(dou)相互影(ying)響(xiang)和促進(jin)。然而,環(huan)境(jing)中的(de)這些因素(su)(su)是(shi)可(ke)變(bian)的(de),難以(yi)調(diao)節,及時(shi)調(diao)節極為(wei)不便。因為(wei)一(yi)些研究帶來了巨大的(de)不變(bian)性(xing)(xing),正是(shi)因為(wei)如(ru)此,各(ge)機構加大了研究力度,精(jing)密(mi)種(zhong)子發芽箱等應運而生。這些儀器解決了環(huan)境(jing)因素(su)(su)的(de)不適應性(xing)(xing),方便人們進(jin)行試驗(yan)和種(zhong)子發芽。

然(ran)而,當使(shi)(shi)用(yong)(yong)種(zhong)子(zi)發芽箱(xiang)進行(xing)測(ce)試時,情況并(bing)非(fei)如(ru)此。在使(shi)(shi)用(yong)(yong)過(guo)(guo)程中,人們經常會出現(xian)很(hen)多(duo)錯誤,主要體現(xian)在以下(xia)幾個(ge)方面(mian):雖(sui)然(ran)每個(ge)實(shi)驗段的(de)(de)(de)(de)(de)運行(xing)時間(jian)、溫(wen)(wen)(wen)度(du)(du)、濕度(du)(du)和光(guang)(guang)照值可以任意設置。但(dan)箱(xiang)中各層(ceng)的(de)(de)(de)(de)(de)溫(wen)(wen)(wen)差仍然(ran)有些,不(bu)(bu)同層(ceng)次、不(bu)(bu)同區(qu)域的(de)(de)(de)(de)(de)溫(wen)(wen)(wen)差狀態仍然(ran)存在。同一(yi)層(ceng)的(de)(de)(de)(de)(de)內(nei)(nei)外溫(wen)(wen)(wen)度(du)(du)也有差異。體積(ji)較大的(de)(de)(de)(de)(de)培(pei)養(yang)(yang)箱(xiang)內(nei)(nei)外溫(wen)(wen)(wen)差更大。因(yin)此,我們希(xi)望在使(shi)(shi)用(yong)(yong)它時特(te)別(bie)注意這(zhe)個(ge)問題。所以在使(shi)(shi)用(yong)(yong)過(guo)(guo)程中可以先用(yong)(yong)溫(wen)(wen)(wen)度(du)(du)計測(ce)量(liang),發現(xian)精密種(zhong)子(zi)發芽箱(xiang)頂(ding)層(ceng)的(de)(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)(du)不(bu)(bu)是最高的(de)(de)(de)(de)(de),中間(jian)的(de)(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)(du)是最高的(de)(de)(de)(de)(de);智能人工氣候培(pei)養(yang)(yang)箱(xiang)中的(de)(de)(de)(de)(de)實(shi)際溫(wen)(wen)(wen)度(du)(du)與(yu)盒子(zi)的(de)(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)(du)不(bu)(bu)同。通常情況下(xia),體內(nei)(nei)的(de)(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)(du)高于盒子(zi)外的(de)(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)(du)。主要原因(yin)是內(nei)(nei)部植物(wu)的(de)(de)(de)(de)(de)呼吸和光(guang)(guang)合作(zuo)用(yong)(yong);當你使(shi)(shi)用(yong)(yong)智能氣候培(pei)養(yang)(yang)箱(xiang)時,你是根據(ju)需要發芽的(de)(de)(de)(de)(de)種(zhong)子(zi)數量(liang)來衡量(liang)的(de)(de)(de)(de)(de),不(bu)(bu)一(yi)定(ding)越(yue)大越(yue)好。