Marigolds , Tegetes erecta , have increased in popularity over the last thirty years and are grown in most country for pot , bedding and landscape purposes . But what about marigolds as cut flush ? They were very democratic 50 year ago , but harmonise to Ameriseed , these cut blossom , referred to as " Hedge Marigolds " , were no longer being improved or worthy for the excision flower market . Therefore , 20 age ago , they decide to started a raw nurture syllabus to produce various “ Tailor Made ” intermediate and tall smorgasbord of Marigolds suitable for the many unlike facets and employ worldwide . Over the years , Ameriseed has become one of the run Marigold breeding companies and has developed 53 special use marigold varieties for different climates and growing locations .
This Summer 2020 , AmeriSeed designed a trial to assess the hypothesis and opportunity for gelded blossom agriculturist and producers to grow unmarried stem marigold cut peak marigolds for vase and bouquet habit .
History marigold hack flowerFifty years ago marigolds were very popular as cut flower for vases and bouquets , explains AmeriSeed ’s merchandising director , Beam Sailern Senhuk . " These cut flush marigold varieties were referred to as “ Hedge Marigolds ” and most of the facts of life work was done by Bodger Seeds in Lompoc , California . Thirty five years ago Bodger ’s original ” Hedge Marigold ” varieties were introduced to Vietnam , Thailand , India and Indonesia where flowers were used for religious purposes include garland product . Twenty class ago , AmeriSeed decided that these older eccentric of general purpose “ Hedge Marigolds ” were no longer being improved or suitable for the cut flower markets worldwide so a young genteelness program was started to give rise various “ Tailor Made ” intermediate and magniloquent varieties of Marigolds suitable for the many unlike facets and expend worldwide . "
likely for vase and bouquet useAccording to Senhuk , the marigold has a lot of advantage for a cut prime grower . " Unlike the deletion flower helianthus , marigolds are branching allowing cultivator to harvest multiple shank per plant . On top of that , single stem Marigolds grow longer , stronger and uniform stems with a longer shelf life . "
" It is crucial to choose the good varieties of Marigold for this specialised type of production . " AmeriSeed ’s Summer trials indicate that Bali , Bindi , Sumati and White Swan are presently the most suitable varieties .
Growing techniques to produce single stem MarigoldsTo give a unspoilt impression of the cultivation of the marigold cut flowers , Senhuk explicate three different microscope stage of production below ; the nag degree , the transplanting point and the harvest time degree .
Plug Stage"Sow the Marigold seeds in 200 cell plug tray using peat moss media ( EC = 0.5 & pH scale = 6.5 – 7.0 ) and lightly cover seed with peat culture medium or vermiculite . Place seedling tray in germination elbow room for 3 - 5 days . After sprouting , move seedling tray outside and expose to full sunlight . 15 - 20 days after sowing , new industrial plant are quick to be transplanted into bed . Do not permit works to stretch or grow tall in the chew tray . "
Transplant Stage"Then , the plug should be transplant to a loamy soil ( pH 6.5 – 7.5 ) either for open playing area or greenhouse product with plant spacing between each industrial plant of 10 cm . The first week after transplant , practice only water for fertigation . 2 - 3 week after transplanting , use fertilizer N 50 ppm form atomic number 20 nitrate ( 15 - 0 - 0 ) to promote perpendicular growth . From third - 4th week , employ fertilizer N 100 ppm by N - atomic number 15 - K ratio : 2:1:3 and supplement with Calcium and Boron as a micro element mix 2 times per hebdomad . 3 weeks after transplant , cut back side branches every week as per exposure below . Lower parting and old leaves must be removed to increase air airing and forbid fungus kingdom . From 5th week to harvest , use fertiliser N 150 ppm by N - phosphorus - K ratio : 2:1:3 and supplement with Calcium - Boron as antecedently mentioned . "
cut down / pruning remotion of side subdivision and former leaf
- HarvestMost varieties are ready to harvest 40 – 45 day after transplanting . The ideal harvest home meter for undivided theme marigold is when blooms are about 80 % opened and still with a footling greenish colouration in the center . utilise a clean sharp tongue and cut about 2 column inch above the territory .
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