Culture method of the sweet pepper [Capsicum annuum var. grossum] ('Kyousuzu' PMMoV resistant variety) to harvest both immature fruits and ripe fruits under semiforcing culture condition
2009
Kobayashi, N.(Chiba-ken. Agriculture and Forestry Research Center (Japan)) | Murai, M. | Furukawa, M.
The sweet pepper 'Kyousuzu' PMMoV-resistant variety was grown under semiforcing culture condition and both immature fruits and ripe fruits were harvested. The effect of growth stage of transplant seedlings and number of training shoots on their growth, yield, and profitability was studied. Results are follows. 1. The younger seedlings just after the primary branching appeared were transplanted. These younger seedlings showed better growth in early stage and the number of nodes per one training shoot was increased by 1.6 % compared to customary culture. 2. The number of training shoots were 4 per a sweet pepper in customary culture, however, 3-training-shoot pruning made their shoots thicken and better plant density during the harvest time. 3. When the young seedlings were transplanted and then pruned them 3 training shoots, yield of quality fruits (that of M size and L size fruits) increased by 15%. 4. The young seedling and 3-training-shoots cultivation method required higher seedling density and higher seedling cost, however, increase of income brought by higher yield was more than the extra seedling cost.
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