Annual report of the North Carolina Agricultural Experiment Station (1917) (14793910353)

Identifier: annualreportofno1917nort (find matches)

Title: Annual report of the North Carolina Agricultural Experiment Station

Year: 1917 (1910s)

Authors: North Carolina Agricultural Experiment Station

Subjects: North Carolina Agricultural Experiment Station Agriculture

Publisher: (Raleigh, N.C.?) : Board of Agriculture

Contributing Library: State Library of North Carolina, Government & Heritage Library

Digitizing Sponsor: LYRASIS Members and Sloan Foundation

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an most of the other standard sorts, but this earli-ness is probably somewhat at the sacrifice of yield. The distance between the leaves on the stalk is somewhat greater onthese broad-leaf types than on the narrow-leaf sorts, the spacing beingparticularly wide in the case of the Adcock. It should be noticed thatany of these varieties will have the leaves more closely or wider spacedaccording to the nature of the soil, especially in respect to moisture con-ditions. With an abundance of moisture the spaces between the leaveswill be wider, and under droughty conditions the leaves will be crowdedmuch more closely together. This is a general principle in respect toall vegetation. SELECTION AND CARE OF SEED PLANTS In selecting seed plants close attention should be given to all thepoints that go to make up the ideal plant according to the standard The Bulletin 21 which the grower should have clearly in mind. Thethe richest part of the field are not necessarily the best for plants inpurposes.

Text Appearing After Image:

Fig. 2. Seed head of tobacco covered with a paper bag to prevent mixing. Pure strains of seed can be saved with certainty only by covering theseed head during the blossoming period so as to prevent mixing or cross- 22 The Bulletin ing with inferior plants or suckers by the passing of insects from flowerto flower on different plants. For this purpose an ordinary light-weightbut strong paper bag of about the 12-pound size, such as can be obtainedat any grocery store, is most practical. A day or two before the firstflowers open the bag should be tied about the head (Fig. 2) which firsthas been trimmed to a crow-foot. ; The bag should be loosened andraised up every few days as the seed head grows and the flower debrisshaken out. After all the flowers of the crow-foot are open and the seed podsbegin to swell, the bag may be removed if desired, but it will be neces-sary to keep all other flower branches and buds constantly picked off. In harvesting, only the fully matured and ripe pods shou

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1917

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